Check valves 4 in Pipe size
View Details
![Hayward YC20400TEU 4" CPVC True Union Y-Check Valve w/EPDM o-ring seal, threaded end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/YC_Series_Y_Check_Valves_Hero_ecom_7f4d_92696dde-5977-4510-a8ff-6a0a1dd5f706_medium.png?v=1719990508)
YC20400TEU | 4" CPVC True Union Y-Check Valve w / EPDM o-ring seal, threaded end connections | Hayward
Brand: Hayward
SKU: YC20400TEU
View Details
![Hayward YC20400FE 4" CPVC Y-Check Valve w/EPDM o-ring seat and seal; flanged end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/YC_Series_Y_Check_Valves_Hero_ecom_7f4d_38cd0207-268d-413c-aed1-38ef48e3a997_medium.png?v=1719990508)
YC20400FE | 4" CPVC Y-Check Valve w / EPDM o-ring seat and seal; flanged end connections | Hayward
Brand: Hayward
SKU: YC20400FE
View Details
![Hayward TC2400TE 4" CPVC True Union Ball Check Valves w/EPDM o-rings; threaded end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/TC_Series_True_Union_Ball_Check_Valves_Hero_ecom_f0c1_2c6c9008-bf13-45fe-987e-0ea262bd192d_medium.png?v=1719990365)
TC2400TE | 4" CPVC True Union Ball Check Valves w / EPDM o-rings; threaded end connections | Hayward
Brand: Hayward
SKU: TC2400TE
View Details
![Hayward TC1400FE 4" PVC True Union Ball Check Valves w/EPDM o-rings; flanged end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/TC_Series_True_Union_Ball_Check_Valves_Hero_ecom_f0c1_d776c259-c9cc-4874-a816-d3b50f651df3_medium.png?v=1719990354)
TC1400FE | 4" PVC True Union Ball Check Valves w / EPDM o-rings; flanged end connections | Hayward
Brand: Hayward
SKU: TC1400FE
View Details
![Hayward TC2400FE 4" CPVC True Union Ball Check Valves w/EPDM o-rings; flanged end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/TC_Series_True_Union_Ball_Check_Valves_Hero_ecom_f0c1_13502316-79c2-4fdd-96b4-f3d4e11565fe_medium.png?v=1719990348)
TC2400FE | 4" CPVC True Union Ball Check Valves w / EPDM o-rings; flanged end connections | Hayward
Brand: Hayward
SKU: TC2400FE
View Details
![Hayward TC1400SE 4" PVC True Union Ball Check Valves w/EPDM o-rings; socket end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/TC_Series_True_Union_Ball_Check_Valves_Hero_ecom_f0c1_e75d3299-767c-4fe6-ab39-c39bc765e615_medium.png?v=1719990343)
TC1400SE | 4" PVC True Union Ball Check Valves w / EPDM o-rings; socket end connections | Hayward
Brand: Hayward
SKU: TC1400SE
View Details
![Hayward TC1400TE 4" PVC True Union Ball Check Valves w/EPDM o-rings; threaded end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/TC_Series_True_Union_Ball_Check_Valves_Hero_ecom_f0c1_92e7b7cd-1dc4-4f19-8030-e55c02626b0d_medium.png?v=1719990343)
TC1400TE | 4" PVC True Union Ball Check Valves w / EPDM o-rings; threaded end connections | Hayward
Brand: Hayward
SKU: TC1400TE
View Details
![Hayward TC2400S 4" CPVC True Union Ball Check Valves w/FPM o-rings; socket end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/TC_Series_True_Union_Ball_Check_Valves_Hero_ecom_f0c1_f589d021-94ab-4af2-b17c-548a95ceb8a7_medium.png?v=1719990343)
TC2400S | 4" CPVC True Union Ball Check Valves w / FPM o-rings; socket end connections | Hayward
Brand: Hayward
SKU: TC2400S
View Details
![Hayward TC2400SE 4" CPVC True Union Ball Check Valves w/EPDM o-rings; socket end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/TC_Series_True_Union_Ball_Check_Valves_Hero_ecom_f0c1_0dc7d673-4091-45cc-8e49-620eefb76c3a_medium.png?v=1719990344)
TC2400SE | 4" CPVC True Union Ball Check Valves w / EPDM o-rings; socket end connections | Hayward
Brand: Hayward
SKU: TC2400SE
View Details
![Hayward TC1400F 4" PVC True Union Ball Check Valves w/FPM o-rings; flanged end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/TC_Series_True_Union_Ball_Check_Valves_Hero_ecom_f0c1_df26bbd6-beca-4b1d-8728-a543e2491af8_medium.png?v=1719990381)
TC1400F | 4" PVC True Union Ball Check Valves w / FPM o-rings; flanged end connections | Hayward
Brand: Hayward
SKU: TC1400F
View Details
![Hayward WCV1400VH 4" PVC Wafer Full Pattern Check Valve w/ HASTELLOY spring; FPM o-ring | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/WCV_Series_Full_Pattern_Wafer_Check_Valves_Hero_ecom_dba6_df445f65-0ad6-45d8-aa8e-2e857285d72e_medium.png?v=1719990386)
WCV1400VH | 4" PVC Wafer Full Pattern Check Valve w / HASTELLOY spring; FPM o-ring | Hayward
Brand: Hayward
SKU: WCV1400VH
View Details
![Hayward TC2400F 4" CPVC True Union Ball Check Valves w/FPM o-rings; flanged end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/TC_Series_True_Union_Ball_Check_Valves_Hero_ecom_f0c1_c18a61eb-16c1-4d86-8bc2-4fc1eef9ae7e_medium.png?v=1719990385)
TC2400F | 4" CPVC True Union Ball Check Valves w / FPM o-rings; flanged end connections | Hayward
Brand: Hayward
SKU: TC2400F
View Details
![Hayward TC1400S 4" PVC True Union Ball Check Valves w/FPM o-rings; socket end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/TC_Series_True_Union_Ball_Check_Valves_Hero_ecom_f0c1_485ed8ea-c86f-4162-90e4-39da55f4b049_medium.png?v=1719990385)
TC1400S | 4" PVC True Union Ball Check Valves w / FPM o-rings; socket end connections | Hayward
Brand: Hayward
SKU: TC1400S
View Details
![Hayward SW1400V 4" PVC Swing Check Valve w/FPM seals; flanged end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SW_Series_Swing_Check_Valves_Hero_ecom_3c04_ccd5a235-0364-4965-b54d-21952dad55e0_medium.png?v=1719990255)
SW1400V | 4" PVC Swing Check Valve w / FPM seals; flanged end connections | Hayward
Brand: Hayward
SKU: SW1400V
View Details
![Hayward SW1400E 4" PVC Swing Check Valve w/EPDM seals; flanged end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SW_Series_Swing_Check_Valves_Hero_ecom_3c04_376592ad-1492-4e27-8242-03933c41dae0_medium.png?v=1719990215)
SW1400E | 4" PVC Swing Check Valve w / EPDM seals; flanged end connections | Hayward
Brand: Hayward
SKU: SW1400E
View Details
![Hayward SW4400E 4" GFPP Swing Check Valve w/EPDM seals; flanged end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SW_Series_Swing_Check_Valves_Hero_ecom_3c04_b7c8b20f-b12a-4da9-8d0f-9f4e6f2ca7f3_medium.png?v=1719990205)
SW4400E | 4" GFPP Swing Check Valve w / EPDM seals; flanged end connections | Hayward
Brand: Hayward
SKU: SW4400E
View Details
![Hayward SW4400V 4" GFPP Swing Check Valve w/FPM seals; flanged end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SW_Series_Swing_Check_Valves_Hero_ecom_3c04_medium.png?v=1719990199)
SW4400V | 4" GFPP Swing Check Valve w / FPM seals; flanged end connections | Hayward
Brand: Hayward
SKU: SW4400V
View Details
![Hayward SW1400VC 4" PVC Swing Check Valve w/FPM seals & counterweight; flanged end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SW_Series_Swing_Check_Valves_Hero_ecom_3c04_65f78825-c598-475d-aa06-275c6734a803_medium.png?v=1719990209)
SW1400VC | 4" PVC Swing Check Valve w / FPM seals & counterweight; flanged end connections | Hayward
Brand: Hayward
SKU: SW1400VC
View Details
![Hayward SW2400VC 4" CPVC Swing Check Valve w/FPM seals & counterweight; flanged end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SW_Series_Swing_Check_Valves_Hero_ecom_3c04_64f40ba2-1627-4334-9fde-48b8c958fd61_medium.png?v=1720094334)
SW2400VC | 4" CPVC Swing Check Valve w / FPM seals & counterweight; flanged end connections | Hayward
Brand: Hayward
SKU: SW2400VC
View Details
![Hayward SLC10400TE 4" PVC Spring-Loaded Y-Check Valve w/EPDM seal, threaded end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SLC_Series_Spring_Loaded_Y_Check_Valves_Hero_ecom_fc3f_8afe31e9-cc1a-457a-ba61-ba3d7a12e72e_medium.png?v=1720094335)
SLC10400TE | 4" PVC Spring-Loaded Y-Check Valve w / EPDM seal, threaded end connections | Hayward
Brand: Hayward
SKU: SLC10400TE
View Details
![Hayward SW2400E 4" CPVC Swing Check Valve w/EPDM seals; flanged end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SW_Series_Swing_Check_Valves_Hero_ecom_3c04_de5e2dea-3e2c-4bf7-b084-dc443dbf51a0_medium.png?v=1719990204)
SW2400E | 4" CPVC Swing Check Valve w / EPDM seals; flanged end connections | Hayward
Brand: Hayward
SKU: SW2400E
View Details
![Hayward SW1400EC 4" PVC Swing Check Valve w/EPDM seals & counterweight; flanged end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SW_Series_Swing_Check_Valves_Hero_ecom_3c04_37c08d83-4420-4601-87a2-b27ba5c6e3be_medium.png?v=1720094334)
SW1400EC | 4" PVC Swing Check Valve w / EPDM seals & counterweight; flanged end connections | Hayward
Brand: Hayward
SKU: SW1400EC
View Details
![Hayward SW2400EC 4" CPVC Swing Check Valve w/EPDM seals & counterweight; flanged end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SW_Series_Swing_Check_Valves_Hero_ecom_3c04_bdcfea2f-732b-41df-a1f1-066e30103ced_medium.png?v=1720094320)
SW2400EC | 4" CPVC Swing Check Valve w / EPDM seals & counterweight; flanged end connections | Hayward
Brand: Hayward
SKU: SW2400EC
Committed to customer satisfaction
as experts in Check Valves
Recently Viewed
Popular Products
View all →![Siemens GVD221.1U Damper Actuator | Spring Return | 120 VAC | On/Off | 200 lb-in | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/GVD221.1U_large.jpg?v=1720094536)
GVD221.1U | Damper Actuator | Spring Return | 120 VAC | On/Off | 200 lb-in | Siemens
Brand: Siemens
SKU: GVD221.1U![EWC Controls 4 URD 4 Inch Round Motorized Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sm_07e7adb7-d68b-443d-b241-d537040f9794_large.gif?v=1720094307)
4 URD | 4 Inch Round Motorized Damper | EWC Controls
Brand: EWC Controls
SKU: 4 URD![Johnson Controls P599VCPS107K 0 TO 750 PSIS PRESS; P599 PRESSURE TRANSDUCER WITH WIRE HARNESS KIT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/P599VCPS107K_9f97b865-c3e6-45aa-8efb-68f659a8d4f9_large.jpg?v=1719993481)
P599VCPS107K | 0 TO 750 PSIS PRESS; P599 PRESSURE TRANSDUCER WITH WIRE HARNESS KIT | Johnson Controls
Brand: Johnson Controls
SKU: P599VCPS107K![Taco 193-022RP X-Pump Control Panel | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/193-022rp-3_large.jpg?v=1720028868)
193-022RP | X-Pump Control Panel | Taco
Brand: Taco
SKU: 193-022RP![Viconics VH7270F1000 Humidistat | 0-10V Hum | Switched Dehum | Prprtnl High Lim | OutRst | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/VH7270F1000_large.jpg?v=1723901170)
VH7270F1000 | Humidistat | 0-10V Hum | Switched Dehum | Prprtnl High Lim | OutRst | Viconics
Brand: Viconics
SKU: VH7270F1000