Check valves 4.25 in H

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 YC20250SU 2-1/2" CPVC True Union Y-Check Valve w/FPM o-ring seal, socket end connections | Blackhawk Supply

YC20250SU | 2-1 / 2" CPVC True Union Y-Check Valve w / FPM o-ring seal, socket end connections | Hayward

Brand: Hayward

SKU: YC20250SU

Hayward YC20300S 3" CPVC Y-Check Valve w/FPM o-ring seat and seal; socket end connections | Blackhawk Supply

YC20300S | 3" CPVC Y-Check Valve w / FPM o-ring seat and seal; socket end connections | Hayward

Brand: Hayward

SKU: YC20300S

Hayward YC20300TU 3" CPVC True Union Y-Check Valve w/FPM o-ring seal, threaded end connections | Blackhawk Supply

YC20300TU | 3" CPVC True Union Y-Check Valve w / FPM o-ring seal, threaded end connections | Hayward

Brand: Hayward

SKU: YC20300TU

Hayward YC20300F 3" CPVC Y-Check Valve w/FPM o-ring seat and seal; flanged end connections | Blackhawk Supply

YC20300F | 3" CPVC Y-Check Valve w / FPM o-ring seat and seal; flanged end connections | Hayward

Brand: Hayward

SKU: YC20300F

Hayward YC20300SU 3" CPVC True Union Y-Check Valve w/FPM o-ring seal, socket end connections | Blackhawk Supply

YC20300SU | 3" CPVC True Union Y-Check Valve w / FPM o-ring seal, socket end connections | Hayward

Brand: Hayward

SKU: YC20300SU

Hayward YC20250TU 2-1/2" CPVC True Union Y-Check Valve w/FPM o-ring seal, threaded end connections | Blackhawk Supply

YC20250TU | 2-1 / 2" CPVC True Union Y-Check Valve w / FPM o-ring seal, threaded end connections | Hayward

Brand: Hayward

SKU: YC20250TU

Hayward YC20250F 2-1/2" CPVC Y-Check Valve w/FPM o-ring seat and seal; flanged end connections | Blackhawk Supply

YC20250F | 2-1 / 2" CPVC Y-Check Valve w / FPM o-ring seat and seal; flanged end connections | Hayward

Brand: Hayward

SKU: YC20250F

Hayward YC20250S 2-1/2" CPVC Y-Check Valve w/FPM o-ring seat and seal; socket end connections | Blackhawk Supply

YC20250S | 2-1 / 2" CPVC Y-Check Valve w / FPM o-ring seat and seal; socket end connections | Hayward

Brand: Hayward

SKU: YC20250S

Hayward YC20250T 2-1/2" CPVC Y-Check Valve w/FPM o-ring seat and seal; threaded end connections | Blackhawk Supply

YC20250T | 2-1 / 2" CPVC Y-Check Valve w / FPM o-ring seat and seal; threaded end connections | Hayward

Brand: Hayward

SKU: YC20250T

Hayward YC10250SU 2-1/2" PVC True Union Y-Check Valve w/FPM o-ring seal, socket end connections | Blackhawk Supply

YC10250SU | 2-1 / 2" PVC True Union Y-Check Valve w / FPM o-ring seal, socket end connections | Hayward

Brand: Hayward

SKU: YC10250SU

Hayward YC20300T 3" CPVC Y-Check Valve w/FPM o-ring seat and seal; threaded end connections | Blackhawk Supply

YC20300T | 3" CPVC Y-Check Valve w / FPM o-ring seat and seal; threaded end connections | Hayward

Brand: Hayward

SKU: YC20300T

Hayward YC10300S 3" PVC Y-Check Valve w/FPM o-ring seat and seal; socket end connections | Blackhawk Supply

YC10300S | 3" PVC Y-Check Valve w / FPM o-ring seat and seal; socket end connections | Hayward

Brand: Hayward

SKU: YC10300S

Hayward YC10300F 3" PVC Y-Check Valve w/FPM o-ring seat and seal; flanged end connections | Blackhawk Supply

YC10300F | 3" PVC Y-Check Valve w / FPM o-ring seat and seal; flanged end connections | Hayward

Brand: Hayward

SKU: YC10300F

Hayward YC10250T 2-1/2" PVC Y-Check Valve w/FPM o-ring seat and seal; threaded end connections | Blackhawk Supply

YC10250T | 2-1 / 2" PVC Y-Check Valve w / FPM o-ring seat and seal; threaded end connections | Hayward

Brand: Hayward

SKU: YC10250T

Hayward YC10300SU 3" PVC True Union Y-Check Valve w/FPM o-ring seal, socket end connections | Blackhawk Supply

YC10300SU | 3" PVC True Union Y-Check Valve w / FPM o-ring seal, socket end connections | Hayward

Brand: Hayward

SKU: YC10300SU

Hayward YC10250TU 2-1/2" PVC True Union Y-Check Valve w/FPM o-ring seal, threaded end connections | Blackhawk Supply

YC10250TU | 2-1 / 2" PVC True Union Y-Check Valve w / FPM o-ring seal, threaded end connections | Hayward

Brand: Hayward

SKU: YC10250TU

Hayward YC10300TU 3" PVC True Union Y-Check Valve w/FPM o-ring seal, threaded end connections | Blackhawk Supply

YC10300TU | 3" PVC True Union Y-Check Valve w / FPM o-ring seal, threaded end connections | Hayward

Brand: Hayward

SKU: YC10300TU

Hayward YC10300T 3" PVC Y-Check Valve w/FPM o-ring seat and seal; threaded end connections | Blackhawk Supply

YC10300T | 3" PVC Y-Check Valve w / FPM o-ring seat and seal; threaded end connections | Hayward

Brand: Hayward

SKU: YC10300T

Hayward YC10250S 2-1/2" PVC Y-Check Valve w/FPM o-ring seat and seal; socket end connections | Blackhawk Supply

YC10250S | 2-1 / 2" PVC Y-Check Valve w / FPM o-ring seat and seal; socket end connections | Hayward

Brand: Hayward

SKU: YC10250S

Hayward YC10250F 2-1/2" PVC Y-Check Valve w/FPM o-ring seat and seal; flanged end connections | Blackhawk Supply

YC10250F | 2-1 / 2" PVC Y-Check Valve w / FPM o-ring seat and seal; flanged end connections | Hayward

Brand: Hayward

SKU: YC10250F

Committed to customer satisfaction

as experts in Check Valves

Recently Viewed

Popular Products

View all →

Square D MA4IMA161 Surge protection module, Surgelogic, MA, 160kA, 480Y/277VAC, 3 phase, 4 wire, SPD type 1 | Blackhawk Supply

MA4IMA161 | Surge protection module, Surgelogic, MA, 160kA, 480Y/277VAC, 3 phase, 4 wire, SPD type 1 | Square D

Brand: Square D

SKU: MA4IMA161

Square D D325NR Safety switch, general duty, fusible, 400A, 3 poles, 125hp, 240VAC, NEMA 3R, neutral factory installed | Blackhawk Supply

D325NR | Safety switch, general duty, fusible, 400A, 3 poles, 125hp, 240VAC, NEMA 3R, neutral factory installed | Square D by Schneider Electric

Brand: Square D

SKU: D325NR

Keystone F89U-014 F89U-014 | Keystone (F89U-014 DA Actuator | 89U01401XXN14N2U00U34P0C) | Blackhawk Supply

F89U-014 | F89U-014 | Keystone (F89U-014 DA Actuator | 89U01401XXN14N2U00U34P0C) | Keystone

Brand: Keystone

SKU: F89U-014

Veris HW2XA2C RH,Wall,2%,Temp,1K Pt | Blackhawk Supply

HW2XA2C | RH, Wall, 2%, Temp, 1K Pt | Veris

Brand: Veris

SKU: HW2XA2C

Taco IU024Q6A1 Setpoint Actuator Head for Taco iSeries Mixing Valves | Blackhawk Supply

IU024Q6A1 | Setpoint Actuator Head for Taco iSeries Mixing Valves | Taco

Brand: Taco

SKU: IU024Q6A1

Square D BMXDRA1605 Discrete output module X80, 16 outputs, relay, 24 V DC or 24...240 V AC | Blackhawk Supply

BMXDRA1605 | Discrete output module X80, 16 outputs, relay, 24 V DC or 24...240 V AC | Square D

Brand: Square D

SKU: BMXDRA1605

Siemens 587-187 Room Temperature Sensor, Full HMI, For Use With Siemens Talon Controllers | Blackhawk Supply

587-187 | Room Temperature Sensor, Full HMI, For Use With Siemens Talon Controllers | Siemens

Brand: Siemens

SKU: 587-187

Johnson Controls P599VCPS105K 0 TO 500 PSIS PRESS; P599 PRESSURE TRANSDUCER WITH WIRE HARNESS KIT | Blackhawk Supply

P599VCPS105K | 0 TO 500 PSIS PRESS; P599 PRESSURE TRANSDUCER WITH WIRE HARNESS KIT | Johnson Controls

Brand: Johnson Controls

SKU: P599VCPS105K

The product has been added to cart.