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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 7

Watts Double Check Valve, Watts709, 6in, 16inH LF709-NRS
Watts

Double Check Valve, Watts709, 6in, 16inH

Zoro # G2199480
Mfr # LF709-NRS
product price:  $10,230.99
/ea
Wilkins Reduced Pressure Principle Backflow Prev 34-375XLFT
Wilkins

Reduced Pressure Principle Backflow Prev

Zoro # G7513254
Mfr # 34-375XLFT
product price:  $929.99
/ea
Wilkins Reduced Pressure Principle Backflow Prev 3-375AST
Wilkins

Reduced Pressure Principle Backflow Prev

Zoro # G7504635
Mfr # 3-375AST
product price:  $5,917.99
/ea
Watts 3/4 IN Lead Free Double Check Valve Backflow Preventer Assembly T063231
Watts

3/4 IN Lead Free Double Check Valve Backflow Preventer Assembly

Zoro # G916500998
Mfr # T063231
product price:  $493.99
/ea
Watts Backflow Preventer, Size 2", 125 psi 2 LF288AM2
Watts

Backflow Preventer, Size 2", 125 psi

Zoro # G805303723
Mfr # 2 LF288AM2
product price:  $1,327.99
/ea
Jones Stephens 3in. ABS Backwater Valve B05300
Jones Stephens

3in. ABS Backwater Valve

Zoro # G112105430
Mfr # B05300
product price:  $34.39
/ea
Wilkins W/Cfm Meter 2"975Xlhbm 2-975XLHBMCFM
Wilkins

W/Cfm Meter 2"975Xlhbm

Zoro # G7736992
Mfr # 2-975XLHBMCFM
product price:  $4,984.99
/ea
Wilkins Reduced Pressure Principle Backflow Prev 1-975XL2SEU
Wilkins

Reduced Pressure Principle Backflow Prev

Zoro # G7738103
Mfr # 1-975XL2SEU
product price:  $1,890.99
/ea
Watts Double check backflow preventer 1/2 LF007-QT-S-FZ
Watts

Double check backflow preventer

Zoro # G311854252
Mfr # 1/2 LF007-QT-S-FZ
product price:  $676.99
/ea
Watts DoubleCheckValve, W709, 2-1/2in, NRSShutoff LF709-NRS
Watts

DoubleCheckValve, W709, 2-1/2in, NRSShutoff

Zoro # G2199517
Mfr # LF709-NRS
product price:  $4,655.99
/ea
No Product Image Available
Wilkins

Double Check Backflow Preventer, Bronze

Zoro # G113342469
Mfr # 114-350XLFT
product price:  $861.99
/ea
Watts Reduced Pressure Zone Backflow Preventer 1 LF009M2-QT-FS
Watts

Reduced Pressure Zone Backflow Preventer

Zoro # G311853798
Mfr # 1 LF009M2-QT-FS
product price:  $961.99
/ea
Jones Stephens 2in. ABS Backwater Valve with Extension Kit and Cast Iron Lid B05200K
Jones Stephens

2in. ABS Backwater Valve with Extension Kit and Cast Iron Lid

Zoro # G112105485
Mfr # B05200K
product price:  $64.49
/ea
Wilkins Lead Free 1/2" 375Xl W/Ft 12-375XLFT
Wilkins

Lead Free 1/2" 375Xl W/Ft

Zoro # G7738182
Mfr # 12-375XLFT
product price:  $910.99
/ea
Jones Stephens 1-1/2in. ABS Backwater Valve with Extension Kit and Cast Iron Lid B05150K
Jones Stephens

1-1/2in. ABS Backwater Valve with Extension Kit and Cast Iron Lid

Zoro # G012105127
Mfr # B05150K
product price:  $65.49
/ea
Jones Stephens 3in. PVC Backwater Valve with Extension Kit and Plastic Lid B04301K
Jones Stephens

3in. PVC Backwater Valve with Extension Kit and Plastic Lid

Zoro # G212109895
Mfr # B04301K
product price:  $79.19
/ea
Watts 1 1/2 In Lead Free Reduced Pressure Zone Backflow Preventer Assembly 88004114
Watts

1 1/2 In Lead Free Reduced Pressure Zone Backflow Preventer Assembly

Zoro # G712414895
Mfr # 88004114
product price:  $1,504.77
/ea
Watts DoubleCheckDetector, 709DCDA, 4in, Flanged 709DCDA-OSY-GPM
Watts

DoubleCheckDetector, 709DCDA, 4in, Flanged

Zoro # G2199149
Mfr # 709DCDA-OSY-GPM
product price:  $8,292.99
/ea
Watts DoubleCheckDetector, 774Series 774DCDA-OSY-GPM
Watts

DoubleCheckDetector, 774Series

Zoro # G2199036
Mfr # 774DCDA-OSY-GPM
product price:  $5,783.99
/ea
Watts Double check backflow preventer 1/2LF007-QT-FZ-w/press
Watts

Double check backflow preventer

Zoro # G511853802
Mfr # 1/2LF007-QT-FZ-w/press
product price:  $539.99
/ea
Resideo Backflow Preventer. 1/2In NPT. 175 Psi M BP900
Resideo

Backflow Preventer. 1/2In NPT. 175 Psi M

Zoro # G716056428
Mfr # BP900
product price:  $83.29
/ea
Tool Time 58ABP .75 in. Backflow Preventer TO571449
Tool Time

58ABP .75 in. Backflow Preventer

Zoro # G803793038
Mfr # TO571449
product price:  $30.35
/ea
Wilkins Tcu Fast Test Lead Free 3/4" 975Xl2 34-975XL2TCUFT
Wilkins

Tcu Fast Test Lead Free 3/4" 975Xl2

Zoro # G8668430
Mfr # 34-975XL2TCUFT
product price:  $1,188.99
/ea
No Product Image Available
Apollo Valves

Double Check Backflow Preventer, 1 1/4 in

Zoro # G909534610
Mfr # 4A106A2F
product price:  $513.99
/ea
Wilkins Reduced Pressure Zone Backflow Preventer 2-375XL
Wilkins

Reduced Pressure Zone Backflow Preventer

Zoro # G5064421
Mfr # 2-375XL
product price:  $1,910.99
/ea
Apollo Valves Reduced Pressure Zone Backflow Preventer 4A207A2F
Apollo Valves

Reduced Pressure Zone Backflow Preventer

Zoro # G2874645
Mfr # 4A207A2F
product price:  $670.99
/ea
Wilkins Backflow Preventer, 2 in, FNPT 2-950XL3
Wilkins

Backflow Preventer, 2 in, FNPT

Zoro # G408230037
Mfr # 2-950XL3
product price:  $1,442.99
/ea
Watts Backflow Preventer, Size 2", 150 psi 2 800M4-QT
Watts

Backflow Preventer, Size 2", 150 psi

Zoro # G005303585
Mfr # 2 800M4-QT
product price:  $1,237.99
/ea
Watts Double Check Valve Assembly, 1 in. Size 1 LF007M1-QT-PRESS
Watts

Double Check Valve Assembly, 1 in. Size

Zoro # G3919732
Mfr # 1 LF007M1-QT-PRESS
product price:  $609.99
/ea
Watts Double Check Valve, Watts 719, 2in, FNPT LF719-QT-S
Watts

Double Check Valve, Watts 719, 2in, FNPT

Zoro # G1686645
Mfr # LF719-QT-S
product price:  $1,824.99
/ea
Wilkins Backflow Preventer, 1 in. Size, Bronze 1-375XLB
Wilkins

Backflow Preventer, 1 in. Size, Bronze

Zoro # G2373476
Mfr # 1-375XLB
product price:  $986.99
/ea
Watts Backflow Preventer, Size 1", 175 psi 1X1 LF7R10-U2
Watts

Backflow Preventer, Size 1", 175 psi

Zoro # G805303587
Mfr # 1X1 LF7R10-U2
product price:  $167.99
/ea
Watts Backflow Preventer, Size 3/4", 150 psi 3/8 LF7C
Watts

Backflow Preventer, Size 3/4", 150 psi

Zoro # G105303751
Mfr # 3/8 LF7C
product price:  $310.99
/ea
Watts Backflow Preventer, Size 3/4", 175 psi 3/4 9DS-M2
Watts

Backflow Preventer, Size 3/4", 175 psi

Zoro # G005303622
Mfr # 3/4 9DS-M2
product price:  $212.99
/ea
Watts 1 In Lead-Free Reduced Pressure Zone Backflow Preventer Assembly 0065373
Watts

1 In Lead-Free Reduced Pressure Zone Backflow Preventer Assembly

Zoro # G812414832
Mfr # 0065373
product price:  $668.99
/ea
Wilkins Reduced Pressure Principle Backflow Prev 4-375OSY
Wilkins

Reduced Pressure Principle Backflow Prev

Zoro # G7508950
Mfr # 4-375OSY
product price:  $8,379.99
/ea
Backflow Preventers (650 items) - Page 7
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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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4 in no hubwatts back-flow preventerbackflow check175 psi pressure switch1-1/2 in backflow preventer

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