Stenner Pumps

Stenner Genuine Repair Parts, Pump Tubes, Accessories & System Components

Stenner offers an extensive selection of genuine replacement parts, repair kits, accessories, and system components designed to maximize pump performance, simplify maintenance, and extend equipment life. Available for Classic Series, Econ Series, S Series, S Variable Series, S10P, S128, and other Stenner product lines, these components provide direct-fit replacement options and help maintain factory performance specifications. The product offering includes replacement pump tubes, QuickPro® and S-Series pump heads, pump head service kits, motors, gear case service kits, feed rate controls, water meters, flow switches, PCM proportional injection controllers, tubing, injection fittings, check valves, suction strainers, flow indicators, mounting accessories, Modbus communication kits, tank mounting hardware, and many additional service parts. Stenner also offers specialized accessories such as dry-contact water meters, vertical positive displacement water meters for low-flow applications, flow switches for PVC and copper piping, and proportional injection components for custom water treatment systems. Genuine Stenner replacement parts help ensure proper system operation, reliable chemical feed performance, simplified service, and long-term compatibility across a wide range of water treatment, industrial, agricultural, and commercial chemical injection applications.

Stenner Classic Series Electromechanical Peristaltic Metering Pumps

For more than 69 years, the Stenner Classic Series has been a trusted solution for water treatment professionals, installers, and facility operators seeking reliable chemical injection. Available in single-head and double-head configurations, with either fixed or adjustable output, the Classic Series offers exceptional flexibility for a wide range of water treatment and chemical feed applications.

Designed around Stenner's proven peristaltic pump technology, the Classic Series is easy to install, maintain, and even convert between configurations without purchasing an entirely new pump. Pumps can inject directly into a water line and can be activated by pressure switches, controllers, or proportional injection systems.

Available Configurations

• Single Head Adjustable Output
• Single Head Fixed Output
• Double Head Adjustable Output
• Double Head Fixed Output

Key Features

• Self-priming operation up to 25 feet
• Pumps off-gassing solutions
• Can run dry without damage
• Patented QuickPro® pump head
• Continuous-duty operation
• Output reproducibility of ±2%
• No tube lubrication required
• Installation accessories included

Performance Highlights

• Up to 85 GPD for single-head models at 25 PSI
• Up to 170 GPD for double-head models at 25 PSI
• Maximum working pressures up to 100 PSI
• Maximum operating temperature of 125°F
• Handles viscosities up to 1500 centipoise

Typical Applications

• Drinking water treatment
• Well water disinfection
• pH adjustment
• Irrigation systems
• Poultry and livestock operations
• Proportional injection systems
• Commercial and industrial chemical feed

With multiple output options, field-serviceable components, and a long-standing reputation for reliability, the Stenner Classic Series continues to be one of the industry's most versatile peristaltic metering pump platforms.

Stenner Econ FP Series Flow-Activated Peristaltic Pumps

The Stenner Econ FP Series is a flow-activated peristaltic metering pump designed for light-duty water treatment and chemical injection applications. Built for residential private water wells, drinking water disinfection, pH adjustment, and water conditioning systems, the Econ FP combines simple programming, reliable flow-based operation, and easy maintenance in a compact, wall-mountable design.

The Econ FP can be activated by a water meter, control valve, flow switch, or other flow-responsive control equipment. The pump accepts either a dry contact signal or a 12-24 VAC/VDC signal and operates at a programmable speed or run time based on the selected operating mode. A six-button control panel with backlit LCD display makes setup straightforward, while keypad lockout functionality helps prevent unauthorized adjustments.

Key Features

• Flow-activated peristaltic metering pump
• Up to 30 GPD output at 80 PSI
• Three operating modes: Seconds, Flow Switch, and Auxiliary
• Adjustable output from 10% to 100% in 1% increments
• 10:1 turndown capability
• Six-button keypad with backlit LCD display
• Automatic keypad lock after one minute of inactivity
• Enclosed weather-resistant housing
• cULus listed for indoor and outdoor use
• Available in 120V, 230V, and 24VDC configurations
• Continuous-duty operation
• Wall-mountable design

Three Flexible Operating Modes

The Econ FP provides application flexibility through three user-selectable operating modes:

Seconds Mode

• Receives a dry contact signal from a water meter or control valve
• Runs for a programmable amount of time after receiving a signal
• Adjustable from 10% to 100% in 1% increments

Flow Switch Mode

• Accepts a dry contact signal from a two-wire flow switch
• Runs at the programmed speed while flow is detected

Auxiliary Mode

• Accepts a 12-24 VAC/VDC signal from flow-responsive control equipment
• Operates at the programmed speed while the signal is present

Simplified Maintenance

The Econ FP features Stenner's patented quick-release pump head, allowing pump tube replacement without tools. Combined with a solid one-piece tube design and enclosed housing, the pump is engineered to simplify routine service and minimize downtime.

Available System Configurations

Meter System

• Pre-assembled on a heavy-duty panel
• Includes a 3/4" or 1" dry contact water meter
• Features a flow indicator and integrated junction box
• Designed to reduce installation time

Tank System

• Available with 7.5, 15, or 30-gallon tanks
• UV gray option for outdoor installations
• Translucent white option for indoor applications
• Provides a turnkey chemical feed solution

Typical Applications

• Drinking water disinfection
• Residential well water treatment
• pH adjustment
• Water conditioning systems
• Chemical injection systems
• Homes and farm water systems

With flow-based activation, flexible operating modes, easy programming, and tool-free maintenance, the Stenner Econ FP Series delivers a dependable and cost-effective solution for light-duty chemical metering and water treatment applications.

Stenner Econ FX & Econ VX Peristaltic Metering Pumps

The Stenner Econ FX and Econ VX Series are compact peristaltic metering pumps designed for light-duty chemical injection, fluid transfer, and sampling applications. Built with a totally enclosed housing and reliable peristaltic pumping technology, both models provide accurate chemical feed in a wide range of applications including water treatment, swimming pools, food and beverage processing, metal finishing, irrigation, and horticulture.

Designed for indoor and outdoor use, the Econ Series combines simple installation, low maintenance requirements, and dependable performance in a compact wall-mountable package.

Econ FX vs. Econ VX

Both pumps share the same rugged design, flow capabilities, and maintenance-friendly construction. The primary difference is how output is controlled:

Econ VX – Variable Speed

• Adjustable potentiometer for output control
• Adjustable feed rate to match application requirements
• Available in six output ranges from 0.8 to 38.8 GPD
• Ideal when feed rates require adjustment or fine-tuning

Econ FX – Fixed Speed

• No output adjustment
• Operates at full speed whenever power is applied
• Simplified operation for applications requiring a consistent feed rate
• Maximum output equivalent to the corresponding VX model

Key Features

• Peristaltic design for reliable chemical metering
• Totally enclosed housing
• Self-priming up to 25 feet
• Can run dry without damage
• Pumps off-gassing solutions
• Tool-free tube replacement
• Patented quick-release pump head
• Continuous-duty operation
• Indoor/outdoor rated construction
• cULus listed and CE available
• Available in 120V, 230V, and 24VDC models
• Output reproducibility of ±5%

System Options

For faster installation and turnkey chemical feed systems, both pump series are available pre-mounted on solution tanks.

Tank System Options

• 7.5-gallon tank
• 15-gallon tank
• 30-gallon tank
• UV gray tanks for outdoor installations
• White tanks for indoor applications

Performance Specifications

• Maximum output up to 38.8 GPD
• Working pressures up to 80 PSI
• Maximum operating temperature of 104°F
• Maximum suction lift of 25 feet
• Maximum viscosity of 100 centipoise

Common Applications

• Water treatment
• Chemical injection
• Swimming pools
• Food and beverage processing
• Irrigation systems
• Horticulture
• Metal finishing
• Fluid transfer and sampling

The Stenner Econ FX and VX Series provide a simple, cost-effective solution for light-duty metering applications, combining easy maintenance, flexible installation options, and dependable peristaltic pump performance.

Stenner Econ Integrator™ Flow-Activated Proportional Injection Pumps

The Stenner Econ Integrator™ Series is a flow-activated peristaltic metering pump designed for proportional chemical injection applications where accurate dosing and signal integration are critical. Combining three operating modes, adjustable output control, and a built-in repeater relay, the Econ Integrator provides a flexible solution for livestock water treatment, agricultural operations, water conditioning, disinfectant injection, and pH adjustment systems.

Unlike traditional chemical feed pumps, the Econ Integrator can receive a signal from a water meter, flow switch, control valve, or other flow-responsive equipment while simultaneously repeating that signal to another device. This allows multiple pumps or controllers to operate from a single water meter without interrupting water consumption monitoring.

Key Features

• Flow-activated proportional injection pump
• Built-in repeater relay with dry contact output
• Up to 30 GPD output at 80 PSI
• Three operating modes
• Adjustable output from 10% to 100% in 1% increments
• 10:1 turndown capability
• Six-button control pad with backlit LCD display
• Standby mode for easier service and maintenance
• Patented quick-release pump head
• Tool-free tube replacement
• Indoor/outdoor rated design
• Available in 120V, 230V, and 24VDC configurations
• Continuous-duty brushless motor

Built-In Repeater Relay

The defining feature of the Econ Integrator is its internal repeater relay. The relay outputs the same dry contact signal received by the pump, allowing one water meter to activate multiple pumps or communicate simultaneously with monitoring and control equipment.

This feature is especially valuable for livestock and poultry operations where water consumption data is used as an indicator of animal health. The repeater relay allows a flow meter signal to reach both the chemical injection pump and the house controller without requiring an additional meter.

Three Operating Modes

Seconds Mode

• Accepts a dry contact signal
• Runs for a programmable amount of time
• Adjustable from 10% to 100% in 1% increments

Flow Switch Mode

• Accepts a two-wire dry contact flow switch
• Runs at a programmed speed while flow is detected

Auxiliary Mode

• Accepts a 12-24 VAC/VDC signal from compatible control equipment
• Runs at a programmed speed while the signal is present

Available System Configurations

Meter System

• Includes a dry contact 3/4" or 1" water meter
• Mounted on a heavy-duty panel
• Designed for fast installation and turnkey operation

Tank System

• Available with 7.5, 15, or 30-gallon tanks
• UV gray tanks for outdoor installations
• White tanks for indoor applications

Typical Applications

• Livestock water treatment
• Poultry operations
• Drinking water disinfection
• pH adjustment
• Agricultural chemical injection
• Water conditioning systems

With accurate proportional injection, integrated signal repeating capability, and installer-friendly operation, the Stenner Econ Integrator™ Series provides a reliable solution for flow-based chemical feed applications where dosing accuracy and system integration are equally important.

Stenner Econ LD Low-Dose Peristaltic Metering Pumps

The Stenner Econ LD Series is a compact variable-speed peristaltic metering pump designed for applications that require highly accurate low-volume chemical injection. Built around a brushless motor, microprocessor technology, and adjustable output control, the Econ LD delivers precise dosing performance for water treatment, industrial processes, and specialty chemical feed applications.

Engineered for reliability and accuracy, the Econ LD can inject as little as 0.04 oz/hr while maintaining a wide 50:1 turndown ratio. This broad adjustment range allows a single pump to cover a variety of low-flow dosing requirements while providing consistent chemical feed rates across changing operating conditions.

Key Features

• Variable-speed peristaltic metering pump
• Accurate injection as low as 0.04 oz/hr
• Maximum output up to 50.7 oz/hr
• Adjustable potentiometer control
• 50:1 turndown ratio
• Brushless motor design
• Continuous-duty operation
• Patented quick-release pump head
• Tool-free tube replacement
• Self-priming up to 25 feet
• Can run dry without damage
• Indoor/outdoor rated construction
• Available in 120V, 230V, and 24VDC models

Designed for Precision Metering

The Econ LD is specifically designed for applications where small chemical feed rates are critical. Microprocessor-controlled operation and adjustable output allow users to fine-tune dosing rates while maintaining reproducibility of ±2%.

The adjustable potentiometer provides simple flow rate control, making it easy to match pump output to application requirements without complex programming.

Reliable Peristaltic Pump Performance

The Econ LD incorporates many of the advantages associated with peristaltic pump technology, including:

• Self-priming operation
• No loss of prime or vapor lock
• Capable of pumping off-gassing solutions
• Ability to run dry
• Anti-siphon assistance through a 3-point roller design
• No tube lubrication required

Tank System Options

The Econ LD is available as a preassembled Tank System for simplified installation.

Available tank sizes include:

• 7.5 gallons
• 15 gallons
• 30 gallons

Customers can choose UV gray tanks for outdoor installations or white tanks for indoor applications.

Typical Applications

• Flocculant injection
• Coagulant feed systems
• Anti-scalant dosing
• Sanitizer injection
• Low-volume chemical metering
• Water treatment applications
• Specialty chemical feed systems

Combining exceptional low-flow accuracy, adjustable output, and dependable peristaltic pump technology, the Stenner Econ LD Series provides a compact and reliable solution for precision chemical injection applications.

Stenner Econ Stennicator® Water Meter Activated Medicator

The Stenner Econ Stennicator® Series is a water meter activated peristaltic medicator designed specifically for livestock and poultry water treatment applications. Operating at a fixed 1:128 injection ratio, the Stennicator delivers 1 ounce of product per gallon of water directly into the water line, providing accurate chemical dosing without the flow restrictions commonly associated with traditional water-driven medicators.

Designed for animal health and water quality management, the Stennicator utilizes a pulsing dry contact water meter to automatically activate chemical injection. A built-in repeater relay allows the incoming water meter signal to be sent simultaneously to a controller, additional Stennicator pump, or other compatible device, helping simplify system integration and water consumption monitoring.

Key Features

• Fixed 1:128 injection ratio
• Water meter activated operation
• Built-in signal repeater relay
• Up to 2.7 oz/min output at 80 PSI
• Compatible with 1 PPG, 10 PPG, and 1 PPL pulse settings
• Fixed output dosing accuracy
• Brushless motor design
• Continuous-duty operation
• Indoor/outdoor rated construction
• Self-priming up to 25 feet
• Can run dry without damage
• Patented quick-release pump head
• Tool-free tube replacement
• Available in 120V, 230V, and 24VDC configurations

Advantages Over Traditional Medicators

Unlike water-driven medicators, the Stennicator injects directly into the water line instead of using bypass systems that can restrict water flow. The peristaltic design also isolates the solution within the tubing path, keeping chemicals away from moving components.

Key benefits include:

• No water flow restriction or pressure loss
• Unaffected by scale, solids, or poor water quality
• Compatible with disinfectants, acids, and livestock treatment solutions
• No stock solution contact with moving pump parts
• Reliable operation in demanding agricultural environments

Built-In Repeater Relay

The integrated repeater relay allows one water meter signal to serve multiple functions. The relay repeats the incoming meter pulse to another Stennicator, controller, or monitoring device, allowing water consumption tracking and chemical injection to occur simultaneously.

For higher flow requirements, two Stennicators can be wired in series as a duplex system, allowing effective injection rates of 1:256 while maintaining accurate dosing.

System Options

Meter System

• Available with one or two Stennicator pumps
• Includes a 3/4" or 1" dry contact water meter
• All components mounted on a heavy-duty panel

Tank System

• Available with 7.5, 15, or 30-gallon tanks
• UV gray tanks for outdoor installations
• White tanks for indoor applications

Typical Applications

• Poultry water treatment
• Livestock water treatment
• Waterline disinfection
• Acid injection
• Water quality management
• Animal health programs

Combining proportional chemical injection, direct waterline treatment, and advanced signal integration, the Stenner Econ Stennicator® Series delivers a dependable solution for livestock and poultry operations requiring accurate water treatment and uninterrupted water monitoring.

Stenner Econ Timer Series Programmable Chemical Injection Pumps

The Stenner Econ Timer Series is a family of programmable peristaltic metering pumps designed for automatic chemical injection in light-duty applications. With a built-in 24-hour timer, 7-day scheduling capability, and compact wall-mountable design, the Econ Timer Series provides reliable dosing without the need for external controls or flow-activated equipment.

The series includes the Econ T, Econ TD Electric-Powered, and Econ TD Battery-Powered models, allowing users to select the right solution for water treatment, odor control, drain maintenance, grease traps, cooling towers, and other timed injection applications.

Programmable Dosing Control

The integrated timer allows users to create up to 24 independent on/off events within a 7-day period. Each event can be programmed in hour and minute increments, with run times ranging from 1 minute to 23 hours and 59 minutes. An LCD display shows the current day, time, operating mode, and programmed events, while a battery backup preserves settings during power interruptions.

Econ T

Designed for general chemical feed and water treatment applications, the Econ T offers:

• Up to 21.7 GPD at 80 PSI
• Up to 1.92 oz/min output
• Santoprene® pump tube
• Indoor/outdoor installation
• cULus, NSF 61, and NSF 372 listings
• NSF 50 certification on 25 PSI models
• Available in 120V, 230V, and 24VDC models

Econ TD & Econ TD Battery-Powered

The Econ TD models are intended for low-pressure applications up to 5 PSI, including drain line maintenance, grease trap treatment, and odor control.

Key features include:

• Outputs up to 3.18 oz/min (electric) and 4.0 oz/min (battery)
• FKM tube option designed for d-Limonene
• Battery-powered model available where power is unavailable
• Programmable 24-hour, 7-day dosing schedules

Common Features

• Programmable timer operation
• Patented quick-release pump head
• Tool-free tube replacement
• Self-priming performance
• Ability to run dry
• Enclosed housing design
• Optional mounting accessories

Typical Applications

• Cooling tower biocide feed
• Water fountain sanitation
• Commercial pool chemical treatment
• Drain line maintenance
• Grease trap treatment
• Odor control
• Enzyme, sanitizer, and scale-control injection

The Stenner Econ Timer Series offers flexible scheduling, reliable peristaltic pump performance, and simple maintenance for a wide variety of timed chemical injection applications.

Stenner Proportional Injection Systems

The Stenner Proportional Injection System is a pre-assembled chemical feed package designed to dose solution in direct proportion to water usage. By measuring water volume through a dry contact water meter and automatically adjusting chemical injection accordingly, the system helps maintain accurate treatment across varying flow conditions.

Factory-assembled on a heavy-duty mounting panel, the system combines a Classic Series Single Head Fixed Output Pump, a PCM (Pump Control Module), and a 3/4" dry contact water meter into one convenient package. All major components are pre-mounted for faster installation, simplified service, and a clean, organized appearance.

How the System Works

The water meter monitors system flow and sends a signal to the PCM controller. The PCM then activates the Classic Series metering pump based on water volume, ensuring chemical injection remains proportional to actual water usage.

This approach helps provide consistent treatment across changing flow rates and varying water demands.

Complete Pre-Assembled Package

Each system includes:

• Classic Series Single Head Fixed Output Pump
• PCM (Pump Control Module)
• 3/4" dry contact water meter
• Flow indicator to confirm chemical feed
• Spin-down filter with 30 and 100 mesh screens
• PVC unions for easy installation and removal
• Heavy-duty mounting panel
• Cord and wire management compartment
• Wall mounting bracket

Key Features

• Proportional dosing based on water volume
• Factory pre-assembled system
• Water meter activated operation
• Flow indicator to verify injection
• Enclosed wiring compartment
• Easy-access service design
• Lead-free plastic water meter
• Available with 1, 2, or 4 pulses-per-gallon meters
• Suitable for varying flow applications

Typical Applications

• Well water treatment systems
• Irrigation systems
• Poultry and livestock facilities
• Variable-speed well pump systems
• Systems with fluctuating water demand
• Municipal and commercial water treatment

Proven Classic Series Performance

The system utilizes Stenner's Classic Series fixed output pump, offering:

• Self-priming operation
• Continuous-duty performance
• Up to 100 PSI operating pressure
• 25-foot maximum suction lift
• ±2% reproducibility
• Ability to pump off-gassing solutions
• Tool-free tube replacement

By combining proportional chemical injection, factory-mounted components, and dependable Classic Series pump technology, the Stenner Proportional Injection System provides an efficient solution for water treatment applications where chemical feed must accurately follow water usage.

Stenner S Series Smart Peristaltic Metering Pumps

The Stenner S Series is an advanced, programmable peristaltic metering pump platform designed for demanding water treatment, industrial process, manufacturing, and commercial chemical injection applications. Built with smart controls, multiple operating modes, integrated diagnostics, and process control compatibility, the S Series provides precise chemical dosing while delivering the monitoring and automation capabilities modern systems require.

Available in the S30, S40, and S50 models, the S Series offers outputs up to 315 GPD at 25 PSI and 125 GPD at 100 PSI, along with a 100:1 turndown ratio for exceptional dosing flexibility.

Smart Control and System Integration

The S Series interfaces directly with process control systems and supports:

• 4-20 mA input and output
• 0-10 VDC input
• Modbus RTU over RS-485 capability
• Hall Effect water meter inputs
• Pulse inputs
• Three programmable output relays
• Backup pump operation

An OLED display and digital keypad simplify setup, monitoring, and calibration while password protection helps prevent unauthorized changes to programming.

Nine Operating Modes

The S Series can be configured to match a wide variety of applications:

• 4-20mA scalable/invertible
• 0-10VDC scalable/invertible
• Manual
• Timer (7-day/24-event)
• Cycle Timer
• Pulse
• Hall Effect
• PPM Feed Flow Switch
• PPM Feed Hall Effect

Advanced Monitoring and Diagnostics

A key advantage of the S Series is its built-in pump status monitoring. The OLED display and programmable relays can provide alerts for numerous pump conditions, including:

• Tube Leak Detection
• Tube Change Alerts
• High Signal
• Low Signal
• High Flow
• Low Flow
• Drive Fault
• Standby
• Mode Change
• Signal Overrun
• Backup Pump Transfer

The integrated leak detection system can trigger alarms, stop pump operation, or automatically switch operation to a backup pump.

Built for Reliability

The S Series combines advanced controls with proven peristaltic pump technology.

Key features include:

• Brushless DC motor
• NEMA 4X enclosed housing
• Continuous-duty operation
• Self-priming capability
• Can run dry
• Handles off-gassing solutions
• No vapor lock
• Simple tube replacement
• 25-foot suction lift
• ±2% reproducibility
• 2-year warranty

Typical Applications

• Wastewater treatment
• Cooling tower chemical feed
• Manufacturing process additives
• Water treatment systems
• Industrial chemical injection
• Municipal treatment systems
• Commercial process control applications

With intelligent controls, advanced diagnostics, process automation capabilities, and durable construction, the Stenner S Series provides a powerful solution for facilities that require precision dosing and comprehensive system monitoring.

Stenner S Variable Series Peristaltic Metering Pumps

The Stenner S Variable Series combines the durability of the S Series platform with simple variable-speed operation. Designed for industrial, water treatment, wastewater, and commercial aquatic applications, these pumps provide reliable chemical injection while adding practical features like leak detection, backup pump capability, remote operation, and dedicated status relays.

Available in the S3V, S4V, and S5V models, the S Variable Series offers outputs up to 315 GPD at 25 PSI and 125 GPD at 100 PSI, with a 20:1 turndown ratio for precise flow rate adjustment.

Simple Variable Speed Control

Unlike fully programmable metering pumps, the S Variable Series utilizes a straightforward potentiometer for output adjustment. Pumps operate at the selected speed whenever power is applied or a standby signal is removed.

Key control features include:

• Adjustable potentiometer control
• 20:1 turndown ratio
• Continuous-duty operation
• Variable speed output adjustment
• Remote start/stop capability through standby input

Advanced Monitoring and Protection

The S Variable Series includes built-in monitoring features that provide both pump protection and operating visibility.

Leak Detection

• Factory-installed leak detection system
• Dedicated leak indicator relay
• Optional ability to continue operation after leak detection
• LED leak status indicator

Backup Pump Capability

• Automatic transfer to a backup pump
• Transfer occurs during leak conditions, power loss, or drive faults
• Supports critical chemical feed applications

Dedicated Output Relays

• Leak Detect relay
• Run verification relay
• Transfer relay for backup pump operation

LED Status Indicators

Four integrated LED indicators provide quick visual confirmation of pump status:

• Power
• Run/Fault
• Leak
• Standby/Off

These indicators simplify troubleshooting and system monitoring without requiring a separate controller or display.

Built for Demanding Applications

The S Variable Series incorporates the same rugged construction used throughout the S platform.

Key features include:

• Brushless DC motor with ball-bearing support
• NEMA 4X enclosed housing
• Indoor/outdoor rated design
• Self-priming operation
• Ability to run dry
• Handles off-gassing solutions
• No vapor lock or loss of prime
• Tool-free tube replacement
• ±2% reproducibility
• 2-year warranty

Available Models

• S3V: Up to 85 GPD
• S4V: Up to 150 GPD
• S5V: Up to 315 GPD

Typical Applications

• Water treatment systems
• Wastewater treatment
• Commercial swimming pools
• Cooling tower chemical feed
• Industrial process applications
• General chemical injection systems

By combining simple operation with advanced protection features, the Stenner S Variable Series provides a dependable solution for facilities that need reliable chemical feed without the complexity of a fully programmable control system.

Stenner S10P Series Flow-Activated Peristaltic Metering Pumps

The Stenner S10P Series is a robust flow-activated peristaltic metering pump designed for water treatment, well water applications, pH correction, disinfection, and other chemical injection systems that require dosing based on water flow. The pump accepts signals from water meters, control valves, flow switches, and other flow-responsive equipment, providing accurate and repeatable chemical feed in a durable, enclosed package.

With outputs up to 30 GPD at 100 PSI, leak detection, signal repeating capability, tube maintenance tracking, and multiple operating modes, the S10P Series combines the flexibility of a programmable pump with the reliability of Stenner's proven peristaltic technology.

Multiple Operating Modes

The S10P can be configured to match a wide variety of flow-activated applications:

10 PPG Mode

• Works with 10 PPG dry contact water meters
• Designed for process flows from 0.1 to 14.0 GPM
• Delivers steady solution distribution
• Adjustable from 50% to 100% output

Flow Switch Mode

• Accepts a dry contact from a two-wire flow switch
• Operates while flow is present
• Adjustable from 10% to 100% speed

Seconds Mode

• Accepts a dry contact pulse
• Runs for a programmed time per signal
• Adjustable from 0.1 to 60 seconds

Auxiliary Mode

• Accepts a 12-24 VAC/VDC signal
• Runs while the signal is received
• Adjustable from 10% to 100% speed

Advanced Monitoring Features

The S10P includes built-in monitoring and maintenance functions that help reduce downtime and simplify service.

Key functions include:

• Leak detection with dedicated relay
• Signal repeater for additional pumps or devices
• Fluid level input capability
• Tube life tracking
• Tube change reminders
• Pump run hour tracking
• Keypad lock function
• LCD display with status indicators

Key Features

• Flow-activated operation
• Up to 30 GPD output
• Operating pressure up to 100 PSI
• Brushless DC motor
• Indoor/outdoor rated housing
• Tool-free tube replacement
• Self-priming performance
• Can run dry
• Handles off-gassing solutions
• ±2% reproducibility
• 2-year warranty

Typical Applications

• Well water treatment
• Chlorination systems
• pH adjustment
• Water softener chemical feed
• Disinfection systems
• Water meter activated injection
• General water treatment applications

The Stenner S10P Series provides a reliable solution for applications requiring flow-based chemical dosing, combining flexible operating modes, leak protection, and maintenance monitoring in one compact pump platform.

Stenner S128 Series Proportional Medicator Pumps

The Stenner S128 Series is a flow-responsive peristaltic medicator designed to proportionally inject chemicals at a fixed 1:128 ratio, delivering 1 ounce of solution for every gallon of process water. Activated by a dry contact pulse water meter, the S128 automatically adjusts to changing water demand and provides accurate dosing for livestock water treatment, agricultural applications, and other proportional injection systems.

Unlike traditional medicators, the S128 uses a peristaltic pump design and automatically varies pump speed to maintain even chemical distribution, particularly at lower flow rates. The pump can inject into water systems with process flows up to 10 GPM while maintaining the target dosing ratio.

Flow-Responsive Proportional Injection

The S128 is designed to work with:

• 1 PPG water meters
• 10 PPG water meters
• 1 PPL water meters

The pump automatically changes between three operating speeds based on system flow rate, helping provide more consistent solution distribution across varying flow conditions.

Key Features

• Fixed 1:128 dosing ratio
• Up to 10 oz/min output
• Water meter activated operation
• Built-in signal repeater relay
• Leak detection with output relay
• Tube change timer and reminders
• Low-level tank input
• Remote standby input
• NEMA 4X enclosed housing
• Indoor/outdoor rated construction
• Brushless DC motor
• Continuous-duty operation
• 2-year warranty

Built-In Monitoring and Protection

The S128 incorporates several maintenance and protection features to help improve reliability and reduce downtime.

Leak Detection

• Detects solution inside the pump head
• Can be configured to stop or continue pump operation
• Activates a dedicated relay output

Tube Change Timer

• Programmable tube replacement reminder
• Adjustable in 100-hour increments
• Dedicated LED indication when service is required

Signal Repeater Relay

• Repeats incoming water meter pulses
• Allows one meter to operate the pump and a controller simultaneously
• Eliminates the need for a second water meter in many applications

Dedicated Inputs and Outputs

The pump can receive signals from:

• Dry contact pulse water meters
• Low-level tank sensors
• Remote standby controls

Built-in relay outputs support:

• Signal repeating
• Leak detection
• Drive fault indication
• Low-level indication

Typical Applications

• Poultry water treatment
• Livestock health programs
• Agricultural chemical injection
• Waterline disinfection
• Proportional medicating systems

With flow-responsive dosing, integrated monitoring features, and reliable peristaltic pump technology, the Stenner S128 Series provides accurate proportional injection for demanding agricultural and water treatment applications.

Stenner S420 Series 4-20mA Controlled Peristaltic Metering Pumps

The Stenner S420 Series is a variable-speed peristaltic metering pump designed for applications requiring chemical dosing proportional to a 4-20mA analog control signal. By automatically adjusting pump output in response to process control equipment, the S420 provides accurate chemical feed for water treatment, wastewater treatment, industrial processes, and commercial aquatic systems.

Available in S34, S44, and S54 models, the S420 Series delivers outputs up to 315 GPD at 25 PSI and 125 GPD at 100 PSI, making it suitable for both low-volume and higher-capacity metering applications.

4-20mA Controlled Chemical Injection

The S420 is designed to follow an incoming 4-20mA signal from process control equipment such as:

• pH controllers
• ORP controllers
• Water treatment control systems
• Wastewater treatment monitors
• Industrial process control equipment

The pump's response to the 20mA signal can be scaled from 25% to 100% of maximum output, allowing operators to match pump performance to application requirements.

Manual or Automated Operation

The S420 offers two operating modes:

4-20mA Mode

• Output automatically adjusts based on the incoming signal
• User-selectable scaling from 25% to 100%

Manual Mode

• Adjustable output from 5% to 100%
• Simple potentiometer adjustment

Advanced Monitoring and Protection

To help support critical chemical feed applications, the S420 includes several built-in protection features:

• Leak detection with dedicated output relay
• Backup pump capability
• Remote standby input
• Run verification relay
• LED status indicators
• Drive fault indication

If configured with a backup pump, the primary unit can automatically transfer operation when a leak, power interruption, or drive fault occurs.

Key Features

• Accepts 4-20mA analog input signals
• Variable-speed operation
• Backup pump capability
• Leak detection with output relay
• LED operating status indicators
• NEMA 4X enclosed housing
• Brushless DC motor
• Indoor/outdoor rated construction
• Self-priming operation
• Can run dry
• Handles off-gassing solutions
• ±2% reproducibility
• 2-year warranty

Typical Applications

• Municipal water treatment
• Wastewater treatment
• Effluent treatment systems
• pH control systems
• ORP control systems
• Cooling towers
• Commercial pools
• Industrial process chemical feed

The Stenner S420 Series combines precise 4-20mA control, rugged construction, and dependable peristaltic pump technology to provide accurate chemical dosing for demanding process applications.

Stenner Econ Vaccinator™ Livestock Waterline Vaccine Injection Pumps

The Stenner Econ Vaccinator™ Series is a specialized peristaltic pump designed to deliver liquid oral vaccines directly into livestock and poultry water lines. Engineered to consistently inject 1 gallon of vaccine over a 6-hour period, the Vaccinator provides accurate dosing while simplifying vaccination programs and reducing labor requirements.

Unlike traditional proportioners that depend on water bypass systems, the Econ Vaccinator injects directly into the water line. This approach helps maintain unrestricted water flow while ensuring vaccine solution is distributed consistently throughout the herd or flock.

Key Features

• Delivers 1 gallon of vaccine over 6 hours
• Factory-programmed 375-minute run cycle
• Built-in timer automatically shuts off the pump
• Direct waterline injection
• Eliminates pre-measuring stock solutions
• Patented quick-release pump head
• Tool-free tube replacement
• Self-priming peristaltic design
• Indoor/outdoor rated construction
• Brushless motor
• Enclosed housing
• Optional mounting accessories available

Designed for Accurate Vaccination

The Econ Vaccinator provides a consistent injection rate over the six-hour dosing period, helping ensure vaccine is distributed throughout the entire water system. Direct injection eliminates the need for mixing stock solutions and reduces the labor traditionally associated with livestock vaccination programs.

Reliable Peristaltic Pump Technology

The pump utilizes a self-priming peristaltic design that offers several operational advantages:

• Maintains prime without a foot valve
• Handles off-gassing solutions without vapor lock
• Can operate reliably in demanding farm environments
• Output reproducibility of ±2%
• 3-point roller design assists with anti-siphon protection

Performance Specifications

• Maximum output: 0.36 oz/min
• Maximum working pressure: 80 PSI
• Maximum suction lift: 25 feet
• Maximum operating temperature: 104°F
• Continuous-duty operation
• Available in 120V 60Hz and 230V 50Hz models

Typical Applications

• Poultry vaccination programs
• Livestock vaccination programs
• Oral vaccine delivery through water lines
• Herd and flock health management systems

By combining direct waterline injection, automatic timer-controlled operation, and dependable peristaltic pump technology, the Stenner Econ Vaccinator™ Series provides an accurate and labor-saving solution for livestock and poultry vaccination applications.