Check valves 4 Size
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![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
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![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
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![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
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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 SW2400V 4" CPVC 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_9a4817c2-8d01-485b-b21d-280b07601971_medium.png?v=1720094316)
SW2400V | 4" CPVC Swing Check Valve w / FPM seals; flanged end connections | Hayward
Brand: Hayward
SKU: SW2400V
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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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![Hayward WCV1400V 4" PVC Wafer Full Pattern Check Valve - FPM o-ring | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/WCV_Series_Full_Pattern_Wafer_Check_Valves_Hero_ecom_dba6_12e37386-7e24-4448-9afc-2c385e8ce28e_medium.png?v=1719990458)
WCV1400V | 4" PVC Wafer Full Pattern Check Valve - FPM o-ring | Hayward
Brand: Hayward
SKU: WCV1400V
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![Hayward WCV1400E 4" PVC Wafer Full Pattern Check Valve - EPDM o-ring | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/WCV_Series_Full_Pattern_Wafer_Check_Valves_Hero_ecom_dba6_eef23183-5de6-4c63-a3a5-01a6e5c5fad8_medium.png?v=1719990458)
WCV1400E | 4" PVC Wafer Full Pattern Check Valve - EPDM o-ring | Hayward
Brand: Hayward
SKU: WCV1400E
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![Hayward WCV2400ES 4" CPVC Wafer Full Pattern Check Valve w/SS spring; EPDM o-ring | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/WCV_Series_Full_Pattern_Wafer_Check_Valves_Hero_ecom_dba6_e59c3f99-9e33-40d2-956f-04648e0ac443_medium.png?v=1720007079)
WCV2400ES | 4" CPVC Wafer Full Pattern Check Valve w / SS spring; EPDM o-ring | Hayward
Brand: Hayward
SKU: WCV2400ES
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![Hayward WCV2400E 4" CPVC Wafer Full Pattern Check Valve - EPDM o-ring | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/WCV_Series_Full_Pattern_Wafer_Check_Valves_Hero_ecom_dba6_495ba51a-82ae-4049-97af-bd9773ea11e6_medium.png?v=1719990442)
WCV2400E | 4" CPVC Wafer Full Pattern Check Valve - EPDM o-ring | Hayward
Brand: Hayward
SKU: WCV2400E
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![Hayward WCV2400V 4" CPVC Wafer Full Pattern Check Valve - FPM o-ring | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/WCV_Series_Full_Pattern_Wafer_Check_Valves_Hero_ecom_dba6_00c6fe35-5d8a-4bc0-84db-596aef1f3641_medium.png?v=1719990438)
WCV2400V | 4" CPVC Wafer Full Pattern Check Valve - FPM o-ring | Hayward
Brand: Hayward
SKU: WCV2400V
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