Fits both SCH 40 and 80 pipes, spring-loaded poppet, stainless steel spring, O-ring seal, solvent ends comply with ASTM D2466. Not for use with compressed air.

Fits both SCH 40 and 80 pipes, spring-loaded poppet, stainless steel spring, O-ring seal, solvent ends comply with ASTM D2466. Not for use with compressed air.

Durable sonic welded thermo-plastic body.

Fits both SCH 40 and 80 pipes, spring-loaded poppet, stainless steel spring, O-ring seal, solvent ends comply with ASTM D2466. Not for use with compressed air.

Fits both SCH 40 and 80 pipes, spring-loaded poppet, stainless steel spring, O-ring seal, solvent ends comply with ASTM D2466. Not for use with compressed air.

Fits both SCH 40 and 80 pipes, spring-loaded poppet, stainless steel spring, O-ring seal, solvent ends comply with ASTM D2466. Not for use with compressed air.

Certified to NSF 61 requirements.

Double-threaded for use with 1-1/4 in or 1-1/2 in sump pump discharges, Discharge side designed to allow discharge hose to clamp directly in place, built-in anti-airlock hole.

Certified to NSF 61 requirements.

Fits both SCH 40 and 80 pipes, spring-loaded poppet, stainless steel spring, O-ring seal, solvent ends comply with ASTM D2466. Not for use with compressed air.

Made of high-impact PVC Type II material. 1/2 lb spring gives positive seal with no back pressure. Reinforced poppet. Designed for any system where back flow is not desired. Spas, swimming pools, industrial and irrigation. Complies with all applicable ASTM and ANSI standards. KC-1500-S and KC-2000-S are UL recognized spa component.

NDS Check Valve, Nominal Size: 1/2 in, FPT Connection, Body Material: PVC, 200 psi

1-1/2 in pump thread with 1-1/4 in or 1-1/2 in pipe connection.

Made of high-impact PVC Type II material. 1/2 lb spring gives positive seal with no back pressure. Reinforced poppet. Designed for any system where back flow is not desired. Spas, swimming pools, industrial and irrigation. Complies with all applicable ASTM and ANSI standards. KC-1500-S and KC-2000-S are UL recognized spa component.

Made of high-impact PVC Type II material. 1/2 lb spring gives positive seal with no back pressure. Reinforced poppet. Designed for any system where back flow is not desired. Spas, swimming pools, industrial and irrigation. Complies with all applicable ASTM and ANSI standards.

Prevents water backflow into sump basin. Accept 1-1/4 in or 1-1/2 in discharge lines. Corrosion-resistant construction. Non-threaded, in-line check valve with rubber sleeve and hose clamps.

Made of High-Impact PVC type II material. 1/2 lb spring gives positive seal with no back pressure. Reinforced Poppet. Designed for any system where back flow is not desired. Spas, swimming pools, industrial and irrigation. Complies with all applicable ASTM and ANSI standards.

Made of High-Impact PVC type II material. 1/2 lb spring gives positive seal with no back pressure. Reinforced poppet. Designed for any system where back flow is not desired. Spas, swimming pools, industrial and irrigation. Complies with all applicable ASTM and ANSI standards. KC-1500-S and KC-2000-S are UL recognized spa component.

Certified to NSF 61 requirements.

Includes 2 convertible fittings and 4 hose clamps. Durable thermoplastic valve body and poppet designed to resist corrosion and to stop noise. Handles either 1-1/4 in or 1-1/2 in OD pipe.

Made of high-impact PVC Type II material. 1/2 lb spring gives positive seal with no back pressure. Reinforced poppet. Designed for any system where back flow is not desired. Spas, swimming pools, industrial and irrigation. Complies with all applicable ASTM and ANSI standards.

Made of high-impact PVC Type II material. 1/2 lb spring gives positive seal with no back pressure. Reinforced poppet. Designed for any system where back flow is not desired. Spas, swimming pools, industrial and irrigation. Complies with all applicable ASTM and ANSI standards. KC-1500-S and KC-2000-S are UL recognized spa component.

Made of high-impact PVC Type II material. 1/2 lb spring gives positive seal with no back pressure. Reinforced poppet. Designed for any system where back flow is not desired. Spas, swimming pools, industrial and irrigation. Complies with all applicable ASTM and ANSI standards. KC-1500-S and KC-2000-S are UL recognized spa component.

Economy check valve with stainless steel hose clamp fittings.

Made of high-impact PVC Type II material. 1/2 lb spring gives positive seal with no back pressure. Reinforced poppet. Designed for any system where back flow is not desired. Spas, swimming pools, industrial and irrigation. Complies with all applicable ASTM and ANSI standards.

Certified to NSF 61 requirements.

Certified to NSF 61 requirements.

Made of high-impact PVC Type II material. 1/2 lb spring gives positive seal with no back pressure. Reinforced poppet. Designed for any system where back flow is not desired. Spas, swimming pools, industrial and irrigation. Complies with all applicable ASTM and ANSI standards. KC-1500-S and KC-2000-S are UL recognized spa component.

Made of high-impact PVC Type II material. 1/2 lb spring gives positive seal with no back pressure. Reinforced poppet. Designed for any system where back flow is not desired. Spas, swimming pools, industrial and irrigation. Complies with all applicable ASTM and ANSI standards.

Silicon bronze cast body and poppet contain less than 0.05% Lead. Furnished with Buna-N O-ring, stainless steel spring, washer and locknut. All valves 1/2 in through 1-1/2 in have a working pressure of 400 psi. All valves 2 in and larger have a working pressure of 600 psi.