Valves 3/8 in Pipe size
We offer L Port, T Port, Bulkhead Fittings & Tank Accessories to Circulator Pumps, Flow Control Valves, and Pressure & Flow Control Valves- all for sale!
![Image for Backflow Prevention Valves](http://blackhawksupply.com/cdn/shop/files/530627_8210c8c7-d02d-4311-9401-d7fe0d080a26_100x.jpg?v=1717077941)
![Image for Check Valves](http://blackhawksupply.com/cdn/shop/collections/V_check_1_100x.jpg?v=1526053905)
![Image for Gas Ball Valves](http://blackhawksupply.com/cdn/shop/collections/V_gas_ball_valve_1_100x.jpg?v=1526052613)
![Image for Lead Free Valves](http://blackhawksupply.com/cdn/shop/collections/V_lead_free_1_910a1950-8796-45b9-896d-ef542205033b_100x.jpg?v=1526052564)
![Image for Mini Ball Valve](http://blackhawksupply.com/cdn/shop/collections/V_mini_1_100x.jpg?v=1526053087)
![Image for Pressure & Flow Control Valves](http://blackhawksupply.com/cdn/shop/files/CCS_20Series_20Family_95a18f05-9dd9-4b55-9f64-ff5e021c06ec_100x.png?v=1715612893)
![Image for Full Port Ball Valves](http://blackhawksupply.com/cdn/shop/collections/V_full_port_1_100x.jpg?v=1526052441)
![Image for Carbon Steel Valves](http://blackhawksupply.com/cdn/shop/collections/V_carbon_steel_1_100x.jpg?v=1526052490)
![Image for Stainless Steel Ball Valves](http://blackhawksupply.com/cdn/shop/collections/V_ss_ball_1_100x.jpg?v=1526052527)
![Image for Male x Female Ball Valves](http://blackhawksupply.com/cdn/shop/collections/V_male_female_1_100x.jpg?v=1526052878)
![Image for](http://blackhawksupply.com/cdn/shop/collections/V_3_way_1_100x.jpg?v=1526052942)
![Image for Stainless Steel Mini Ball Valves](http://blackhawksupply.com/cdn/shop/collections/V_ss_mini_1_100x.jpg?v=1526052985)
![Image for Chrome Plated Brass Mini Ball Valves](http://blackhawksupply.com/cdn/shop/collections/V_chrome_plated_1_100x.jpg?v=1526053025)
![Image for Y Strainers](http://blackhawksupply.com/cdn/shop/collections/V_y_1_100x.jpg?v=1526053191)
![Image for Swing Check Valves](http://blackhawksupply.com/cdn/shop/collections/V_swing_1_100x.jpg?v=1526053225)
![Image for Gate Valves](http://blackhawksupply.com/cdn/shop/collections/V_gate_1_100x.jpg?v=1526053260)
![Image for Misc Valves](http://blackhawksupply.com/cdn/shop/collections/V_misc_1_100x.jpg?v=1526053310)
![Image for Misc SS Valves](http://blackhawksupply.com/cdn/shop/collections/V_misc_ss_1_100x.jpg?v=1526053346)
![Image for Valves 2017](http://blackhawksupply.com/cdn/shop/collections/V_2017_valves_1_100x.jpg?v=1526053397)
![Image for Thermoplastic Valves](http://blackhawksupply.com/cdn/shop/files/TBH_Series_True_Union_Ball_Valves_Standard_Body_PVC_Socket_Manual_Hero_ecom_84dc_991095e7-8973-4b0f-a9da-e087c55b3a75_100x.png?v=1715613583)
![Image for PVC Valves](http://blackhawksupply.com/cdn/shop/collections/V_pvc_1_100x.jpg?v=1526053849)
![Image for Check Valves](http://blackhawksupply.com/cdn/shop/collections/V_check_1_100x.jpg?v=1526053905)
![Image for SS Check Valves](http://blackhawksupply.com/cdn/shop/collections/V_ss_check_1_100x.jpg?v=1526053946)
![Image for Marine Valves](http://blackhawksupply.com/cdn/shop/collections/V_marine_valves_1_100x.jpg?v=1526054038)
![Image for Valve Parts](http://blackhawksupply.com/cdn/shopifycloud/shopify/assets/no-image-100-c91dd4bdb56513f2cbf4fc15436ca35e9d4ecd014546c8d421b1aece861dfecf_100x.gif)
![Image for Hammer Arrestors](http://blackhawksupply.com/cdn/shop/files/253226_100x.jpg?v=1717077895)
![Image for Solenoid Valve Parts](http://blackhawksupply.com/cdn/shop/files/asco_22dab505-7480-430c-9a91-8366f327e781_100x.gif?v=1717077501)
![Image for Solenoid Valves and Coils](http://blackhawksupply.com/cdn/shop/files/212715_100x.jpg?v=1717077270)
![Image for Thermal Expansion Valves](http://blackhawksupply.com/cdn/shop/files/548950_3580076c-ed61-45d3-9964-e707b0fda85d_100x.jpg?v=1717079653)
![Image for Reversing Valves](http://blackhawksupply.com/cdn/shop/files/first-co_f34cda1e-322b-4f0b-9c16-ea0de71ffd97_100x.gif?v=1717078875)
View Details
![Hayward RPV2037TPV1 3/8" CPVC Pressure Relief Valve 10-150psi w/PTFE/FPM Diaphragm, NPT Ends | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RPV2025TPV1_a9f891f6-1af0-4d4b-9124-280e83006df0_medium.png?v=1715613411)
RPV2037TPV1 | 3 / 8" CPVC Pressure Relief Valve 10-150psi w / PTFE / FPM Diaphragm, NPT Ends | Hayward
Brand: Hayward
SKU: RPV2037TPV1
View Details
![Hayward RPV1037TPV1 3/8" PVC Pressure Relief Valve 10-150psi w/PTFE/FPM Diaphragm, NPT Ends | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RPV2025TPV1_642b4ead-025e-4b70-ad8f-e25430de6900_medium.png?v=1715613370)
RPV1037TPV1 | 3 / 8" PVC Pressure Relief Valve 10-150psi w / PTFE / FPM Diaphragm, NPT Ends | Hayward
Brand: Hayward
SKU: RPV1037TPV1
View Details
![Hayward PBV2037TPV1 3/8" CPVC Back Pressure Valve 10-150psi w/PTFE/FPM Diaphragm, NPT Ends | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PBV2025TPV1_medium.png?v=1715613261)
PBV2037TPV1 | 3 / 8" CPVC Back Pressure Valve 10-150psi w / PTFE / FPM Diaphragm, NPT Ends | Hayward
Brand: Hayward
SKU: PBV2037TPV1
View Details
![Hayward PBV1037TPV1 3/8" PVC Back Pressure Valve 10-150psi w/PTFE/FPM Diaphragm, NPT Ends | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PBV1025TPV1_medium.png?v=1715613262)
PBV1037TPV1 | 3 / 8" PVC Back Pressure Valve 10-150psi w / PTFE / FPM Diaphragm, NPT Ends | Hayward
Brand: Hayward
SKU: PBV1037TPV1
View Details
![Hayward RPV5037TPE1 3/8" PVDF Pressure Relief Valve 10-150psi w/PTFE/EPDM Diaphragm; NPT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RPV_Series_Pressure_Relief_Valves_Hero_ecom_3e3e_7b6a1006-f6f6-4788-ac6d-bbfffe608f8c_medium.png?v=1715613468)
RPV5037TPE1 | 3 / 8" PVDF Pressure Relief Valve 10-150psi w / PTFE / EPDM Diaphragm; NPT | Hayward
Brand: Hayward
SKU: RPV5037TPE1
View Details
![Hayward RPV3037TPE1 3/8" PP Pressure Relief Valve 10-150psi w/PTFE/EPDM Diaphragm; NPT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RPV_Series_Pressure_Relief_Valves_Hero_ecom_3e3e_3ad1bee9-5a64-4a56-af61-bccbeb0708bb_medium.png?v=1715613442)
RPV3037TPE1 | 3 / 8" PP Pressure Relief Valve 10-150psi w / PTFE / EPDM Diaphragm; NPT | Hayward
Brand: Hayward
SKU: RPV3037TPE1
View Details
![Hayward RPV2037TPE1 3/8" CPVC Pressure Relief Valve 10-150psi w/PTFE/EPDM Diaphragm; NPT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RPV_Series_Pressure_Relief_Valves_Hero_ecom_3e3e_d8c89173-2342-454a-807e-ab3979534ccc_medium.png?v=1715613339)
RPV2037TPE1 | 3 / 8" CPVC Pressure Relief Valve 10-150psi w / PTFE / EPDM Diaphragm; NPT | Hayward
Brand: Hayward
SKU: RPV2037TPE1
View Details
![Hayward RPV1037TPE1 3/8" PVC Pressure Relief Valve 10-150psi w/PTFE/EPDM Diaphragm; NPT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RPV_Series_Pressure_Relief_Valves_Hero_ecom_3e3e_dd84618b-88b9-45d0-bfea-e332bd90dfdc_medium.png?v=1715613423)
RPV1037TPE1 | 3 / 8" PVC Pressure Relief Valve 10-150psi w / PTFE / EPDM Diaphragm; NPT | Hayward
Brand: Hayward
SKU: RPV1037TPE1
View Details
![Hayward PBV5037TPE1 3/8" PVDF Back Pressure Valve 10-150psi w/PTFE/EPDM Diaphragm; NPT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PBV_Series_Back_Pressure_Valves_PVDF_FNPT_Hero_ecom_6d30_50892f02-5844-4040-95dd-994ed6a2d7c3_medium.png?v=1715613265)
PBV5037TPE1 | 3 / 8" PVDF Back Pressure Valve 10-150psi w / PTFE / EPDM Diaphragm; NPT | Hayward
Brand: Hayward
SKU: PBV5037TPE1
View Details
![Hayward PBV3037TPE1 3/8" PP Back Pressure Valve 10-150psi w/PTFE/EPDM Diaphragm; NPT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PBV_Series_Back_Pressure_Valves_Hero_ecom_3a63_fc95cde8-d0a7-41ee-b3cb-869f4c4359c4_medium.png?v=1715613265)
PBV3037TPE1 | 3 / 8" PP Back Pressure Valve 10-150psi w / PTFE / EPDM Diaphragm; NPT | Hayward
Brand: Hayward
SKU: PBV3037TPE1
View Details
![Hayward PBV2037TPE1 3/8" CPVC Back Pressure Valve 10-150psi w/PTFE/EPDM Diaphragm; NPT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PBV_Series_Back_Pressure_Valves_CPVC_FNPT_Hero_ecom_efab_1f5675ce-03c8-4fc8-be0a-c80c2f678015_medium.png?v=1715613276)
PBV2037TPE1 | 3 / 8" CPVC Back Pressure Valve 10-150psi w / PTFE / EPDM Diaphragm; NPT | Hayward
Brand: Hayward
SKU: PBV2037TPE1
View Details
![Hayward PBV1037TPE1 3/8" PVC Back Pressure Valve 10-150psi w/PTFE/EPDM Diaphragm; NPT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PBV_Series_Back_Pressure_Valves_PVC_FNPT_Hero_ecom_ff28_02df0e50-00e7-4b38-b064-b56bb4eb46a4_medium.png?v=1715613268)
PBV1037TPE1 | 3 / 8" PVC Back Pressure Valve 10-150psi w / PTFE / EPDM Diaphragm; NPT | Hayward
Brand: Hayward
SKU: PBV1037TPE1
View Details
![Hayward NVA5037T 3/8" PVDF Needle Valves w/FPM o-ring; PTFE seat; threaded end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/NVA_Series_Needle_Valves_Hero_ecom_3634_f59fef85-b88c-445b-9b55-ca5d49b1568b_medium.png?v=1715613250)
NVA5037T | 3 / 8" PVDF Needle Valves w / FPM o-ring; PTFE seat; threaded end connections | Hayward
Brand: Hayward
SKU: NVA5037T
View Details
![Hayward NVA4037T 3/8" GFPP Needle Valves w/FPM o-ring; PTFE seat; threaded end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/NVA_Series_Needle_Valves_Hero_ecom_3634_6efaab9e-ba91-400f-a0f4-2167062e0baf_medium.png?v=1715613254)
NVA4037T | 3 / 8" GFPP Needle Valves w / FPM o-ring; PTFE seat; threaded end connections | Hayward
Brand: Hayward
SKU: NVA4037T
View Details
![Hayward NVA2037T 3/8" CPVC Needle Valves w/FPM o-ring; PTFE seat; threaded end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/NVA_Series_Needle_Valves_Hero_ecom_3634_712ba912-310a-4e64-b1de-f67302cc0c46_medium.png?v=1715613270)
NVA2037T | 3 / 8" CPVC Needle Valves w / FPM o-ring; PTFE seat; threaded end connections | Hayward
Brand: Hayward
SKU: NVA2037T
View Details
![Hayward NVA1037T 3/8" PVC Needle Valves w/FPM o-ring; PTFE seat; threaded end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/NVA_Series_Needle_Valves_Hero_ecom_3634_2e9f6809-b41c-4900-a12b-79f314de8aaa_medium.png?v=1715613247)
NVA1037T | 3 / 8" PVC Needle Valves w / FPM o-ring; PTFE seat; threaded end connections | Hayward
Brand: Hayward
SKU: NVA1037T
Committed to customer satisfaction
as experts in Valves
Recently Viewed
Popular Products
View all →![Belimo ZS-100 Weather shield - galvaneal (13" L x 8" W x 6" D). | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ZS-100_ZS-101_Actuator_Accessory_38d7fd02-b94d-4c4f-a4a8-951e430e21de_large.png?v=1718728701)
ZS-100 | Weather shield - galvaneal (13" L x 8" W x 6" D). | Belimo
Brand: Belimo
SKU: ZS-100![Belimo EFB24-SR Damper Actuator | 270 in-lb | Spg Rtn | 24V | Modulating | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/EFB24-SR-product_retina_large.jpg?v=1714683328)
EFB24-SR | Damper Actuator | 270 in-lb | Spg Rtn | 24V | Modulating | Belimo
Brand: Belimo
SKU: EFB24-SR![Siemens GRD221.1U Damper Actuator | Spring Return | 120 VAC | On/Off | 30 lb-in | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/GRD221.1U_be742128-b9aa-462a-94cb-d2f797b66bf9_large.jpg?v=1718995518)
GRD221.1U | Damper Actuator | Spring Return | 120 VAC | On/Off | 30 lb-in | Siemens
Brand: Siemens
SKU: GRD221.1U![Veris EP2100S EP | Analog In | 3-15/0-20psi | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/EP2121S_edfe339f-cd49-4263-bfb4-73f12f370c0c_large.jpg?v=1708554831)
EP2100S | EP | Analog In | 3-15/0-20psi | Veris
Brand: Veris
SKU: EP2100S![Veris E51C2 Bi-Directional DIN Energy Meter | Modbus | Pulse Out | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/E50B1_133fa895-f07d-4e0c-903d-c666ee67875b_large.jpg?v=1719241877)
E51C2 | Bi-Directional DIN Energy Meter | Modbus | Pulse Out | Veris
Brand: Veris
SKU: E51C2![Saginaw SCE-36H3612LP NEMA 3R, 12, 4 | Nema 4 LP Enclosure, 36H x 36W x 12D | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/sce-36h3612lp_large.png?v=1692624116)
SCE-36H3612LP | NEMA 3R, 12, 4 | Nema 4 LP Enclosure, 36H x 36W x 12D | Saginaw
Brand: Saginaw
SKU: SCE-36H3612LP