AR-KIT2408  Valve Kit  is the standard check valve repair kit for the AR North America D252 diaphragm pump. The kit Includes a full set of check valve assemblies and the o-rings for the seat of the valve. If your pump is not drawing water or the flow is irregular your valves may need to be replaced. If your pump is in constant use, manufacture recommends changing these out every 3 months or 500 hours.
 Includes: Qty 4  Check Valve Assembly 
Qty 4  O-Rings