PVC Spring Check Valves Max. temp.: 120°FValves feature stainless steel spring and raised-radius valve seat for positive seal.Check and Foot ValvesPrevent backflow or loss of prime. Item: Spring Check Valve Material of Construction: PVC Size: 2" Connection Type: SLIP Length: 7-15/16" Width: 4-1/16" Overall Height: 4-1/16" Max. Temp.: 120 Degrees F Spring Material: Stainless Steel Screen Material: Stainless Steel