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  1. Home
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  5. Pipes, Valves & Fittings
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  7. Valves
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  9. Backflow Preventers
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Backflow Preventers (650 items) - Page 5

Watts DoubleCheckDetector, 709DCDA, 6in, Flanged 709DCDA-OSY-GPM
Watts

DoubleCheckDetector, 709DCDA, 6in, Flanged

Zoro # G2199130
Mfr # 709DCDA-OSY-GPM
product price:  $12,411.99
/ea
Jones Stephens Sewer Relief Valve And C/O PVC Relief S62100
Jones Stephens

Sewer Relief Valve And C/O PVC Relief

Zoro # G5443258
Mfr # S62100
product price:  $52.75
/ea
Clean Check Backwater Valve, Slip Connection, 4" Pipe 97014
Clean Check

Backwater Valve, Slip Connection, 4" Pipe

Zoro # G4016719
Mfr # 97014
product price:  $327.77
/ea
Watts Reduced Pressure Zone Backflow Preventer 1/2 SS009M3QT
Watts

Reduced Pressure Zone Backflow Preventer

Zoro # G0711006
Mfr # 1/2 SS009M3QT
product price:  $2,749.99
/ea
Watts Backflow Preventer, Size 1", 175 psi 1 SS009-QT
Watts

Backflow Preventer, Size 1", 175 psi

Zoro # G905303616
Mfr # 1 SS009-QT
product price:  $5,187.99
/ea
Wilkins W/Ag-4 Lead Free 1" 975Xl2 1-975XL2AG
Wilkins

W/Ag-4 Lead Free 1" 975Xl2

Zoro # G7737379
Mfr # 1-975XL2AG
product price:  $894.99
/ea
Watts Lead Free .75 Backflow Preventer LF009M3QT .75
Watts

Lead Free .75 Backflow Preventer

Zoro # G515674083
Mfr # LF009M3QT .75
product price:  $727.99
/ea
Watts Anti-Siphon Backflow Preventer, Watts 008 1 LF 008PCQT-1"
Watts

Anti-Siphon Backflow Preventer, Watts 008

Zoro # G1310102
Mfr # 1 LF 008PCQT-1"
product price:  $901.99
/ea
Watts Anti-Siphon Backflow Preventer, 6 1/2" L 3/4 800M4-QT-FZ
Watts

Anti-Siphon Backflow Preventer, 6 1/2" L

Zoro # G810854364
Mfr # 3/4 800M4-QT-FZ
product price:  $324.65
/ea
Watts Double Check Detector, 007, 2in, FNPT 007M1DCDA-OSY-GPM
Watts

Double Check Detector, 007, 2in, FNPT

Zoro # G2199237
Mfr # 007M1DCDA-OSY-GPM
product price:  $5,977.99
/ea
Watts Backflow Preventor, 2-1/2" 2-1/2" LF009-OSY
Watts

Backflow Preventor, 2-1/2"

Zoro # G7270492
Mfr # 2-1/2" LF009-OSY
product price:  $4,418.99
/ea
Wilkins Backflow Preventer, 1/2 in. Size, Bronze 12-375XLB
Wilkins

Backflow Preventer, 1/2 in. Size, Bronze

Zoro # G2373491
Mfr # 12-375XLB
product price:  $471.99
/ea
Watts Double Check Valve, Watt774, 12in, Flanged 774-OSY
Watts

Double Check Valve, Watt774, 12in, Flanged

Zoro # G2199261
Mfr # 774-OSY
product price:  $33,218.99
/ea
Watts DoubleCheckValve, 709, 2-1/2in, OSYShutoffs LF709-OSY
Watts

DoubleCheckValve, 709, 2-1/2in, OSYShutoffs

Zoro # G2199456
Mfr # LF709-OSY
product price:  $4,919.99
/ea
Watts Backflow Preventer, Size 3/8", 150 psi 3/8 SD3-FN
Watts

Backflow Preventer, Size 3/8", 150 psi

Zoro # G605303688
Mfr # 3/8 SD3-FN
product price:  $391.99
/ea
Watts Double Check Valve Assembly, Watts 757 3 757 OSY
Watts

Double Check Valve Assembly, Watts 757

Zoro # G3348965
Mfr # 3 757 OSY
product price:  $4,355.99
/ea
Watts Double Check Valve, Watts 719, 3/4in, FNPT LF719-QT-S
Watts

Double Check Valve, Watts 719, 3/4in, FNPT

Zoro # G1686688
Mfr # LF719-QT-S
product price:  $733.99
/ea
Watts Backflow Preventer, Size 1 1/4", 175 psi 1 1/4 007M2-QT
Watts

Backflow Preventer, Size 1 1/4", 175 psi

Zoro # G705303649
Mfr # 1 1/4 007M2-QT
product price:  $970.99
/ea
Wilkins Backflow Preventer, 2 in, FNPT 2-950XLTDABFSS
Wilkins

Backflow Preventer, 2 in, FNPT

Zoro # G808230088
Mfr # 2-950XLTDABFSS
product price:  $4,195.99
/ea
Watts Double Check Detector, 774, 6in, ShortLayL 774DCDA-OSY-GPM
Watts

Double Check Detector, 774, 6in, ShortLayL

Zoro # G2199009
Mfr # 774DCDA-OSY-GPM
product price:  $9,153.99
/ea
Wilkins Double Check Detector Backflow Preventer 6-350ASTDA
Wilkins

Double Check Detector Backflow Preventer

Zoro # G7513412
Mfr # 6-350ASTDA
product price:  $11,202.99
/ea
Wilkins 2-950XLT2 - 2" 950XLT2 Double Check Backflow Preventer 2-950LXLT2
Wilkins

2-950XLT2 - 2" 950XLT2 Double Check Backflow Preventer

Zoro # G2390907
Mfr # 2-950LXLT2
product price:  $1,111.99
/ea
Wilkins W/Ag-4 Lead Free 3/4" 975Xl2 34-975XL2AG
Wilkins

W/Ag-4 Lead Free 3/4" 975Xl2

Zoro # G8667633
Mfr # 34-975XL2AG
product price:  $983.99
/ea
Watts 1 IN Lead Free Double Check Valve Backflow Preventer Assembly T063232
Watts

1 IN Lead Free Double Check Valve Backflow Preventer Assembly

Zoro # G316501007
Mfr # T063232
product price:  $575.13
/ea
Watts Backflow Preventer, High Investment Level 3/4 LF919-QT-S-FS
Watts

Backflow Preventer, High Investment Level

Zoro # G710090442
Mfr # 3/4 LF919-QT-S-FS
product price:  $1,428.99
/ea
Watts Dual Check with Vent, Watt9BD, 3/8in, Flare 9BD
Watts

Dual Check with Vent, Watt9BD, 3/8in, Flare

Zoro # G1686721
Mfr # 9BD
product price:  $637.65
/ea
Febco Reduced Pressure Zone Backflow Preventer 3/4 LF825YAQTRPFS
Febco

Reduced Pressure Zone Backflow Preventer

Zoro # G913990730
Mfr # 3/4 LF825YAQTRPFS
product price:  $1,138.99
/ea
Caleffi 573002A 1/2" Npt Inlet 573002A
Caleffi

573002A 1/2" Npt Inlet

Zoro # G6924785
Mfr # 573002A
product price:  $172.99
/ea
Wilkins Double Check Valve Assembly 2" 950Xl 2-950XL
Wilkins

Double Check Valve Assembly 2" 950Xl

Zoro # G7737823
Mfr # 2-950XL
product price:  $45,028.99
/ea
Watts 1 1/2 IN Lead Free Double Check Valve Backflow Preventer Assembly T063234
Watts

1 1/2 IN Lead Free Double Check Valve Backflow Preventer Assembly

Zoro # G516501012
Mfr # T063234
product price:  $1,065.99
/ea
Watts Hydrant Meter with Backflow Preventer 6000HMB Hydrant BFP
Watts

Hydrant Meter with Backflow Preventer

Zoro # G3101612
Mfr # 6000HMB Hydrant BFP
product price:  $9,572.99
/ea
Wilkins 2-375DA - 2" 375DA Reduced Pressure Detector Backflow Preventer 2-375DA
Wilkins

2-375DA - 2" 375DA Reduced Pressure Detector Backflow Preventer

Zoro # G2391920
Mfr # 2-375DA
product price:  $4,309.99
/ea
Watts Backflow Preventer, Size 1/2", 175 psi 1/2 LF009-QT-S
Watts

Backflow Preventer, Size 1/2", 175 psi

Zoro # G105303638
Mfr # 1/2 LF009-QT-S
product price:  $660.99
/ea
Watts Double Check Valve Assembly, Watts 757 21/2 757 OSY
Watts

Double Check Valve Assembly, Watts 757

Zoro # G0683584
Mfr # 21/2 757 OSY
product price:  $3,566.99
/ea
Watts Double Check Valve, Watts709, 6in, Flanged LF709-OSY
Watts

Double Check Valve, Watts709, 6in, Flanged

Zoro # G2199429
Mfr # LF709-OSY
product price:  $11,333.99
/ea
Wilkins Pressure Principle Backflow Preventer 6-375A
Wilkins

Pressure Principle Backflow Preventer

Zoro # G813342554
Mfr # 6-375A
product price:  $12,487.99
/ea
Backflow Preventers (650 items) - Page 5
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About Backflow Preventers

Backflow preventers are essential plumbing devices used to protect potable water systems from contamination and pollution caused by backflow of non-potable water or other substances. The backflow preventer ensures that the water flows in only one direction, preventing any backflow of water from the plumbing system back into the water supply.

Types of Backflow Preventers

There are various types of backflow preventers available in the market, including reduced pressure zone (RPZ), double check valve (DC), and pressure vacuum breaker (PVB). Each type of backflow preventer has its unique features, making them suitable for different applications. The selection of the type of backflow preventer depends on various factors such as pipe size, connection type, body material, series, maximum pressure, and temperature range.

How Backflow Preventers are Made

Backflow preventers are made of various materials such as brass, stainless steel, and plastic. The body of the backflow preventer is designed to provide a reliable, long-lasting, and leak-proof seal. The internal components, such as the check valves and relief valves, are made of rubber, neoprene, or similar materials to ensure they function correctly. Backflow preventers are manufactured using advanced technologies and tested to ensure they meet the required performance standards.

Industries that use Backflow Preventers

Backflow preventers are widely used in various industries, including residential, commercial, industrial, and institutional applications. Plumbing contractors, engineers, and building maintenance personnel frequently use backflow preventers to ensure the safety and integrity of the water supply. Some of the industries that commonly use backflow preventers include water treatment plants, food and beverage processing plants, hospitals, and laboratories.

Find the Backflow Preventers You Need at Zoro

Looking for a specific item? Use our robust search tool to find it by name or keyword, or use our handy filters to narrow down our full assortment. You can also check out our whole selection of plumbing tools & supplies, along with other equipment and essentials to ensure you have all you need to tackle the job, especially if you're taking on a DIY project for the first time.
Plus, when you shop at Zoro, you'll always enjoy competitive prices on tons of great brands you know and trust. We make the shopping experience as fast and seamless as possible with free shipping on orders over $50 for registered users, Net 30 payment terms for qualifying customers, and an unparalleled customer service experience.

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backflow checkdouble checkwatts back-flow preventer4 in no hub1 inch backflow

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