Flow Check Valve 40mm Waterco

Flow check valves are important for solar systems pressure to be kept at a constant rate 180°flow check valve 40mm pressure pipe glues inside 50mm fittings fit outside operates vertical horizontal or upside down  every pump should have one on the suction to prevent damage to pump serviceable by removing cover  40 mm pipe fits inside 50mm pipe fits outside valve one size fits most installs if your pump loses prime could be air coming back through backwash valve or elsewhere this will prevent water loss from hair and lint pot as air does bleed back through filter backwash valve especially important if pump and filter is more than 600mm above pool water level and/or suction line is long