Flo Control True Union Spring Check Valve, 2" PVC | 1700-20 Cartridge Filter If leaks occur or the

If leaks occur or the handle becomes difficult to turn

bypassing heater in summer

Part # CX1750B — a genuine replacement filter head designed for the Hayward Star-Clear Plus C1750 and C1900 cartridge filters

efficient exhaust venting of combustion gases when the heater is installed inside or in enclosed spaces

which could lead to overheating or damage

Flo Control True Union Spring Check Valve, 2" PVC | 1700-20 Cartridge Filter If leaks occur or theFlo Control 1700 20 True Union Spring Check Valve, 2 Inch PVC The Flo Control 1700 20 is a true union spring check valve designed for 2 inch PVC pool and spa plumbing systems. It helps prevent reverse flow in circulation lines and is commonly used where dependable one way water flow is needed in pool, spa, and water feature applications. Features Genuine Flo Control check valve Part number: 1700 20 True union spring check valve design 2 inch slip PVC