ARO PE20P-FPS-PTT-AD0 Pump Part Exploded View Diagram & 2" Non-Metallic Expert Series Repair Parts PDF Manual. Air Section Service Kit: PE20P-FPS-PTT-AD0 ARO Pumps Exploded View Diagram Fluid Section, Fluid Section Service Kit: 63, Fluid Section Service Kit with Seats: ARO-2019-PX20X-2-Inch-Non-Metallic-Diaphragm-Pump-Manual-Air-Motor-Section.svg, Major Valve Service Assembly: PE20P-FPS-PTT-AD0 ARO Pumps Exploded View Diagram Air Section, Flange Connection Kit: 2" Non-Metallic Expert Series Available. Replacement Diaphragm, Seat, Balls, O-Ring, Seal, Rod, Manifold, Washer, Bolt, Nut, Gasket, Fluid Cap, Center Body, Plate, Spool Assembly, Valve, Muffler.