AR303 and AR403 O-Ring Kit Manufacturer_Gregson-Clark Glass filled polypropylene (black) valve

Glass filled polypropylene (black) valve body

and other internal components

Hose Roller Guides: Roller guides can be easily added to the sprayer to assist in pay-out and rewinding of hose

This valve comes with the compression fitting

AR303 and AR403 O-Ring Kit Manufacturer_Gregson-Clark Glass filled polypropylene (black) valveAR2389 is the replacement O ring kit for the AR303 and AR403 diaphragm pumps. This kit is typically used when rebuilding the pump at the end of the season. Included in the kit are the main 30 O rings found on the AR303 403 pumps. AR2389 replaces 9910 Kit2389 and is compatible with Hypro D303 & D403 pumps.