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  1. Home
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  5. Pipes, Valves & Fittings
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  9. Backflow Preventers
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Backflow Preventers (648 items) - Page 15

Wilkins Dual Check Valve Assembly With Intermedi 12-760
Wilkins

Dual Check Valve Assembly With Intermedi

Zoro # G7737665
Mfr # 12-760
product price:  $145.99
/ea
Oatey ABS Backwater Valve, 4" 43905
Oatey

ABS Backwater Valve, 4"

Zoro # G7701307
Mfr # 43905
product price:  $56.49
/ea
Sold in mult. of 2 for $112.98
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:  $14,811.99
/ea
Oatey PVC Backwater Valve, 4" 43904
Oatey

PVC Backwater Valve, 4"

Zoro # G7712559
Mfr # 43904
product price:  $50.75
/ea
Sold in mult. of 2 for $101.50
Legend Valve 3" S-660 ABS BACKWATER VALVE 202-273
Legend Valve

3" S-660 ABS BACKWATER VALVE

Zoro # G2837548
Mfr # 202-273
product price:  $40.75
/ea
Wilkins W/Ubv Lead Free 1" 975Xl2 1-975XL2U
Wilkins

W/Ubv Lead Free 1" 975Xl2

Zoro # G7737683
Mfr # 1-975XL2U
product price:  $1,284.99
/ea
Watts 3/4in Backflow Preventor Reduced Press 3/4 LF909QT
Watts

3/4in Backflow Preventor Reduced Press

Zoro # G615700705
Mfr # 3/4 LF909QT
product price:  $2,902.99
/ea
Oatey ABS Backwater Valve, 3" 43901
Oatey

ABS Backwater Valve, 3"

Zoro # G7712498
Mfr # 43901
product price:  $51.29
/ea
Sold in mult. of 4 for $205.16
Wilkins Double Check Valve Backflow Preventer 8-350ASTDA
Wilkins

Double Check Valve Backflow Preventer

Zoro # G7737394
Mfr # 8-350ASTDA
product price:  $19,711.99
/ea
Watts 1.5 in back flow preventer F391011
Watts

1.5 in back flow preventer

Zoro # G516056420
Mfr # F391011
product price:  $4,734.99
/ea
Watts 1-1/4 In Lead-Free Reduced Pressure Zone Backflow Preventer Assembly 88004113
Watts

1-1/4 In Lead-Free Reduced Pressure Zone Backflow Preventer Assembly

Zoro # G912414916
Mfr # 88004113
product price:  $1,437.09
/ea
Wilkins Lead Free 2" 975Xl2Ft 2-975XL2FT
Wilkins

Lead Free 2" 975Xl2Ft

Zoro # G7737263
Mfr # 2-975XL2FT
product price:  $2,297.99
/ea
No Product Image Available
Watts

SHUTOFF VALVE

Zoro # G222824498
Mfr # F391012
product price:  $6,346.99
/ea
Wilkins FCIS 6in SS 375 NRS Gate Grv x Flg ZW206 Norm Op 6-FCISAST
Wilkins

FCIS 6in SS 375 NRS Gate Grv x Flg ZW206 Norm Op

Zoro # G615797170
Mfr # 6-FCISAST
product price:  $26,731.99
/ea
Wilkins FCIS 2in LF Bronze 975XL2 NPT ZW206 Norm Op 2-FCIS
Wilkins

FCIS 2in LF Bronze 975XL2 NPT ZW206 Norm Op

Zoro # G815819481
Mfr # 2-FCIS
product price:  $13,993.99
/ea
Wilkins Double Check Backflow Preventer 3-375
Wilkins

Double Check Backflow Preventer

Zoro # G7511172
Mfr # 3-375
product price:  $5,917.99
/ea
Wilkins Reduced Pressure Principle Backflow 2-975XL2U
Wilkins

Reduced Pressure Principle Backflow

Zoro # G7737735
Mfr # 2-975XL2U
product price:  $2,511.99
/ea
Wilkins W/Ubv Se Lead Free 3/4" 975Xl2 34-975XL2SEU
Wilkins

W/Ubv Se Lead Free 3/4" 975Xl2

Zoro # G8668701
Mfr # 34-975XL2SEU
product price:  $1,798.99
/ea
Wilkins Tc Up Lead Free 1" 975Xl2 1-975XL2TCU
Wilkins

Tc Up Lead Free 1" 975Xl2

Zoro # G7737169
Mfr # 1-975XL2TCU
product price:  $1,265.99
/ea
Watts 1/4 In Dual Check Valve Backflow Preventer With Atmospheric Port & Strainer, Female Npt 0061666
Watts

1/4 In Dual Check Valve Backflow Preventer With Atmospheric Port & Strainer, Female Npt

Zoro # G512414835
Mfr # 0061666
product price:  $740.99
/ea
Wilkins Reduced Pressure Principle Backflow Prev 1-375ST
Wilkins

Reduced Pressure Principle Backflow Prev

Zoro # G7737534
Mfr # 1-375ST
product price:  $4,010.99
/ea
Wilkins Double Check Backflow Preventer 6-350Ast 6-350ASTOSY
Wilkins

Double Check Backflow Preventer 6-350Ast

Zoro # G7505800
Mfr # 6-350ASTOSY
product price:  $9,619.99
/ea
No Product Image Available
Wilkins

Double Check Backflow Preventer

Zoro # G213342550
Mfr # 8-350A
product price:  $10,774.99
/ea
Watts 3/8 In Dual Check Valve Backflow Preventer, Sae Male Flare End Connections 0061655
Watts

3/8 In Dual Check Valve Backflow Preventer, Sae Male Flare End Connections

Zoro # G412414911
Mfr # 0061655
product price:  $240.10
/ea
Oatey ABS Backwater Valve, 6" 43909
Oatey

ABS Backwater Valve, 6"

Zoro # G7701289
Mfr # 43909
product price:  $209.99
/ea
Wilkins Reduced Pressure Principle Backflow Prev 4-375ASTOSY
Wilkins

Reduced Pressure Principle Backflow Prev

Zoro # G7508969
Mfr # 4-375ASTOSY
product price:  $8,379.99
/ea
Wilkins 2in 975 RP BFLY w/Switch NPT Y Pattern Non Potable 2-975XLBFSS
Wilkins

2in 975 RP BFLY w/Switch NPT Y Pattern Non Potable

Zoro # G115797182
Mfr # 2-975XLBFSS
product price:  $4,381.99
/ea
Wilkins Non-Potable 3/4" 975Xlft 34-975XLFT
Wilkins

Non-Potable 3/4" 975Xlft

Zoro # G8668421
Mfr # 34-975XLFT
product price:  $5,347.99
/ea
Wilkins Double Check Backflow Preventer 1-950Xlt 1-950XLT2FT
Wilkins

Double Check Backflow Preventer 1-950Xlt

Zoro # G7738289
Mfr # 1-950XLT2FT
product price:  $534.99
/ea
Wilkins FCIS 4in SS 375 NRS Gate Grv x Flg ZW206 Norm Op 4-FCISAST
Wilkins

FCIS 4in SS 375 NRS Gate Grv x Flg ZW206 Norm Op

Zoro # G615797163
Mfr # 4-FCISAST
product price:  $17,082.99
/ea
Wilkins L/Bv Dm Fast Test 1" 350Xl 1-350LXLDMFT
Wilkins

L/Bv Dm Fast Test 1" 350Xl

Zoro # G7738085
Mfr # 1-350LXLDMFT
product price:  $627.99
/ea
Thrifco Plumbing 12 Inch Anti-Siphon Frost Free Sillcock, 1/2 Inch MIP x 1/2 Inc 6417096
Thrifco Plumbing

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

Zoro # G709548183
Mfr # 6417096
product price:  $41.79
/ea
Zurn BACKFLOW PREVENTER QHWBP3
Zurn

BACKFLOW PREVENTER

Zoro # G015798821
Mfr # QHWBP3
product price:  $63.25
/ea
Wilkins Reduced Pressure Detector Backflow Preve 6-375DA
Wilkins

Reduced Pressure Detector Backflow Preve

Zoro # G7506324
Mfr # 6-375DA
product price:  $14,921.99
/ea
Wilkins Reduced Pressure Principle Backflow Prev 1-975XL2S
Wilkins

Reduced Pressure Principle Backflow Prev

Zoro # G7737482
Mfr # 1-975XL2S
product price:  $1,273.99
/ea
Oatey 3'' PVC Backwater Valve 43900
Oatey

3'' PVC Backwater Valve

Zoro # G221875422
Mfr # 43900
product price:  $43.19
/ea
Backflow Preventers (648 items) - Page 15
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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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double checkbackflow check preventer4 in backflow preventerbackflow preventersizehose connection vacuum breaker
4 in no hubwatts back-flow preventerbackflow check175 psi pressure switch1-1/2 in backflow preventer

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