Hayward SP1056 Swimming Pool White ABS Hydrostatic Relief Valve & Suction Outlet

Hayward SP1056 hydrostatic relief valve Designed to relieve external hydrostatic pressure beneath the pool shell Should be replaced every time the pool is drained Works with either 1.5-inch and 2-inch pipe sizes White ABS plastic stands up to sun, water, and chemicals Spring-loaded Leak-proof design Self-cleaning Non-corrosive materials won?t degrade from chlorine Product/item type: Hydrostatic relief valve Material: ABS plastic Color: White Dimensions (L x W x H): 3 x 3 x 3 inches Load 2.56 ounces Manufacturer warranty: 1-year warranty