9910-KIT1987 D503 Valve Kit shipclass=300 3/8" Hose X 1/2" MNPT

3/8" Hose X 1/2" MNPT King Steel Hex Nipple for One Clamp

To Clamp on 1/2" Pipe

including thorough analysis in our engineering and research facility

-Angled end flange with 8" long polypropylene fill spout

housing a rocker-type manual switch with international on/off switch symbols

9910-KIT1987 D503 Valve Kit shipclass=300 3/8" Hose X 1/2" MNPTIf your pump isn't drawing any water in or the flow is irregular you may have a check valve issue. The springs can become corroded and gummed up or it is possible the valve seats are pitted. The 9910 KIT1987 will replace all four check valve assemblies as well as the o rings to create a seal to have your pump back up and running. Hypro Pentair is no longer distributing the 9910 series of diaphragm pumps, components, and related parts. Products with