Hayward 4 in Pipe size
We offer over 4000 Hayward items, from bulkhead fittings and tank accessories to corrosion-resistant pumps, actuation systems, and more. Shop now!
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![Hayward BYXV040ORKITE 4" BYV VLV EPDM O-ring WS Kit | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/hayward_78b14a92-8460-4165-92a5-0310b3e21023_medium.png?v=1715612838)
BYXV040ORKITE | 4" BYV VLV EPDM O-ring WS Kit | Hayward
Brand: Hayward
SKU: BYXV040ORKITE
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![Hayward BYXV040KITV 4" BYV Valve FPM Liner & Seal Kit | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/hayward_75d23023-152b-4f73-a59d-f44ad808b442_medium.png?v=1715612851)
BYXV040KITV | 4" BYV Valve FPM Liner & Seal Kit | Hayward
Brand: Hayward
SKU: BYXV040KITV
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![Hayward BYXV040KITN 4" BYV Valve NITRILE Liner & Seal Kit | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/hayward_f2e571fb-d34a-44de-8b70-856118918eff_medium.png?v=1715612855)
BYXV040KITN | 4" BYV Valve NITRILE Liner & Seal Kit | Hayward
Brand: Hayward
SKU: BYXV040KITN
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![Hayward BYXV040KITE 4" BYV Valve EPDM Liner and Seal Kit | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/hayward_c3f3d2a6-3c14-40a3-953e-f9c0732f6ae6_medium.png?v=1715612872)
BYXV040KITE | 4" BYV Valve EPDM Liner and Seal Kit | Hayward
Brand: Hayward
SKU: BYXV040KITE
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![Hayward BYV44040A0NLI00 4" Butterfly Valve w/GFPP Body-Lugged; PP Disc; NITRILE liner & seals; lever operator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/BYV_Series_Butterfly_Valves_Hero_ecom_64fe_9b084769-516e-4c9b-bf52-bd1245e645b9_medium.png?v=1719989500)
BYV44040A0NLI00 | 4" Butterfly Valve w / GFPP Body-Lugged; PP Disc; NITRILE liner & seals; lever operator | Hayward
Brand: Hayward
SKU: BYV44040A0NLI00
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![Hayward BYV44040A0NL000 4" Butterfly Valve w/GFPP Body; PP Disc; NITRILE liner & seals; lever operator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/BYV_Series_Butterfly_Valves_GFPP_Body_non_Lugged_GFPP_Disc_4_in_Lever_Operated__1265_medium.png?v=1719989537)
BYV44040A0NL000 | 4" Butterfly Valve w / GFPP Body; PP Disc; NITRILE liner & seals; lever operator | Hayward
Brand: Hayward
SKU: BYV44040A0NL000
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![Hayward BYV44040A0NKI00 4" Butterfly Valve w/GFPP Body - Lugged; PP Disc; NITRILE liner & seals; actuation ready | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/BYV_Series_Butterfly_Valves_Hero_ecom_64fe_77f166ee-9eb3-4a00-88d5-dd3c38ae3a1b_medium.png?v=1719989509)
BYV44040A0NKI00 | 4" Butterfly Valve w / GFPP Body - Lugged; PP Disc; NITRILE liner & seals; actuation ready | Hayward
Brand: Hayward
SKU: BYV44040A0NKI00
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![Hayward BYV44040A0NK000 4" Butterfly Valve w/GFPP Body; PP Disc; NITRILE liner & seals; actuation ready | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/BYV_Series_Butterfly_Valves_Hero_ecom_64fe_b7a68b2a-7a9c-4ac8-999c-a69f77e8c642_medium.png?v=1719989537)
BYV44040A0NK000 | 4" Butterfly Valve w / GFPP Body; PP Disc; NITRILE liner & seals; actuation ready | Hayward
Brand: Hayward
SKU: BYV44040A0NK000
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![Hayward BYV44040A0NGI00 4" Butterfly Valve w/GFPP Body-Lugged; PP Disc; NITRILE liner & seals; gear operator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/BYV_Series_Butterfly_Valves_GFPP_Body_Lugged_GFPP_Disc_4_in_Gear_Operated_Hero__3031_d2ec6128-0937-4b1c-9025-8b720b5859ba_medium.png?v=1719989494)
BYV44040A0NGI00 | 4" Butterfly Valve w / GFPP Body-Lugged; PP Disc; NITRILE liner & seals; gear operator | Hayward
Brand: Hayward
SKU: BYV44040A0NGI00
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![Hayward BYV44040A0NG000 4" Butterfly Valve w/GFPP Body; PP Disc; NITRILE liner & seals; gear operator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/BYV_Series_Butterfly_Valves_GFPP_Body_non_Lugged_GFPP_Disc_4_in_Gear_Operated_H_0e52_96aaf67c-3402-4240-8ada-3c0c688448de_medium.png?v=1719989582)
BYV44040A0NG000 | 4" Butterfly Valve w / GFPP Body; PP Disc; NITRILE liner & seals; gear operator | Hayward
Brand: Hayward
SKU: BYV44040A0NG000
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![Hayward BYV44040A0ELI00 4" Butterfly Valve w/GFPP Body-Lugged; PP Disc; EPDM liner & seals; lever operator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/BYV_Series_Butterfly_Valves_Hero_ecom_64fe_0159546b-ba94-4a53-a2af-1991dea45e81_medium.png?v=1719989505)
BYV44040A0ELI00 | 4" Butterfly Valve w / GFPP Body-Lugged; PP Disc; EPDM liner & seals; lever operator | Hayward
Brand: Hayward
SKU: BYV44040A0ELI00
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![Hayward BYV44040A0EL000 4" Butterfly Valve w/GFPP Body; PP Disc; EPDM liner & seals; lever operator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/BYV_Series_Butterfly_Valves_GFPP_Body_non_Lugged_GFPP_Disc_4_in_Lever_Operated__1265_500789e2-0087-45b1-b075-15069d489a68_medium.png?v=1719989566)
BYV44040A0EL000 | 4" Butterfly Valve w / GFPP Body; PP Disc; EPDM liner & seals; lever operator | Hayward
Brand: Hayward
SKU: BYV44040A0EL000
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![Hayward BYV44040A0EKI00 4" Butterfly Valve w/GFPP Body - Lugged; PP Disc; EPDM liner & seals; Actuation ready | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/BYV_Series_Butterfly_Valves_Hero_ecom_64fe_60b0645b-ef26-479f-b63d-477c13786aaa_medium.png?v=1719989546)
BYV44040A0EKI00 | 4" Butterfly Valve w / GFPP Body - Lugged; PP Disc; EPDM liner & seals; Actuation ready | Hayward
Brand: Hayward
SKU: BYV44040A0EKI00
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![Hayward BYV44040A0EK000 4" Butterfly Valve w/GFPP Body; PP Disc; EPDM liner & seals; actuation ready | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/BYV_Series_Butterfly_Valves_Hero_ecom_64fe_bc439e7e-fbfa-48a0-aeab-96a0c1296484_medium.png?v=1719989520)
BYV44040A0EK000 | 4" Butterfly Valve w / GFPP Body; PP Disc; EPDM liner & seals; actuation ready | Hayward
Brand: Hayward
SKU: BYV44040A0EK000
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![Hayward BYV44040A0EGI00 4" Butterfly Valve w/GFPP Body-Lugged; PP Disc; EPDM liner & seals; gear operator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/BYV_Series_Butterfly_Valves_GFPP_Body_Lugged_GFPP_Disc_4_in_Gear_Operated_Hero__3031_812e4190-6ac3-4c48-8a91-0da620d6667c_medium.png?v=1719989531)
BYV44040A0EGI00 | 4" Butterfly Valve w / GFPP Body-Lugged; PP Disc; EPDM liner & seals; gear operator | Hayward
Brand: Hayward
SKU: BYV44040A0EGI00
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![Hayward BYV44040A0EG000 4" Butterfly Valve w/GFPP Body; PP Disc; EPDM liner & seals; gear operator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/BYV_Series_Butterfly_Valves_GFPP_Body_non_Lugged_GFPP_Disc_4_in_Gear_Operated_H_0e52_medium.png?v=1719989536)
BYV44040A0EG000 | 4" Butterfly Valve w / GFPP Body; PP Disc; EPDM liner & seals; gear operator | Hayward
Brand: Hayward
SKU: BYV44040A0EG000
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![Hayward BYV22040A0NLI00 4" Butterfly Valve w/CPVC Body-Lugged; CPVC Disc; NITRILE liner & seals; lever operator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/BYV_Series_Butterfly_Valves_Hero_ecom_64fe_806aa054-53c3-4983-8a1b-8ab995b110e9_medium.png?v=1719989520)
BYV22040A0NLI00 | 4" Butterfly Valve w / CPVC Body-Lugged; CPVC Disc; NITRILE liner & seals; lever operator | Hayward
Brand: Hayward
SKU: BYV22040A0NLI00
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![Hayward BYV22040A0NL000 4" Butterfly Valve w/CPVC Body; CPVC Disc; NITRILE liner & seals; lever operator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/BYV_Series_Butterfly_Valves_CPVC_Body_non_Lugged_CPVC_Disc_4_in_Lever_Operated__a49e_811c050a-0130-4d37-b566-7b5dfd4c5ff1_medium.png?v=1719989495)
BYV22040A0NL000 | 4" Butterfly Valve w / CPVC Body; CPVC Disc; NITRILE liner & seals; lever operator | Hayward
Brand: Hayward
SKU: BYV22040A0NL000
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![Hayward BYV22040A0NKI00 4" Butterfly Valve w/CPVC Body - Lugged; CPVC Disc; NITRILE liner & seals; Actuation ready | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/BYV_Series_Butterfly_Valves_Hero_ecom_64fe_509d45cb-054a-4b75-9a2c-fcbd756f72ff_medium.png?v=1719989490)
BYV22040A0NKI00 | 4" Butterfly Valve w / CPVC Body - Lugged; CPVC Disc; NITRILE liner & seals; Actuation ready | Hayward
Brand: Hayward
SKU: BYV22040A0NKI00
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![Hayward BYV22040A0NK000 4" Butterfly Valve w/CPVC Body; CPVC Disc; NITRILE liner & seals; actuation ready | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/BYV_Series_Butterfly_Valves_Hero_ecom_64fe_16cc9a50-0a9f-41e0-a1c6-7fe79e714ee7_medium.png?v=1719989504)
BYV22040A0NK000 | 4" Butterfly Valve w / CPVC Body; CPVC Disc; NITRILE liner & seals; actuation ready | Hayward
Brand: Hayward
SKU: BYV22040A0NK000
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![Hayward BYV22040A0NGI00 4" Butterfly Valve w/CPVC Body-Lugged; CPVC Disc; NITRILE liner & seals; gear operator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/BYV_Series_Butterfly_Valves_CPVC_Body_Lugged_CPVC_Disc_4_in_Gear_Operated_Hero__b27d_medium.png?v=1719989515)
BYV22040A0NGI00 | 4" Butterfly Valve w / CPVC Body-Lugged; CPVC Disc; NITRILE liner & seals; gear operator | Hayward
Brand: Hayward
SKU: BYV22040A0NGI00
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![Hayward BYV22040A0NG000 4" Butterfly Valve w/CPVC Body; CPVC Disc; NITRILE liner & seals; gear operator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/BYV_Series_Butterfly_Valves_CPVC_Body_non_Lugged_CPVC_Disc_4_in_Gear_Operated_H_2f34_5dd35848-9cbe-4d94-afa6-78279ae5ac7c_medium.png?v=1719989484)
BYV22040A0NG000 | 4" Butterfly Valve w / CPVC Body; CPVC Disc; NITRILE liner & seals; gear operator | Hayward
Brand: Hayward
SKU: BYV22040A0NG000
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![Hayward BYV22040A0ELI00 4" Butterfly Valve w/CPVC Body-Lugged; CPVC Disc; EPDM liner & seals; lever operator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/BYV_Series_Butterfly_Valves_Hero_ecom_64fe_a2682c99-0a7f-489b-a0e4-9f0e38099585_medium.png?v=1719989474)
BYV22040A0ELI00 | 4" Butterfly Valve w / CPVC Body-Lugged; CPVC Disc; EPDM liner & seals; lever operator | Hayward
Brand: Hayward
SKU: BYV22040A0ELI00
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![Hayward BYV22040A0EL000 4" Butterfly Valve w/CPVC Body; CPVC Disc; EPDM liner & seals; lever operator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/BYV_Series_Butterfly_Valves_CPVC_Body_non_Lugged_CPVC_Disc_4_in_Lever_Operated__a49e_medium.png?v=1719989499)
BYV22040A0EL000 | 4" Butterfly Valve w / CPVC Body; CPVC Disc; EPDM liner & seals; lever operator | Hayward
Brand: Hayward
SKU: BYV22040A0EL000
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