Check valves 3.75 in D

All Types

Image for Inline Check Valves

Inline Check Valves

Image for Repair Kits

Repair Kits

Image for Y-Check Valves

Y-Check Valves

Image for Swing Check Valves

Swing Check Valves

Image for Ball Check Valves

Ball Check Valves

Image for Brass Check Valves

Brass Check Valves

Image for Spring Check Valves

Spring Check Valves

Image for Stainless Steel Check Valves

Stainless Steel Check Valves

Image for Piston Check Valves

Piston Check Valves

Sort by

Hayward SW1300EC 3" PVC Swing Check Valve w/EPDM seals & counterweight; flanged end connections | Blackhawk Supply

SW1300EC | 3" PVC Swing Check Valve w / EPDM seals & counterweight; flanged end connections | Hayward

Brand: Hayward

SKU: SW1300EC

Hayward SW2300V 3" CPVC Swing Check Valve w/FPM seals; flanged end connections | Blackhawk Supply

SW2300V | 3" CPVC Swing Check Valve w / FPM seals; flanged end connections | Hayward

Brand: Hayward

SKU: SW2300V

Hayward SW1300E 3" PVC Swing Check Valve w/EPDM seals; flanged end connections | Blackhawk Supply

SW1300E | 3" PVC Swing Check Valve w / EPDM seals; flanged end connections | Hayward

Brand: Hayward

SKU: SW1300E

Hayward SLC10150TEU 1-1/2" PVC Spring-Loaded True Union Y-Check Valve w/EPDM o-ring seal, threaded end connections | Blackhawk Supply

SLC10150TEU | 1-1 / 2" PVC Spring-Loaded True Union Y-Check Valve w / EPDM o-ring seal, threaded end connections | Hayward

Brand: Hayward

SKU: SLC10150TEU

Hayward SW4300V 3" GFPP Swing Check Valve w/FPM seals; flanged end connections | Blackhawk Supply

SW4300V | 3" GFPP Swing Check Valve w / FPM seals; flanged end connections | Hayward

Brand: Hayward

SKU: SW4300V

Hayward SW1300V 3" PVC Swing Check Valve w/FPM seals; flanged end connections | Blackhawk Supply

SW1300V | 3" PVC Swing Check Valve w / FPM seals; flanged end connections | Hayward

Brand: Hayward

SKU: SW1300V

Hayward SW2300EC 3" CPVC Swing Check Valve w/EPDM seals & counterweight; flanged end connections | Blackhawk Supply

SW2300EC | 3" CPVC Swing Check Valve w / EPDM seals & counterweight; flanged end connections | Hayward

Brand: Hayward

SKU: SW2300EC

Hayward SW2300E 3" CPVC Swing Check Valve w/EPDM seals; flanged end connections | Blackhawk Supply

SW2300E | 3" CPVC Swing Check Valve w / EPDM seals; flanged end connections | Hayward

Brand: Hayward

SKU: SW2300E

Hayward SW2300VC 3" CPVC Swing Check Valve w/FPM seals & counterweight; flanged end connections | Blackhawk Supply

SW2300VC | 3" CPVC Swing Check Valve w / FPM seals & counterweight; flanged end connections | Hayward

Brand: Hayward

SKU: SW2300VC

Hayward SLC10200SEU 2" PVC Spring-Loaded True Union Y-Check Valve w/EPDM o-ring seal, socket end connections | Blackhawk Supply

SLC10200SEU | 2" PVC Spring-Loaded True Union Y-Check Valve w / EPDM o-ring seal, socket end connections | Hayward

Brand: Hayward

SKU: SLC10200SEU

Hayward SW1300VC 3" PVC Swing Check Valve w/FPM seals & counterweight; flanged end connections | Blackhawk Supply

SW1300VC | 3" PVC Swing Check Valve w / FPM seals & counterweight; flanged end connections | Hayward

Brand: Hayward

SKU: SW1300VC

Hayward SLC10200T 2" PVC Spring-Loaded Y-Check Valve w/FPM seal, threaded end connections | Blackhawk Supply

SLC10200T | 2" PVC Spring-Loaded Y-Check Valve w / FPM seal, threaded end connections | Hayward

Brand: Hayward

SKU: SLC10200T

Hayward SLC10150SU 1-1/2" PVC Spring-Loaded True Union Y-Check Valve w/FPM o-ring seal, socket end connections | Blackhawk Supply

SLC10150SU | 1-1 / 2" PVC Spring-Loaded True Union Y-Check Valve w / FPM o-ring seal, socket end connections | Hayward

Brand: Hayward

SKU: SLC10150SU

Hayward SLC10200TE 2" PVC Spring-Loaded Y-Check Valve w/EPDM seal, threaded end connections | Blackhawk Supply

SLC10200TE | 2" PVC Spring-Loaded Y-Check Valve w / EPDM seal, threaded end connections | Hayward

Brand: Hayward

SKU: SLC10200TE

Hayward SLC10200TEU 2" PVC Spring-Loaded True Union Y-Check Valve w/EPDM o-ring seal, threaded end connections | Blackhawk Supply

SLC10200TEU | 2" PVC Spring-Loaded True Union Y-Check Valve w / EPDM o-ring seal, threaded end connections | Hayward

Brand: Hayward

SKU: SLC10200TEU

Hayward SLC10150SEU 1-1/2" PVC Spring-Loaded True Union Y-Check Valve w/EPDM o-ring seal, socket end connections | Blackhawk Supply

SLC10150SEU | 1-1 / 2" PVC Spring-Loaded True Union Y-Check Valve w / EPDM o-ring seal, socket end connections | Hayward

Brand: Hayward

SKU: SLC10150SEU

Hayward SLC10200SU 2" PVC Spring-Loaded True Union Y-Check Valve w/FPM o-ring seal, socket end connections | Blackhawk Supply

SLC10200SU | 2" PVC Spring-Loaded True Union Y-Check Valve w / FPM o-ring seal, socket end connections | Hayward

Brand: Hayward

SKU: SLC10200SU

Hayward SLC10150TU 1-1/2" PVC Spring-Loaded True Union Y-Check Valve w/FPM o-ring seal, threaded end connections | Blackhawk Supply

SLC10150TU | 1-1 / 2" PVC Spring-Loaded True Union Y-Check Valve w / FPM o-ring seal, threaded end connections | Hayward

Brand: Hayward

SKU: SLC10150TU

Hayward SW4300E 3" GFPP Swing Check Valve w/EPDM seals; flanged end connections | Blackhawk Supply

SW4300E | 3" GFPP Swing Check Valve w / EPDM seals; flanged end connections | Hayward

Brand: Hayward

SKU: SW4300E

Hayward SLC10200TU 2" PVC Spring-Loaded True Union Y-Check Valve w/FPM o-ring seal, threaded end connections | Blackhawk Supply

SLC10200TU | 2" PVC Spring-Loaded True Union Y-Check Valve w / FPM o-ring seal, threaded end connections | Hayward

Brand: Hayward

SKU: SLC10200TU

Hayward YC20200T 2" CPVC Y-Check Valve w/FPM o-ring seat and seal; threaded end connections | Blackhawk Supply

YC20200T | 2" CPVC Y-Check Valve w / FPM o-ring seat and seal; threaded end connections | Hayward

Brand: Hayward

SKU: YC20200T

Hayward YC10200T 2" PVC Y-Check Valve w/FPM o-ring seat and seal; threaded end connections | Blackhawk Supply

YC10200T | 2" PVC Y-Check Valve w / FPM o-ring seat and seal; threaded end connections | Hayward

Brand: Hayward

SKU: YC10200T

Hayward YC20200F 2" CPVC Y-Check Valve w/FPM o-ring seat and seal; flanged end connections | Blackhawk Supply

YC20200F | 2" CPVC Y-Check Valve w / FPM o-ring seat and seal; flanged end connections | Hayward

Brand: Hayward

SKU: YC20200F

Hayward YC10200F 2" PVC Y-Check Valve w/FPM o-ring seat and seal; flanged end connections | Blackhawk Supply

YC10200F | 2" PVC Y-Check Valve w / FPM o-ring seat and seal; flanged end connections | Hayward

Brand: Hayward

SKU: YC10200F

12

Committed to customer satisfaction

as experts in Check Valves

Recently Viewed

Popular Products

Square D MA4IMA16 Surge Protection Module, IMA, 160kA, 480Y/277V AC, 3-Phase, 4-Wire, NEMA 2 | Blackhawk Supply

MA4IMA16 | Surge Protection Module, IMA, 160kA, 480Y/277V AC, 3-Phase, 4-Wire, NEMA 2 | Square D

Brand: Square D

SKU: MA4IMA16

iO HVAC Controls iO-WR-XR Extended Range wireless relay kit | Blackhawk Supply

iO-WR-XR | Extended Range wireless relay kit | iO HVAC Controls (OBSOLETE)

Brand: iO HVAC Controls

SKU: iO-WR-XR