Hydrostatic Relief Valves help prevent pool damage from external hydrostatic pressure beneath the pool shell when the pool is drained. Hydrostatic relief valves should be replaced every time the pool is drained. This valve is made with white ABS material, is spring loaded with a leakproof self-cleaning o-ring seal and is noncorrosive and nonconductive. This valve fits 1-1/2 and 2 inch plumbing.
-30%
Hayward SP1056 Hydrostatic Relief Valve For Main Drain
$16.79
- Part numbers SP1056, 600-2100B
- Replaces: 55-150-1004, HAY-25-1518, HAYSP1056
- Hydrostatic relief valve for main drain
- Prevents damage from external pressure when pool is drained
- Replace valve whenever pool is drained
- White ABS material
- Spring loaded
- Leak proof, self-cleaning O-Ring seal
- Noncorrosive and nonconductive
- Fits 1.5″ and 2″ plumbing
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