Y-check valves 6.18 in D
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![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
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![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
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![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
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![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
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![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
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![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
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![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
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![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
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![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
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![Hayward YC10400T 4" PVC 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_5fe73798-e7ce-46ed-b095-05e7290a922f_medium.png?v=1719990483)
YC10400T | 4" PVC Y-Check Valve w / FPM o-ring seat and seal; threaded end connections | Hayward
Brand: Hayward
SKU: YC10400T
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