AR 503 Diaphragm Kit, AR43295 Type_Tank Fittings The kit includes 3/4" hose

The kit includes 3/4" hose barb outlet for pump and a 3/4" hose barb inlet for control unit

38605   Small               1 - 3 GPM

1x 12719A AS568A -375 O-RING

The Delta 140 pump allows for spray heights of 70+ feet

Hannay 1020 manual hose reel

AR 503 Diaphragm Kit, AR43295 Type_Tank Fittings The kit includes 3/4" hosePart # AR43295 is the diaphragm rebuild kit for the AR 503 diaphragm pump. AR recommends changing the diaphragms every 500 hours or three months, whichever comes first. Part# AR43295 replaces 9910 Kit1881 and will also rebuild the Hypro D503 pump. When rebuilding the pump diaphragms follow all factory torque specifications. Replacing diaphragms will require new oil. Replace with 30 weight non detergent.