Y-Check Valves have an FPM o-ring seal and seat. Backflow Prevention: Hayward Y-Check Valves prevent reversal of flow in piping systems. They are ideal where backflow could potentially cause damage to pumps,...
True Union Y-Check Valves have an FPM o-ring seal and seat. Backflow Prevention: Hayward Y-Check Valves prevent reversal of flow in piping systems. They are ideal where backflow could potentially cause damage...