Fittings & Valves: Check Valves
Check valves help prevent backflow in pool, spa, and bath plumbing systems by allowing water to move in one direction. These valves are often used near pumps, heaters, filters, chlorinators, and other equipment that can be affected by reverse flow. Browse PVC check valves and related parts designed to protect equipment, support circulation, and maintain reliable plumbing performance.
Pentair/Rainbow Auto.Feeder 1/4 lb Check Valve (R172323)
$25.99 $16.99
Rola Chem 3/8" B x 3/8" B In-Line Check Valve (521160)
$46.99 $37.49
Rola Chem 3/8" B x 1/4" MPT In-Line Check Valve (521170)
$47.49 $37.99
Pentair 2-1/2" S x 3" Spg 2-Way Str CPVC Check Valve (263060)
$188.99 $144.99
Pentair 2" S x 2-1/2" Spg Str CPVC Check Valve (263042)
$84.99 $67.99
Paramount Pump Mount Check Valve w/ Tubing (005-402-3361-00)
$193.99 $148.99
