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  5. Pipes, Valves & Fittings
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  7. Valves
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  9. Backflow Preventers

Backflow Preventers (615 items) - Page 12

Wilkins Backflow Preventer, 3/4 in, FNPT 34-375S
Wilkins

Backflow Preventer, 3/4 in, FNPT

Zoro # G308230106
Mfr # 34-375S
product price: 
$775.99
/ea
Wilkins Backflow Preventer, 1 in, FNPT 1-350XLFT
Wilkins

Backflow Preventer, 1 in, FNPT

Zoro # G908230087
Mfr # 1-350XLFT
product price: 
$491.99
/ea
Spears Backwater Valve, 3 In., PVC, 120 Deg F S375P
Spears

Backwater Valve, 3 In., PVC, 120 Deg F

Zoro # G5065566
Mfr # S375P
product price: 
$162.60
/ea
Apollo Valves Double Check Valve Assembly, NPT 4ALF107A2
Apollo Valves

Double Check Valve Assembly, NPT

Zoro # G5190263
Mfr # 4ALF107A2
product price: 
$542.99
/ea
Watts Backflow Preventer, Size 1", 150 psi 1 LF800M4-FR
Watts

Backflow Preventer, Size 1", 150 psi

Zoro # G805303709
Mfr # 1 LF800M4-FR
product price: 
$658.99
/ea
Wilkins Backflow Preventer, 1 1/4 in, FMTC x FNPT 114UFMX1UF-700XL
Wilkins

Backflow Preventer, 1 1/4 in, FMTC x FNPT

Zoro # G508230104
Mfr # 114UFMX1UF-700XL
product price: 
$195.99
/ea
Wilkins Backflow Preventer, 1 1/2 in, FNPT 112-950XL3
Wilkins

Backflow Preventer, 1 1/2 in, FNPT

Zoro # G808230033
Mfr # 112-950XL3
product price: 
$1,279.99
/ea
Watts Check Valve, 2.125 in Overall L LF601 3/8
Watts

Check Valve, 2.125 in Overall L

Zoro # G205303699
Mfr # LF601 3/8
product price: 
$220.99
/ea
Wilkins Backflow Preventer, 3/4 in, FNPT 34-350XLFT
Wilkins

Backflow Preventer, 3/4 in, FNPT

Zoro # G708230065
Mfr # 34-350XLFT
product price: 
$448.99
/ea
Thrifco Plumbing 10 Inch Anti-Siphon Frost Free Sillcock, 1/2 Inch MIP x 1/2 Inc 6417095
Thrifco Plumbing

10 Inch Anti-Siphon Frost Free Sillcock, 1/2 Inch MIP x 1/2 Inc

Zoro # G309547609
Mfr # 6417095
product price: 
$37.15
/ea
Wilkins 3in 375 RP W/Wireless Monitor DI Body NRS Gates FLG X FLG 3-375W1
Wilkins

3in 375 RP W/Wireless Monitor DI Body NRS Gates FLG X FLG

Zoro # G315797159
Mfr # 3-375W1
product price: 
$6,844.99
/ea
Wilkins 1in 975XL2 w/ Relief Valve Monitor Switch Lead Free 1-975XL2MS
Wilkins

1in 975XL2 w/ Relief Valve Monitor Switch Lead Free

Zoro # G115797175
Mfr # 1-975XL2MS
product price: 
$2,895.99
/ea
Wilkins 10in 475 RP SS Body N Pattern NRS Gates Flng X Flng 10-475ST
Wilkins

10in 475 RP SS Body N Pattern NRS Gates Flng X Flng

Zoro # G215797150
Mfr # 10-475ST
product price: 
$47,516.99
/ea
Wilkins 2-1/2in 375 RP W/Wireless Monitor SS Body NRS Gates FLG X FLG 212-375ASTW1
Wilkins

2-1/2in 375 RP W/Wireless Monitor SS Body NRS Gates FLG X FLG

Zoro # G415797172
Mfr # 212-375ASTW1
product price: 
$6,689.99
/ea
Spears Backwater Valve, 3 In., PVC, 120 Deg F S375P-AK
Spears

Backwater Valve, 3 In., PVC, 120 Deg F

Zoro # G5065627
Mfr # S375P-AK
product price: 
$236.38
/ea
Wilkins Double Check Backflow Preventer 34-350Ft 34-350FT
Wilkins

Double Check Backflow Preventer 34-350Ft

Zoro # G7510070
Mfr # 34-350FT
product price: 
$317.99
/ea
Apollo Valves Air Gap Drain, FNPT AGD4A6
Apollo Valves

Air Gap Drain, FNPT

Zoro # G509534584
Mfr # AGD4A6
product price: 
$115.99
/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: 
$946.99
/ea
Wilkins FCIS 3in DI Body 375 NRS Gate Flg x Flg ZW206 Norm Op 3-FCIS
Wilkins

FCIS 3in DI Body 375 NRS Gate Flg x Flg ZW206 Norm Op

Zoro # G615797156
Mfr # 3-FCIS
product price: 
$14,367.63
/ea
Watts Anti-Siphon Backflow Preventer, 6 1/2" L 3/4 LF800M4-QT-FZ
Watts

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

Zoro # G710854358
Mfr # 3/4 LF800M4-QT-FZ
product price: 
$434.99
/ea
Wilkins Backflow Preventer, 2 in, FNPT 2-975XL2SAG
Wilkins

Backflow Preventer, 2 in, FNPT

Zoro # G408230082
Mfr # 2-975XL2SAG
product price: 
$2,804.99
/ea
Wilkins Backflow Preventer, 1-1/4" Size, 175 psi 114-350XL
Wilkins

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

Zoro # G3952827
Mfr # 114-350XL
product price: 
$1,192.99
/ea
Wilkins Backflow Preventer, 1 1/2 in, FNPT 112-975XL2SAG
Wilkins

Backflow Preventer, 1 1/2 in, FNPT

Zoro # G108230085
Mfr # 112-975XL2SAG
product price: 
$2,463.99
/ea
Watts Check Valve, 2 in Overall L LF6 1/2
Watts

Check Valve, 2 in Overall L

Zoro # G605303756
Mfr # LF6 1/2
product price: 
$152.99
/ea
Watts Double Check Valve, W719, 1-1/2in, 6-1/8inH LF719-QT-S
Watts

Double Check Valve, W719, 1-1/2in, 6-1/8inH

Zoro # G1686651
Mfr # LF719-QT-S
product price: 
$1,675.99
/ea
Watts Backflow Preventer, Size 1 1/2", 125 psi 1 1/2 LF288AM2
Watts

Backflow Preventer, Size 1 1/2", 125 psi

Zoro # G705303748
Mfr # 1 1/2 LF288AM2
product price: 
$904.99
/ea
Watts Backflow Preventer, Size 3/4", 150 psi 3/4 LF800M4-FR
Watts

Backflow Preventer, Size 3/4", 150 psi

Zoro # G105303713
Mfr # 3/4 LF800M4-FR
product price: 
$656.99
/ea
Wilkins Backflow Preventer, 1-1/2 in. Size, Bronze 112-375XLB
Wilkins

Backflow Preventer, 1-1/2 in. Size, Bronze

Zoro # G2373458
Mfr # 112-375XLB
product price: 
$1,689.99
/ea
Wilkins Backflow Preventer, 1 in, FNPT 1-975XL2SAG
Wilkins

Backflow Preventer, 1 in, FNPT

Zoro # G208230053
Mfr # 1-975XL2SAG
product price: 
$1,423.99
/ea
Watts Check Valve, 2.5 in Overall L LF6 3/4
Watts

Check Valve, 2.5 in Overall L

Zoro # G405303765
Mfr # LF6 3/4
product price: 
$199.99
/ea
Apollo Valves Reduced Pressure Zone Backflow Preventer 4A203A2F
Apollo Valves

Reduced Pressure Zone Backflow Preventer

Zoro # G009944180
Mfr # 4A203A2F
product price: 
$272.99
/ea
Watts Reduced Pressure Zone, 994, 10in, Flanged 994-NRS
Watts

Reduced Pressure Zone, 994, 10in, Flanged

Zoro # G2198911
Mfr # 994-NRS
product price: 
$23,865.99
/ea
Watts Double CheckValve, Watt774, 10in, 53-3/4inH 774-OSY
Watts

Double CheckValve, Watt774, 10in, 53-3/4inH

Zoro # G2199270
Mfr # 774-OSY
product price: 
$19,533.99
/ea
Watts Check Valve, 3 in Overall L LF6 1
Watts

Check Valve, 3 in Overall L

Zoro # G005303677
Mfr # LF6 1
product price: 
$183.59
/ea
Watts Double Check Valve, Watt774, 10in, Flanged 774-NRS
Watts

Double Check Valve, Watt774, 10in, Flanged

Zoro # G2199340
Mfr # 774-NRS
product price: 
$22,583.99
/ea
Watts Double Check Valve, Watts774, 8in, 26-11/16 774-NRS
Watts

Double Check Valve, Watts774, 8in, 26-11/16

Zoro # G2199359
Mfr # 774-NRS
product price: 
$16,153.99
/ea
Backflow Preventers (615 items) - Page 12
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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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watts series 009 3/41-1/2 in backflow preventerhose connection vacuum breaker1 inch backflowbackflow check preventer

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