Check Valve

View as Grid List
Sort by
Display per page

B & K ProLine 101-603 Check Valve, 1/2 in, 200 psi Pressure, PVC 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.
$2.99

B & K ProLine 101-604 Check Valve, 3/4 in, 200 psi Pressure, PVC 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.
$2.99

B & K ProLine 101-606 Check Valve, 1-1/4 in, 200 psi Pressure, PVC 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.
$8.99

B & K ProLine 101-607 Check Valve, 1-1/2 in, 200 psi Pressure, PVC 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.
$10.99

B & K ProLine 101-608 Check Valve, 2 in, 200 psi Pressure, PVC 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.
$14.99

Flotec FP0026-10 Check Valve NPT, NPT, Thermoplastic Body

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.
$15.99

Flotec FP0026-6D-P2 Check Valve Threaded, Threaded, PVC Body

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.
$6.99

Flotec FP212-257 Check Valve, 2 in, Compression, Plastic Body

Economy check valve with stainless steel hose clamp fittings.
$25.99

NDS 1001-07 Check Valve, 3/4 in, FPT, 200 psi Pressure, PVC Body

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.
$10.99

NDS 1001-10 Check Valve, 1 in, FPT, 200 psi Pressure, PVC Body

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.
$14.99

NDS 1001-12 Check Valve, 1-1/4 in, FPT, 200 psi Pressure, PVC Body

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.
$18.99

NDS 1001-15 Check Valve, 1-1/2 in, FPT, 200 psi Pressure, PVC Body

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.
$19.99

NDS 1001-20 Check Valve, 2 in, FPT, 200 psi Pressure, PVC Body

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.
$19.99

NDS 1011-05 Check Valve, 1/2 in, Slip Joint, 200 psi Pressure, PVC Body

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.
$9.99

NDS 1011-07 Check Valve, 3/4 in, Slip Joint, 200 psi Pressure, PVC Body

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.
$10.99

NDS 1011-10 Check Valve, 1 in, Slip Joint, 200 psi Pressure, PVC Body

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.
$14.99

NDS 1011-12 Check Valve, 1-1/4 in, Slip Joint, 200 psi Pressure, PVC Body

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.
$18.99

NDS 1011-15 Check Valve, 1-1/2 in, Slip Joint, 200 psi Pressure, PVC Body

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.
$19.99

SharkBite U2008-0000LFA Check Valve, 1/2 in, Push-Fit, 200 psi Pressure, Brass Body

SharkBite® check valves are general-purpose, spring-loaded check valves that are easily installed on copper, CPVC, PEX and PE-RT lines. These valves can be installed horizontally or vertically and prevents the reverse flow of water through the water supply line.
$18.99

SharkBite U2016-0000LFA Check Valve, 3/4 in, Push-Fit, 200 psi Pressure, Brass Body

SharkBite® check valves are general-purpose, spring-loaded check valves that are easily installed on copper, CPVC, PEX and PE-RT lines. These valves can be installed horizontally or vertically and prevents the reverse flow of water through the water supply line.
$22.99

Simmons 500 SB Series 501SB Check Valve, 1/2 in, FPT, 400 psi Pressure, Silicone Bronze Body

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.
$42.99

Simmons 500 SB Series 502SB Check Valve, 3/4 in, FPT, 400 psi Pressure, Silicone Bronze Body

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.
$42.99

Simmons 500 SB Series 503SB Check Valve, 1 in, FPT, 400 psi Pressure, Silicone Bronze Body

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.
$44.99

Simmons 500 SB Series 504SB Check Valve, 1-1/4 in, FPT, 400 psi Pressure, Silicone Bronze Body

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.
$62.99

Simmons 500 SB Series 505SB Check Valve, 1-1/2 in, FPT, 400 psi Pressure, Silicone Bronze Body

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.
$72.99

Simmons 500 SB Series 506SB Check Valve, 2 in, FPT, 600 psi Pressure, Silicone Bronze Body

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.
$89.99

Simmons 601SB Check Valve, 1 in, FPT, 400 psi Pressure, Silicone Bronze Body

Silicon bronze cast body and poppet contain less than 0.05% lead. Furnished with Buna-N O-ring, stainless steel spring, stainless steel washer and stainless steel locknut. 400 psi working pressure.
$62.99

Simmons 606SB Check Valve, 1 in, FPT, 400 psi Pressure, Silicone Bronze Body

Silicon bronze cast body and poppet contain less than 0.05% lead. Furnished with Buna-N O-ring, stainless steel spring, stainless steel washer and stainless steel locknut. 400 psi working pressure.
$62.99

Spears KC-0500-T Spring Check Valve, 1/2 in, FNPT, 200 psi Pressure, PVC Body

Spears Spring Check Valve, 1/2 in, FNPT, 3-1/4 in L, PVC, 140 deg F
$9.99

SUPERIOR PUMP 99477/SC125SRS Check Valve, 1-1/4 in, MNPT, ABS Body

Durable sonic welded thermo-plastic body.
$11.99

SUPERIOR PUMP 99479/SC150SRS Check Valve, 1-1/2 in, MNPT, ABS Body

Durable sonic welded thermo-plastic body.
$11.99

SUPERIOR PUMP 99522 Check Valve, 1-1/2 in, ABS Body

Rubber boot inlet and outlet. Full flow design, weighted flapper valve.
$11.99

SUPERIOR PUMP 99544 Check Valve, 1-1/4 in, ABS Body

Rubber boot inlet and outlet. Full flow design, weighted flapper valve.
$10.99

SUPERIOR PUMP 99555 Check Valve Kit, ABS Body

Includes one universal check valve and two adapters. Made from durable ABS plastic. High-quality Nitrile-Buna N seal. Fits all 1-1/4 and 1-1/2 MPT and FPT.
$11.99

Watts 0950053 Check Valve, 1/2 in, Union FNPT x FNPT, Brass Body

Specially made for smaller supply lines and ideally suited for laboratory equipment, processing tanks, sterilizers, dairy equipment and similar applications. It is particularly recommended for boiler feed lines to prevent backflow when supply pressure falls below system pressure. Suitable for use on hot or cold water and can be used under continuous pressure. It features a primary check valve utilizing a rubber disc seating against a mating rubber part to ensure tight closing. A secondary check valve utilizes a rubber disc-to-metal seating. In the event of fouling of the downstream check valve, leakage would be vented to atmosphere through the vent port thereby safeguarding the potable water system. Construction is brass body with stainless steel working parts, integral strainer and durable rubber discs. Female union inlet and outlet connections.
$72.99

Watts 3/4X3/4 LF7RU2-2 Check Valve, 3/4 in, Union FNPT x FNPT, 10 to 175 psi Pressure, Brass Body

This 3/4 by 3/4 in lead-free dual check valve prevents the reverse flow of polluted water from entering into the drinking water supply at the service entrance or at individual outlets. The valve consists of a lead-free brass body construction, with two plastic replaceable check valves and stainless steel springs. It is designed for non-health hazard residential water system containment, continuous pressure applications and is to be installed immediately downstream of the residential water meter, in a vertical or horizontal position. The minimum working pressure is 10 psi and maximum working pressure is 175 psi.
$59.99

WAYNE 57028-001 Check Valve Kit, 1-1/4 in, NPT, Thermoplastic Body

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.
$18.99

WAYNE 66005-WYN Check Valve, 1-1/2 in, Threaded, PVC Body

1-1/2 in pump thread with 1-1/4 in or 1-1/2 in pipe connection.
$14.99
;