Check Valve Kit for AR403/303 Series Diaphragm Pump, AR2388


Valve Repair Kit for AR303/403  Diaphragm Pump.


Valve Repair Kit AR2388 The Valve Repair Kit is used to replace worn or damaged valves on the AR303/403 Diaphragm Pump. An indication that the valves of your pump need replacements is a drop in volume (flow) and/or engine-knock type sounds coming from your pump.

Additional information

Weight.27 lbs
Dimensions4 × 2.25 × 1.375 in