Y-check valves 4 in Pipe size
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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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![Hayward YC10400TEU 4" PVC 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_ff37db08-095a-40c0-a787-85ddb46f620c_medium.png?v=1719990473)
YC10400TEU | 4" PVC True Union Y-Check Valve w / EPDM o-ring seal, threaded end connections | Hayward
Brand: Hayward
SKU: YC10400TEU
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