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  1. Home
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  3. Plumbing
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  5. Pipes, Valves & Fittings
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  7. Valves
  8. /
  9. Backflow Preventers

Backflow Preventers (615 items) - Page 16

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 Reduced Pressure Principle Backflow Prev 1-375XLFT
Wilkins

Reduced Pressure Principle Backflow Prev

Zoro # G7737491
Mfr # 1-375XLFT
product price: 
$983.99
/ea
Kingston Brass KA821ORB Dishwasher Air Gap, Oil Rubbed Bronze KA821ORB
Kingston Brass

KA821ORB Dishwasher Air Gap, Oil Rubbed Bronze

Zoro # G602886597
Mfr # KA821ORB
product price: 
$52.99
/ea
Wilkins Lead Free 1/2" 975Xl2Tcu 12-975XL2TCU
Wilkins

Lead Free 1/2" 975Xl2Tcu

Zoro # G7736889
Mfr # 12-975XL2TCU
product price: 
$1,513.99
/ea
Kingston Brass KA831BB Dishwasher Air Gap, Brushed Brass KA831BB
Kingston Brass

KA831BB Dishwasher Air Gap, Brushed Brass

Zoro # G002886630
Mfr # KA831BB
product price: 
$57.15
/ea
Apollo Valves DC, GRV, 4in, 4SGLF100 SER, (OS&Y FLG X OS&Y FLG) 4SGLF10A03
Apollo Valves

DC, GRV, 4in, 4SGLF100 SER, (OS&Y FLG X OS&Y FLG)

Zoro # G222710852
Mfr # 4SGLF10A03
product price: 
$1,995.99
/ea
Kingston Brass K511SB Dishwasher Air Gap, Brushed Brass K511SB
Kingston Brass

K511SB Dishwasher Air Gap, Brushed Brass

Zoro # G502886628
Mfr # K511SB
product price: 
$41.11
/ea
Kingston Brass K511AB Dishwasher Air Gap, Antique Brass K511AB
Kingston Brass

K511AB Dishwasher Air Gap, Antique Brass

Zoro # G602886634
Mfr # K511AB
product price: 
$39.15
/ea
Kingston Brass K511ORB Dishwasher Air Gap, Oil Rubbed Bronze K511ORB
Kingston Brass

K511ORB Dishwasher Air Gap, Oil Rubbed Bronze

Zoro # G602886603
Mfr # K511ORB
product price: 
$36.91
/ea
Wilkins W/Ubv Lead Free 2" 950Xlt2 2-950XLT2U
Wilkins

W/Ubv Lead Free 2" 950Xlt2

Zoro # G7737001
Mfr # 2-950XLT2U
product price: 
$1,963.99
/ea
Kingston Brass K511AC Dishwasher Air Gap, Antique Copper K511AC
Kingston Brass

K511AC Dishwasher Air Gap, Antique Copper

Zoro # G402886612
Mfr # K511AC
product price: 
$41.11
/ea
Kingston Brass KA821BB Dishwasher Air Gap, Brushed Brass KA821BB
Kingston Brass

KA821BB Dishwasher Air Gap, Brushed Brass

Zoro # G902886631
Mfr # KA821BB
product price: 
$57.15
/ea
Wilkins Tc Up Lead Free 3/4" 975Xl2 34-975XL2TCU
Wilkins

Tc Up Lead Free 3/4" 975Xl2

Zoro # G8666644
Mfr # 34-975XL2TCU
product price: 
$1,183.99
/ea
Wilkins Reduced Pressure Principle Backflow Prev 2-375XLFT
Wilkins

Reduced Pressure Principle Backflow Prev

Zoro # G7738130
Mfr # 2-375XLFT
product price: 
$1,983.99
/ea
Wilkins Reduced Pressure Principle Backflow Prev 112-975XL2S
Wilkins

Reduced Pressure Principle Backflow Prev

Zoro # G7738270
Mfr # 112-975XL2S
product price: 
$2,260.99
/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
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
Spears Backwater Valve, 2 In., PVC, 120 Deg F S275P-AK
Spears

Backwater Valve, 2 In., PVC, 120 Deg F

Zoro # G5065636
Mfr # S275P-AK
product price: 
$203.99
/ea
Watts SHUTOFF VALVE F391012
Watts

SHUTOFF VALVE

Zoro # G222824498
Mfr # F391012
product price: 
$6,346.99
/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
Wilkins W/Union Bv Non-Potable 3/4" 975Xl 34-975XLU
Wilkins

W/Union Bv Non-Potable 3/4" 975Xl

Zoro # G8668324
Mfr # 34-975XLU
product price: 
$4,973.99
/ea
Watts Reduced Pressure Zone Assembly, 175 psi LF909-DOSY-FS
Watts

Reduced Pressure Zone Assembly, 175 psi

Zoro # G204393134
Mfr # LF909-DOSY-FS
product price: 
$4,455.99
/ea
Watts Backflow Preventor, 3" 3" LF009-NRS
Watts

Backflow Preventor, 3"

Zoro # G7275228
Mfr # 3" LF009-NRS
product price: 
$5,368.99
/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: 
$1,612.99
/ea
Watts Backflow Preventer, Size 3/4", 175 psi 3/4 009M3-QT
Watts

Backflow Preventer, Size 3/4", 175 psi

Zoro # G105303683
Mfr # 3/4 009M3-QT
product price: 
$771.99
/ea
Watts 1-1/2 In Lead-Free Double Check Backflow Preventer Assembly 0063234
Watts

1-1/2 In Lead-Free Double Check Backflow Preventer Assembly

Zoro # G012414830
Mfr # 0063234
product price: 
$1,036.15
/ea
Watts Reduced Pressure Zone Backflow Preventer 957-OSY 21/2
Watts

Reduced Pressure Zone Backflow Preventer

Zoro # G0845056
Mfr # 957-OSY 21/2
product price: 
$4,812.99
/ea
Watts Reduced Pressure Zone Assembly, 175 psi LF909-DOSY-FS
Watts

Reduced Pressure Zone Assembly, 175 psi

Zoro # G004393112
Mfr # LF909-DOSY-FS
product price: 
$5,620.99
/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: 
$6,276.99
/ea
Watts Reduced Pressure Zone Assembly, 1in. Size 1 LF009M2-QT-PRESS
Watts

Reduced Pressure Zone Assembly, 1in. Size

Zoro # G4016402
Mfr # 1 LF009M2-QT-PRESS
product price: 
$1,031.99
/ea
Watts Hydrant Meter with Backflow Preventer 6000HMB Hydrant BFP
Watts

Hydrant Meter with Backflow Preventer

Zoro # G3101612
Mfr # 6000HMB Hydrant BFP
product price: 
$10,177.99
/ea
Febco Reduced Pressure Zone Backflow Preventer 1 1/2 LF825YA-QT-RP-FS
Febco

Reduced Pressure Zone Backflow Preventer

Zoro # G913990679
Mfr # 1 1/2 LF825YA-QT-RP-FS
product price: 
$2,284.99
/ea
Apollo Valves Reduced Pressure Zone Backflow Preventer 4A204A2F
Apollo Valves

Reduced Pressure Zone Backflow Preventer

Zoro # G510436242
Mfr # 4A204A2F
product price: 
$312.99
/ea
Watts Backflow Preventer, High Investment Level 2 LF919-QT-S-FS
Watts

Backflow Preventer, High Investment Level

Zoro # G110090486
Mfr # 2 LF919-QT-S-FS
product price: 
$2,112.65
/ea
Wilkins Backflow Preventer, 2 in, FNPT 2-975XL2S
Wilkins

Backflow Preventer, 2 in, FNPT

Zoro # G908230063
Mfr # 2-975XL2S
product price: 
$2,602.99
/ea
Backflow Preventers (615 items) - Page 16
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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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175 psi pressure switch4 in backflow preventerbackflow checkwatts back-flow preventerbackflow preventersize
watts series 009 3/41-1/2 in backflow preventerhose connection vacuum breaker1 inch backflowbackflow check preventer

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