Hydromatic Model HPUSP125 Under-Sink Utility Pump - Designed to be used with a sink where gravity drain line is not available. Fully automatic operation, Complete compact system, Designed to be used with a sink where gravity drain line is not available. Up to 40 gpm with 14’ head, Easy to install, Eliminates the need for traps, vents and costly labor, Quiet, trouble-free operation easily mounts beneath your sink