Flo Control True Union Spring Check Valve, 2" Clear PVC | 1700C-20 Pop-Up Valve Replacement Parts Includes a 1¼″ hose elbow

Includes a 1¼″ hose elbow connection for vacuum hose attachment

verify there are no upstream restrictions (dirty filter

Outside Diameter: ~4-15/16” (~125

Fits compatible Hayward Universal H-Series Low-NOx heaters requiring the integrated control board – models such as H150FDN

lubricated and seated correctly

Flo Control True Union Spring Check Valve, 2" Clear PVC | 1700C-20 Pop-Up Valve Replacement Parts Includes a 1¼″ hose elbowFlo Control 1700C 20 True Union Spring Check Valve 2 Part Number: 1700C 20 (sometimes shown as 1700C 20 or 1700C20) Description A clear PVC true union check valve designed to prevent reverse flow in pool and spa plumbing systems. The unit features a spring loaded flap and a union design so the body can be easily removed for inspection or maintenance without cutting pipe. Compatibility & Fitment 2 nominal IPS size for typical pool spa plumbing return