Y-check valves 4 Size
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173B-040SR | 4 PVC TRUE UNION Y-PATTERN VALVE REINFORCED FEMALE THREAD FKM | (PG:620) Spears
Brand: Spears
SKU: 173B-040SR
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![Spears 1631-040CSR 4 CPVC Y-CHECK VALVE REINFORCED FEMALE THREAD FKM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/y-checkvalve_07ce07d8-bd53-4d1b-93c1-2d0761613671_medium.jpg?v=1720025327)
1631-040CSR | 4 CPVC Y-CHECK VALVE REINFORCED FEMALE THREAD FKM | (PG:629) Spears
Brand: Spears
SKU: 1631-040CSR
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![Spears 1631-040CLSR 4 PVC CLEAR Y-CHECK VALVE REINFORCED FEMALE THREAD FKM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/y-checkvalve_dece2a64-7db5-4672-8d57-31ab9ec53951_medium.jpg?v=1720025326)
1631-040CLSR | 4 PVC CLEAR Y-CHECK VALVE REINFORCED FEMALE THREAD FKM | (PG:628) Spears
Brand: Spears
SKU: 1631-040CLSR
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![Spears 1631-040SR 4 PVC Y-CHECK VALVE REINFORCED FEMALE THREAD FKM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/y-checkvalve_2d77de45-e4e2-4a0f-b493-687211a297d2_medium.jpg?v=1720025322)
1631-040SR | 4 PVC Y-CHECK VALVE REINFORCED FEMALE THREAD FKM | (PG:627) Spears
Brand: Spears
SKU: 1631-040SR
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![Spears 163B-040SR 4 PVC TRUE UNION Y-CHECK VALVE REINFORCED FEMALE THREAD FKM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/y-checkvalve_33b10cce-3ed8-42db-ba82-a6a910233271_medium.jpg?v=1720025317)
163B-040SR | 4 PVC TRUE UNION Y-CHECK VALVE REINFORCED FEMALE THREAD FKM | (PG:627) Spears
Brand: Spears
SKU: 163B-040SR
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![Spears 163B-040CSR 4 CPVC TRUE UNION Y-CHECK VALVE REINFORCED FEMALE THREAD FKM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/y-checkvalve_e8b5a9fb-0efa-42a3-9706-186b7b2b7229_medium.jpg?v=1720025313)
163B-040CSR | 4 CPVC TRUE UNION Y-CHECK VALVE REINFORCED FEMALE THREAD FKM | (PG:629) Spears
Brand: Spears
SKU: 163B-040CSR
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![Spears 163B-040CLSR 4 PVC CLEAR TRUE UNION Y-CHECK VALVE REINFORCED FEMALE THREAD FKM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/y-checkvalve_6291e4e1-0e13-4e38-814a-d0e93dece946_medium.jpg?v=1720025311)
163B-040CLSR | 4 PVC CLEAR TRUE UNION Y-CHECK VALVE REINFORCED FEMALE THREAD FKM | (PG:628) Spears
Brand: Spears
SKU: 163B-040CLSR
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![Spears 1621-040SR 4 PVC Y-CHECK VALVE REINFORCED FEMALE THREAD EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/y-checkvalve_9bcbe7ca-f10a-4b2e-98b0-56bca915252c_medium.jpg?v=1720025295)
1621-040SR | 4 PVC Y-CHECK VALVE REINFORCED FEMALE THREAD EPDM | (PG:627) Spears
Brand: Spears
SKU: 1621-040SR
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![Spears 1621-040CLSR 4 PVC CLEAR Y-CHECK VALVE REINFORCED FEMALE THREAD EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/y-checkvalve_980afe4a-ae95-4480-b836-756dfc0b557b_medium.jpg?v=1720025285)
1621-040CLSR | 4 PVC CLEAR Y-CHECK VALVE REINFORCED FEMALE THREAD EPDM | (PG:628) Spears
Brand: Spears
SKU: 1621-040CLSR
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![Spears 1621-040CSR 4 CPVC Y-CHECK VALVE REINFORCED FEMALE THREAD EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/y-checkvalve_7031b41c-4d3a-4f59-b000-ac053229c1d3_medium.jpg?v=1720025284)
1621-040CSR | 4 CPVC Y-CHECK VALVE REINFORCED FEMALE THREAD EPDM | (PG:629) Spears
Brand: Spears
SKU: 1621-040CSR
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![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
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![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
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![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
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![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
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![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
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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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