Y-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 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 SLC10400TEU 4" PVC Spring-Loaded True Union Y-Check Valve w/EPDM o-ring seal, threaded end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SLC_Series_Spring_Loaded_Y_Check_Valves_Hero_ecom_fc3f_118725a1-5922-4395-b2c0-fe3719288a91_medium.png?v=1720094312)
SLC10400TEU | 4" PVC Spring-Loaded True Union Y-Check Valve w / EPDM o-ring seal, threaded end connections | Hayward
Brand: Hayward
SKU: SLC10400TEU
View Details
![Hayward SLC10400SU 4" PVC Spring-Loaded True Union Y-Check Valve w/FPM o-ring seal, socket end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SLC_Series_Spring_Loaded_Y_Check_Valves_Hero_ecom_fc3f_fb4b65f5-84ce-43ec-ac10-8d4847f8e9de_medium.png?v=1719990163)
SLC10400SU | 4" PVC Spring-Loaded True Union Y-Check Valve w / FPM o-ring seal, socket end connections | Hayward
Brand: Hayward
SKU: SLC10400SU
View Details
![Hayward SLC10400T 4" PVC Spring-Loaded Y-Check Valve w/FPM seal, threaded end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SLC_Series_Spring_Loaded_Y_Check_Valves_Hero_ecom_fc3f_3c10036d-7512-4892-90d7-935282924f0e_medium.png?v=1719990161)
SLC10400T | 4" PVC Spring-Loaded Y-Check Valve w / FPM seal, threaded end connections | Hayward
Brand: Hayward
SKU: SLC10400T
View Details
![Hayward SLC10400SEU 4" PVC Spring-Loaded True Union Y-Check Valve w/EPDM o-ring seal, socket end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SLC_Series_Spring_Loaded_Y_Check_Valves_Hero_ecom_fc3f_efd2b6d3-ab20-4a79-9998-bd3acbb207fa_medium.png?v=1719990157)
SLC10400SEU | 4" PVC Spring-Loaded True Union Y-Check Valve w / EPDM o-ring seal, socket end connections | Hayward
Brand: Hayward
SKU: SLC10400SEU
View Details
![Hayward YC20400S 4" CPVC Y-Check Valve w/FPM o-ring seat and seal; socket end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/YC_Series_Y_Check_Valves_Hero_ecom_7f4d_3319235d-a784-41aa-8703-71c52ecb0c40_medium.png?v=1719990608)
YC20400S | 4" CPVC Y-Check Valve w / FPM o-ring seat and seal; socket end connections | Hayward
Brand: Hayward
SKU: YC20400S
View Details
![Hayward YC20400TU 4" CPVC True Union Y-Check Valve w/FPM o-ring seal, threaded end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/YC_Series_Y_Check_Valves_Hero_ecom_7f4d_78d1e61c-503f-4b0b-b44b-86c88624e6dc_medium.png?v=1719990558)
YC20400TU | 4" CPVC True Union Y-Check Valve w / FPM o-ring seal, threaded end connections | Hayward
Brand: Hayward
SKU: YC20400TU
View Details
![Hayward YC20400T 4" CPVC Y-Check Valve w/FPM o-ring seat and seal; threaded end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/YC_Series_Y_Check_Valves_Hero_ecom_7f4d_3e6dff69-6891-4bb9-a1da-dec600b1a6e6_medium.png?v=1719990549)
YC20400T | 4" CPVC Y-Check Valve w / FPM o-ring seat and seal; threaded end connections | Hayward
Brand: Hayward
SKU: YC20400T
View Details
![Hayward YC20400SU 4" CPVC True Union Y-Check Valve w/FPM o-ring seal, socket end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/YC_Series_Y_Check_Valves_Hero_ecom_7f4d_04faed39-ccf6-4010-8393-fad5098de81e_medium.png?v=1719990534)
YC20400SU | 4" CPVC True Union Y-Check Valve w / FPM o-ring seal, socket end connections | Hayward
Brand: Hayward
SKU: YC20400SU
View Details
![Hayward YC20400F 4" CPVC Y-Check Valve w/FPM o-ring seat and seal; flanged end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/YC_Series_Y_Check_Valves_Hero_ecom_7f4d_51593649-91a3-43ee-a433-80e0eecb398d_medium.png?v=1719990508)
YC20400F | 4" CPVC Y-Check Valve w / FPM o-ring seat and seal; flanged end connections | Hayward
Brand: Hayward
SKU: YC20400F
View Details
![Hayward YC20400SEU 4" CPVC True Union Y-Check Valve w/EPDM o-ring seal, socket end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/YC_Series_Y_Check_Valves_Hero_ecom_7f4d_149913df-055a-4f2f-835e-683426514296_medium.png?v=1719990508)
YC20400SEU | 4" CPVC True Union Y-Check Valve w / EPDM o-ring seal, socket end connections | Hayward
Brand: Hayward
SKU: YC20400SEU
View Details
![Hayward YC20400SE 4" CPVC Y-Check Valve w/EPDM o-ring seat and seal; socket end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/YC_Series_Y_Check_Valves_Hero_ecom_7f4d_2d799b4c-b96e-4fbc-b490-9fa32094ff25_medium.png?v=1719990504)
YC20400SE | 4" CPVC Y-Check Valve w / EPDM o-ring seat and seal; socket end connections | Hayward
Brand: Hayward
SKU: YC20400SE
View Details
![Hayward YC20400TE 4" CPVC Y-Check Valve w/EPDM o-ring seat and seal; threaded end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/YC_Series_Y_Check_Valves_Hero_ecom_7f4d_dbeca0dd-687e-47e3-a36c-9f4c3eab80db_medium.png?v=1719990503)
YC20400TE | 4" CPVC Y-Check Valve w / EPDM o-ring seat and seal; threaded end connections | Hayward
Brand: Hayward
SKU: YC20400TE
View Details
![Hayward YC10400SE 4" PVC Y-Check Valve w/EPDM o-ring seat and seal; socket end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/YC_Series_Y_Check_Valves_Hero_ecom_7f4d_7a973289-ec0d-420e-a2de-037988b1ec53_medium.png?v=1719990493)
YC10400SE | 4" PVC Y-Check Valve w / EPDM o-ring seat and seal; socket end connections | Hayward
Brand: Hayward
SKU: YC10400SE
View Details
![Hayward YC10400TU 4" PVC True Union Y-Check Valve w/FPM o-ring seal, threaded end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/YC_Series_Y_Check_Valves_Hero_ecom_7f4d_b033c8ec-73ef-4d39-8e2b-9ec1e92df17b_medium.png?v=1719990488)
YC10400TU | 4" PVC True Union Y-Check Valve w / FPM o-ring seal, threaded end connections | Hayward
Brand: Hayward
SKU: YC10400TU
View Details
![Hayward YC10400F 4" PVC Y-Check Valve w/FPM o-ring seat and seal; flanged end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/YC_Series_Y_Check_Valves_Hero_ecom_7f4d_e1878ca1-aeb5-4dc2-971f-6f3ec7cb4107_medium.png?v=1719990488)
YC10400F | 4" PVC Y-Check Valve w / FPM o-ring seat and seal; flanged end connections | Hayward
Brand: Hayward
SKU: YC10400F
View Details
![Hayward YC10400SEU 4" PVC True Union Y-Check Valve w/EPDM o-ring seal, socket end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/YC_Series_Y_Check_Valves_Hero_ecom_7f4d_8aa6eabd-be4b-40c7-9e00-b880d354a7ba_medium.png?v=1719990488)
YC10400SEU | 4" PVC True Union Y-Check Valve w / EPDM o-ring seal, socket end connections | Hayward
Brand: Hayward
SKU: YC10400SEU
View Details
![Hayward YC10400S 4" PVC Y-Check Valve w/FPM o-ring seat and seal; socket end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/YC_Series_Y_Check_Valves_Hero_ecom_7f4d_757c6100-c188-4588-babb-32069dc9abd0_medium.png?v=1719990483)
YC10400S | 4" PVC Y-Check Valve w / FPM o-ring seat and seal; socket end connections | Hayward
Brand: Hayward
SKU: YC10400S
View Details
![Hayward YC10400TE 4" PVC Y-Check Valve w/EPDM o-ring seat and seal; threaded end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/YC_Series_Y_Check_Valves_Hero_ecom_7f4d_43c40bf5-b577-485e-bb9b-7933d147ade6_medium.png?v=1719990483)
YC10400TE | 4" PVC Y-Check Valve w / EPDM o-ring seat and seal; threaded end connections | Hayward
Brand: Hayward
SKU: YC10400TE
View Details
![Hayward YC10400SU 4" PVC True Union Y-Check Valve w/FPM o-ring seal, socket end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/YC_Series_Y_Check_Valves_Hero_ecom_7f4d_987ccd56-a219-4747-b8cb-a7deaef33998_medium.png?v=1719990483)
YC10400SU | 4" PVC True Union Y-Check Valve w / FPM o-ring seal, socket end connections | Hayward
Brand: Hayward
SKU: YC10400SU
View Details
![Hayward YC10400FE 4" PVC 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_160d0876-d83c-4610-8536-830df61d2e20_medium.png?v=1719990483)
YC10400FE | 4" PVC Y-Check Valve w / EPDM o-ring seat and seal; flanged end connections | Hayward
Brand: Hayward
SKU: YC10400FE
12
Committed to customer satisfaction
as experts in Y-Check Valves
Recently Viewed
Popular Products
View all →![Belimo ZS-100 Weather shield - galvaneal (13" L x 8" W x 6" D). | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ZS-100_ZS-101_Actuator_Accessory_38d7fd02-b94d-4c4f-a4a8-951e430e21de_large.png?v=1718728701)
ZS-100 | Weather shield - galvaneal (13" L x 8" W x 6" D). | Belimo
Brand: Belimo
SKU: ZS-100![Functional Devices PSH600-UPS Enclosed UPS Interface board w/ 600VA UPS | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PSH600-UPS_large.jpg?v=1719987545)
PSH600-UPS | Enclosed UPS Interface board w/ 600VA UPS | Functional Devices
Brand: Functional Devices
SKU: PSH600-UPS![ACI TSENSE-LCD CO2/RH/TEMP, LCD, RELAY, BACNT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-tsense_12153699-a23d-423b-a6f0-a889b246d283_large.png?v=1719983166)
TSENSE-LCD | CO2/RH/TEMP, LCD, RELAY, BACNT | ACI
Brand: ACI
SKU: TSENSE-LCD![Belimo EFB24-SR Damper Actuator | 270 in-lb | Spg Rtn | 24V | Modulating | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/EFB24-SR-product_retina_d9dc7c54-3b39-4c68-a53b-80d3bdbc0508_large.jpg?v=1719985477)
EFB24-SR | Damper Actuator | 270 in-lb | Spg Rtn | 24V | Modulating | Belimo
Brand: Belimo
SKU: EFB24-SR![Siemens GRD221.1U Damper Actuator | Spring Return | 120 VAC | On/Off | 30 lb-in | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/GRD221.1U_large.jpg?v=1720023729)
GRD221.1U | Damper Actuator | Spring Return | 120 VAC | On/Off | 30 lb-in | Siemens
Brand: Siemens
SKU: GRD221.1U![Veris EP2100S EP | Analog In | 3-15/0-20psi | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/EP2121S_b5cdb5ef-84c6-424a-910b-1c0e494ebdc1_large.jpg?v=1720029722)
EP2100S | EP | Analog In | 3-15/0-20psi | Veris
Brand: Veris
SKU: EP2100S![Veris E51C2 Bi-Directional DIN Energy Meter | Modbus | Pulse Out | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/E50B1_ba38f752-2758-415d-9171-4b989d36e1e7_large.jpg?v=1720452238)
E51C2 | Bi-Directional DIN Energy Meter | Modbus | Pulse Out | Veris
Brand: Veris
SKU: E51C2