0821-05 Economy SWING Check Valve

1/2" Swing Check Valve with 1/2 pound opening spring. (Flapper) Full flow. Very heavy duty fitting. Spring assisted flapper valve, can be installed in any orientation. 100% positive seal.

0821-05C CLEAR SWING Check Valve

1/2" Swing Check Valve, CLEAR with 1/2 pound opening spring. (Flapper) Full flow. Very heavy duty fitting. Spring assisted flapper valve, can be installed in any orientation. 100% positive seal.

0821-07 Economy SWING Check Valve

3/4" Swing Check Valve with 1/2 pound opening spring. (Flapper) Full flow. Very heavy duty fitting. Spring assisted flapper valve, can be installed in any orientation. 100% positive seal.

0821-07C CLEAR SWING Check Valve

3/4" Swing Check Valve, CLEAR with 1/2 pound opening spring. (Flapper) Full flow. Very heavy duty fitting. Spring assisted flapper valve, can be installed in any orientation. 100% positive seal.

0821-10 Economy SWING Check Valve

1" Swing Check Valve with 1/2 pound opening spring. (Flapper) Full flow. Very heavy duty fitting. Spring assisted flapper valve, can be installed in any orientation. 100% positive seal.

0821-10C CLEAR SWING Check Valve

1" Swing Check Valve, CLEAR with 1/2 pound opening spring. (Flapper) Full flow. Very heavy duty fitting. Spring assisted flapper valve, can be installed in any orientation. 100% positive seal.

0821-15 Economy SWING Check Valve

1.5" Swing Check Valve with 1/2 pound opening spring. (Flapper) Full flow. Very heavy duty fitting. Spring assisted flapper valve, can be installed in any orientation. 100% positive seal.

0821-15C CLEAR SWING Check Valve

1.5" Swing Check Valve, CLEAR with 1/2 pound opening spring. (Flapper) Full flow. Very heavy duty fitting. Spring assisted flapper valve, can be installed in any orientation. 100% positive seal.

0821-20 Economy SWING Check Valve

2" Swing Check Valve with 1/2 pound opening spring. (Flapper) Full flow. Very heavy duty fitting. Spring assisted flapper valve, can be installed in any orientation. 100% positive seal.

0821-20C CLEAR SWING Check Valve

2" Swing Check Valve with 1/2 pound opening spring, CLEAR. (Flapper) Full flow. Very heavy duty fitting. Spring assisted flapper valve, can be installed in any orientation. 100% positive seal.

0821-20CFPT Clear SWING Check Valve

2" FPT (Female Pipe Thread) CLEAR Swing Check Valve with 1/2 pound opening spring. (Flapper) Full flow. Very heavy duty fitting. Spring assisted flapper valve, can be installed in any orientation. 100% positive seal. Clear body allows inspection.

0821-25C Clear SWING Check Valve

2.5" CLEAR Swing Check Valve with 1/2 pound opening spring. (Flapper) Full flow. Very heavy duty fitting. Spring assisted flapper valve, can be installed in any orientation. 100% positive seal. Clear body allows inspection.

0821-25CFPT Clear SWING Check Valve

2.5" FPT (Female Pipe Thread) CLEAR Swing Check Valve with 1/2 pound opening spring. (Flapper) Full flow. Very heavy duty fitting. Spring assisted flapper valve, can be installed in any orientation. 100% positive seal. Clear body allows inspection.

0821-30 Economy SWING Check Valve

3" Swing Check Valve with 1/2 pound opening spring. (Flapper) Full flow. Very heavy duty fitting. Spring assisted flapper valve, can be installed in any orientation. 100% positive seal.

0821-30C Clear SWING Check Valve

3" CLEAR Swing Check Valve with 1/2 pound opening spring. (Flapper) Full flow. Very heavy duty fitting. Spring assisted flapper valve, can be installed in any orientation. 100% positive seal. Clear body allows inspection.

0823-10C Clear SWING Check Valve

Clear 1" Swing Check Valve with 1/2 pound opening spring. (Flapper) Full flow. Very heavy duty fitting. Spring assisted flapper valve, can be installed in any orientation. 100% positive seal. Comes with self locking unions attached. (Won't unscrew themselves no matter how much it vibrates.)

0823-15C Clear SWING Check Valve

Clear 1.5" Swing Check Valve with 1/2 pound opening spring. (Flapper) Full flow. Very heavy duty fitting. Spring assisted flapper valve, can be installed in any orientation. 100% positive seal. Comes with self locking unions attached. (Won't unscrew themselves no matter how much it vibrates.)

0823-20C Clear SWING Check Valve

Clear 2" Swing Check Valve with 1/2 pound opening spring. (Flapper) Full flow. Very heavy duty fitting. Spring assisted flapper valve, can be installed in any orientation. 100% positive seal. Comes with self locking unions attached. (Won't unscrew themselves no matter how much it vibrates.)

0823-20MC Clear SWING Magnet Chk Va

Clear 2" Swing Check Valve with Magnets. 2pound spring pressure. (Flapper) Full flow. Very heavy duty fitting. Spring assisted flapper valve, can be installed in any orientation. 100% positive seal. Comes with self locking unions attached. (Won't unscrew themselves no matter how much it vibrates.)

0853-10CNS CLEAR SWING NO SPRING

NEW 1" Swing Check Valve, CLEAR. (Flapper) Full flow. Very heavy duty fitting. NO METAL. Safe for fish/reef/saltwater systems. (Note: Because there is no spring, you have to orientate the valve so that gravity or backflow will close it and hold it shut.) Unions on both ends for easy installation and cleaning. Clear so you can see if there is any obstruction.

0853-15CNS Clear SWING NO SPRING

NEW 1.5" Swing Check Valve, CLEAR. (Flapper) Full flow. Very heavy duty fitting. NO METAL. Safe for fish/reef/saltwater systems. (Note: Because there is no spring, you have to orientate the valve so that gravity or backflow will close it and hold it shut.) Unions on both ends for easy installation and cleaning. Clear so you can see if there is any obstruction.

0853-20CNS Clear SWING NO SPRING

NEW 2" Swing Check Valve, CLEAR. (Flapper) Full flow. Very heavy duty fitting. NO METAL. Safe for fish/reef/saltwater systems. (Note: Because there is no spring, you have to orientate the valve so that gravity or backflow will close it and hold it shut.) Unions on both ends for easy installation and cleaning. Clear so you can see if there is any obstruction.

1500C15 1.5 Clear Comp Swing Check

1.5" PVC Compresssion CLEAR Swing Check Valve.

1500C20 2 Clear Comp Swing Check

2" PVC Compresssion CLEAR Swing Check Valve.

1500C15 1.5 WHITE Comp Swing Check

1.5" PVC Compresssion WHITE Swing Check Valve.

1500C20 2 WHITE Comp Swing Check

2" PVC Compresssion WHITE Swing Check Valve.

550-6800 2inch SWING check valve 8#

2" Swing Check Valve. 8 pound spring. An inexpensive flapper style check valve. Only available in 2". Use reducer bushings to neck down to smaller sizes. Not a 100% positive seal valve. Some back flow could occur if pump is turned off. If you need a positive seal valve, use one of the other flapper check valves on this page.

550-6810 2inch SWING check valve 2#

2" Swing Check Valve. 2 pound spring. An inexpensive flapper style swing check valve. Only available in 2". Use reducer bushings to neck down to smaller sizes. Not a 100% positive seal valve. Some back flow could occur if pump is turned off. If you need a positive seal valve, use one of the other flapper check valves on this page.

600-4000 1inch SWING check valve

1" swing check, flapper, good for air or low pressure water systems. Reversible, cleanable and repairable check valve. Forward pressure is good to 100psi. Reverse pressure should be fairly low for this valve. NO METAL, safe for saltwater and reef systems.

600-7000 Truseal 2inch 90 degree

ON SALE, limited to stock on hand. 90 degree, Serviceable Truseal Check Valve - Hi Temp CPVC body (glues to PVC pipe fine.) 2" slip socket or 2.5" spigot fitting with clear cover lid. Features:

600-7010 Truseal 2inch check valve

ON SALE, limited to stock on hand. Serviceable Truseal Check Valve - Hi Temp CPVC body (glues to PVC pipe fine.) 2" slip socket or 2.5" spigot fitting with clear cover lid. Features:

600-7020 Truseal 1.5 inch 90 chk

ON SALE, limited to stock on hand. 90 degree, Serviceable Truseal Check Valve - Hi Temp CPVC body (glues to PVC pipe fine.) 1.5" slip socket or 2" spigot fitting with clear cover lid. Features:

600-7030 Truseal 1.5 inch chk valve

ON SALE, limited to stock on hand. Serviceable Truseal Check Valve - Hi Temp CPVC body (glues to PVC pipe fine.) 1.5" slip socket or 2" spigot fitting with clear cover lid. Features:

S1520-07F Spears 3/4 FPT Swing Chk

S1520-07F Spears 3/4" fpt x fpt Swing check valve.

S1520C15F Clear FPT 1.5 swing check

Rated 1.5" FPT (female pipe thread) clear swing check valve. NO SPRING, NO METAL. Must be orientated a certain way for it to close properly. If you need a valve you can put in any position look for the spring check valves on this page.

General Installation Information: Swing check valves are designed for horizontal installations, but may be installed in up-flow only vertical position. Check valves MUST be installed with the valve's FLOW arrow pointing in the direction of the flow. Do not install valve upside down. Flow velocity should not exceed 5 ft./sec. Minimum opening pressure less than 0.5 psi.

S1520C20F Clear FPT 2 swing check

Rated 2" FPT (female pipe thread) clear swing check valve. NO SPRING, NO METAL. Must be orientated a certain way for it to close properly. If you need a valve you can put in any position look for the spring check valves on this page.

General Installation Information: Swing check valves are designed for horizontal installations, but may be installed in up-flow only vertical position. Check valves MUST be installed with the valve's FLOW arrow pointing in the direction of the flow. Do not install valve upside down. Flow velocity should not exceed 5 ft./sec. Minimum opening pressure less than 0.5 psi.

S1520C40 4inch clear swing chk valv

4" Clear check valve. Slip sockets. Must be installed horizontal or in the vertical "up flow" position.

S1580C40 4inch clear swing spring

Spring Assisted 4" Clear check valve. Slip sockets. Can be installed in any position, spring will close the valve for a positive seal.

S275P BackFlow Flapper Valve 2inch

New Item 2" Back flow Valve. Backwater Valves are designed to prevent backflow in numerous applications where easy service access for maintenance and cleaning is needed. Excellent for use in sanitary or storm sewer drainage systems to prevent waste back up due to inadequate drainage, for balancing multi-level ponds, aquaculture features or storage tank systems, and many other applications. Contains NO METAL, so this is safe for saltwater and reef systems. Backwater Valves have been engineered for improved function and easier service, especially in buried service with use of optional Service-Access Extension available either preassembled with valve or as an add-on kit. Replaceable internal flapper assembly with EPDM Seat. Service-Access Extension available either preassembled with valve, as an add-on kit, or as valve & extension kit components with user supplied pipe. Direct Connection to ASTM D 2665 PVC DWV or other IPS size pipe. Pressure Rated to 43 psi (100 feet of head) @ 73¦F (23¦C). Conforms to ASME/ANSI A112.14.1 for Backwater Valves. Dimensional Specs & Internal View Here.

S275P-ECK Extension Kit for S275P

Extension kit for 2" Backwater valve. Does not include the valve. You will also need to supply the 2" pipe in the length needed to complete the assemble. This is just the kit to adapt the extension to the valve. When complete with valve, pipe and kit, it looks like this:

Riser pipe use: 4" Class 125 PVC or 4" Sch 40 PVC
Sleeve pipe use: 2" Class 125 PVC or 2" Sch 40 PVC

Click here for a diagram

S375P BackFlow Flapper Valve 3inch

New Item 3" Back flow Valve. Backwater Valves are designed to prevent backflow in numerous applications where easy service access for maintenance and cleaning is needed. Excellent for use in sanitary or storm sewer drainage systems to prevent waste back up due to inadequate drainage, for balancing multi-level ponds, aquaculture features or storage tank systems, and many other applications. Contains NO METAL, so this is safe for saltwater and reef systems. Backwater Valves have been engineered for improved function and easier service, especially in buried service with use of optional Service-Access Extension available either preassembled with valve or as an add-on kit. Replaceable internal flapper assembly with EPDM Seat. Service-Access Extension available either preassembled with valve, as an add-on kit, or as valve & extension kit components with user supplied pipe. Direct Connection to ASTM D 2665 PVC DWV or other IPS size pipe. Pressure Rated to 43 psi (100 feet of head) @ 73¦F (23¦C). Conforms to ASME/ANSI A112.14.1 for Backwater Valves. Dimensional Specs & Internal View Here.

S375P-ECK Extension Kit for S375P

Extension kit for 3" Backwater valve. Does not include the valve. You will also need to supply the 3" pipe in the length needed to complete the assemble. This is just the kit to adapt the extension to the valve. When complete with valve, pipe and kit, it looks like this:

Riser pipe use: 5" Class 125 PVC or 5" Sch 40 PVC or 6" D3034 (SDR 35) or PVC Sewer Pipe
Sleeve pipe use: 4" Class 125 PVC 4" Sch 40 PVC

Click here for a diagram

S475P BackFlow Flapper Valve 4inch

New Item 4" Back flow Valve. Backwater Valves are designed to prevent backflow in numerous applications where easy service access for maintenance and cleaning is needed. Excellent for use in sanitary or storm sewer drainage systems to prevent waste back up due to inadequate drainage, for balancing multi-level ponds, aquaculture features or storage tank systems, and many other applications. Contains NO METAL, so this is safe for saltwater and reef systems. Backwater Valves have been engineered for improved function and easier service, especially in buried service with use of optional Service-Access Extension available either preassembled with valve or as an add-on kit. Replaceable internal flapper assembly with EPDM Seat. Service-Access Extension available either preassembled with valve, as an add-on kit, or as valve & extension kit components with user supplied pipe. Direct Connection to ASTM D 2665 PVC DWV or other IPS size pipe. Pressure Rated to 43 psi (100 feet of head) @ 73¦F (23¦C). Conforms to ASME/ANSI A112.14.1 for Backwater Valves. Dimensional Specs & Internal View Here.

S475P-ECK Extension Kit for S475P

Extension kit for 4" Backwater valve. Does not include the valve. You will also need to supply the 4" pipe in the length needed to complete the assemble. This is just the kit to adapt the extension to the valve. When complete with valve, pipe and kit, it looks like this:

Riser pipe use: 8" Class 125 PVC OR 8" Sch 40 PVC
Sleeve pipe use: 5" Class 125 PVC OR 5" Sch 40 PVC OR 6" D3034 (SDR 35) OR PVC Sewer Pipe

Click here for a diagram

S675P BackFlow Flapper Valve 6inch

New Item 6" Back flow Valve. Backwater Valves are designed to prevent backflow in numerous applications where easy service access for maintenance and cleaning is needed. Excellent for use in sanitary or storm sewer drainage systems to prevent waste back up due to inadequate drainage, for balancing multi-level ponds, aquaculture features or storage tank systems, and many other applications. Contains NO METAL, so this is safe for saltwater and reef systems. Backwater Valves have been engineered for improved function and easier service, especially in buried service with use of optional Service-Access Extension available either preassembled with valve or as an add-on kit. Replaceable internal flapper assembly with EPDM Seat. Service-Access Extension available either preassembled with valve, as an add-on kit, or as valve & extension kit components with user supplied pipe. Direct Connection to ASTM D 2665 PVC DWV or other IPS size pipe. Pressure Rated to 43 psi (100 feet of head) @ 73¦F (23¦C). Conforms to ASME/ANSI A112.14.1 for Backwater Valves. Dimensional Specs & Internal View Here.

S675P-ECK Extension Kit for S675P

Extension kit for 6" Backwater valve. Does not include the valve. You will also need to supply the 6" pipe in the length needed to complete the assemble. This is just the kit to adapt the extension to the valve. When complete with valve, pipe and kit, it looks like this:

Riser pipe use: 10" Class 125 PVC OR 10" Sch 40 PVC
Sleeve pipe use: 8" Class 125 PVC OR 8" Sch 40 PVC

Click here for a diagram

0801-20 Econmy Swing Check Valve

2" Swing Check Valve. (Flapper) Perfect back flow prevention valve for expensive heat exchangers and other harsh environment situations. Full flow. Very heavy duty fitting. Spring assisted flapper valve, glass-filled noryl injection molded shart, 100% silicone gasket and clear serviceable lid.can be installed in any orientation. 100% positive seal. 2" slip socket/2.5" spigot. White color with clear lid.

0801-20H Corrosion Resistant Check

2" Corrosion Resistant Swing Check Valve. (Flapper) Perfect back flow prevention valve for expensive heat exchangers and other harsh environment situations. Full flow. Very heavy duty fitting. Hastelloy Spring assisted flapper valve, glass-filled noryl injection molded shart, 100% silicone gasket and clear serviceable lid.can be installed in any orientation. 100% positive seal. 2" slip socket/2.5" spigot. White color with clear lid. Limited to stock on hand (low stock)

0802-20 Magna Check Valve Black

2" Magna Swing Check Valve. (Flapper) Spring loaded back flow prevention valve equiped with super strong water conditioning neodymium-Iron-Boron magnets. (12,500 gauss) Full flow. Very heavy duty fitting. 100% silicone gasket (never needs lubrication) and clear serviceable lid. Can be installed in any orientation. 100% positive seal. 2" slip socket/2.5" spigot. Black cpvc body with clear lid.

0802-20H Magna Check Valve Black

2" Magna Swing Check Valve. (Flapper) Spring loaded back flow prevention valve equiped with super strong water conditioning neodymium-Iron-Boron magnets. (12,500 gauss) Full flow. Very heavy duty fitting. Hastelloy Spring assisted flapper valve, Corrosion Resistant. 100% silicone gasket (never needs lubrication) and clear serviceable lid. Can be installed in any orientation. 100% positive seal. 2" slip socket/2.5" spigot. Black cpvc body with clear lid. SPECIAL ORDER: Hastelloy spring version for corrosion resistant applications.