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      9. Backflow Preventers

      Backflow Preventers

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      568 results

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      568 results
      WATTS

      Comb Fill Valve/Backflow Preventor, 1/2In

      Mfr # B911S-M3
      Key Features:
      Item: Boiler Feed Valve w/Backflow Preventer
      Connection Type: FNPT x Sweat Union
      Body Material: Bronze
      $239.77
      24% off
      $180.99
      APOLLO VALVES

      Double Check Valve Assembly, Size 3/4 In.

      Mfr # 4ALF104A2F
      Key Features:
      Item: Double Check Valve Assembly
      Body Material: Lead Free Bronze
      Temp. Range: 33 Degrees to 180 Degrees F
      $182.99
      ZURN

      Reduced Pressure Zone Backflow Preventer

      Mfr # 2-975XL2
      Key Features:
      Item: Reduced Pressure Zone Backflow Preventer
      Body Material: Low Lead Cast Bronze
      Temp. Range: 33 Degrees to 180 Degrees F
      $1,453.85
      APOLLO VALVES

      Double Check Valve Assembly, Size 1 In.

      Mfr # 4ALF105A2F
      Key Features:
      Item: Double Check Valve Assembly
      Body Material: Lead Free Bronze
      Temp. Range: 33 Degrees to 180 Degrees F
      $208.99
      WATTS

      Comb Fill Valve/Backflow Preventor, 1/2In

      Mfr # B911-M3
      Key Features:
      Item: Boiler Feed Valve w/Backflow Preventer
      Connection Type: FNPT and NPT Union
      Body Material: Bronze
      $165.78
      APOLLO VALVES

      Reduced Pressure Zone Backflow Preventer

      Mfr # 4ALF205A2F
      Key Features:
      Item: Reduced Pressure Zone Backflow Preventer
      Body Material: Lead Free Bronze
      Temp. Range: 33 Degrees to 180 Degrees F
      $505.99
      ZURN

      Reduced Pressure Zone Backflow Preventer

      Mfr # 34-975XL2
      Key Features:
      Item: Reduced Pressure Zone Backflow Preventer
      Body Material: Low Lead Cast Bronze
      Temp. Range: 33 Degrees to 180 Degrees F
      $706.88
      APOLLO VALVES

      Reduced Pressure Zone Backflow Preventer

      Mfr # 4ALF204A2F
      Key Features:
      Item: Reduced Pressure Zone Backflow Preventer
      Body Material: Lead Free Bronze
      Temp. Range: 33 Degrees to 180 Degrees F
      $348.99
      WATTS

      Reduced Pressure Zone Backflow Preventer

      Mfr # 3/4 LF009M3-QT
      Key Features:
      Item: Reduced Pressure Zone Backflow Preventer
      Body Material: Lead Free Bronze
      Temp. Range: 33 Degrees to 180 Degrees F
      $513.99
      WATTS

      Reduced Pressure Zone Backflow Preventer

      Mfr # 1 LF009M2-QT
      Key Features:
      Item: Reduced Pressure Zone Backflow Preventer
      Body Material: Lead Free Bronze
      Temp. Range: 33 Degrees to 180 Degrees F
      $714.99
      WATTS

      Reduced Pressure Zone Backflow Preventer

      Mfr # 2 LF909M1-QT
      Key Features:
      Item: Reduced Pressure Zone Backflow Preventer
      Body Material: Lead Free Bronze
      Temp. Range: 33 Degrees to 140 Degrees F
      $3,074.99
      WATTS

      Reduced Pressure Zone Backflow Preventer

      Mfr # 1 1/2 LF909M1-QT
      Key Features:
      Item: Reduced Pressure Zone Backflow Preventer
      Body Material: Lead Free Bronze
      Temp. Range: 33 Degrees to 140 Degrees F
      $2,482.99
      WATTS

      Reduced Pressure Zone Backflow Preventer

      Mfr # 1 LF909-QT
      Key Features:
      Item: Reduced Pressure Zone Backflow Preventer
      Body Material: Lead Free Bronze
      Temp. Range: 33 Degrees to 140 Degrees F
      $1,461.99
      WATTS

      Reduced Pressure Zone Backflow Preventer

      Mfr # 1 LF009M2-QT-S
      Key Features:
      Item: Reduced Pressure Zone Backflow Preventer
      Body Material: Lead Free Bronze
      Temp. Range: 33 Degrees to 180 Degrees F
      $800.46
      26% off
      $588.99
      WATTS

      Reduced Pressure Zone Backflow Preventer

      Mfr # 3/4 LF909-QT
      Key Features:
      Item: Reduced Pressure Zone Backflow Preventer
      Body Material: Lead Free Bronze
      Temp. Range: 33 Degrees to 140 Degrees F
      $1,217.99
      APOLLO VALVES

      Backflow, NPT x NPT, 3/4in, Forged Brass

      Mfr # 4A4A44AM
      Key Features:
      Item: Dual Check Valve w Atmosheric Vent
      Connection Type: FNPT Union
      Body Material: Forged Brass
      $64.99
      ZURN

      Backflow Preventer, 3/4" Size, MNPT, 175psi

      Mfr # 34-350
      Key Features:
      Item: Backflow Preventer
      Body Material: Cast Bronze
      Temp. Range: 33 Degrees to 180 Degrees F
      $207.49
      ZURN

      Backflow Preventer, 3/8" Size, FNPT, 150psi

      Mfr # 38-740F
      Key Features:
      Item: Backflow Preventer
      Body Material: Stainless steel
      Temp. Range: 33 Degrees to 130 Degrees F
      $160.99
      WATTS

      Reduced Pressure Zone Backflow Preventer

      Mfr # 1/2 LF 009QT
      Key Features:
      Item: Reduced Pressure Zone Backflow Preventer
      Body Material: Lead Free Cast Copper Silicon Alloy
      Temp. Range: 33 Degrees to 180 Degrees F
      $494.99
      WATTS

      Reduced Pressure Zone Backflow Preventer

      Mfr # 11/2 LF 009QT
      Key Features:
      Item: Reduced Pressure Zone Backflow Preventer
      Body Material: Lead Free Cast Copper Silicon Alloy
      Temp. Range: 33 Degrees to 180 Degrees F
      $1,086.99
      WATTS

      Reduced Pressure Zone Backflow Preventer

      Mfr # 2 LF 009QT
      Key Features:
      Item: Reduced Pressure Zone Backflow Preventer
      Body Material: Lead Free Cast Copper Silicon Alloy
      Temp. Range: 33 Degrees to 180 Degrees F
      $1,341.99
      ZURN

      Reduced Pressure Zone Backflow Preventer

      Mfr # 112-975XL
      Key Features:
      Item: Reduced Pressure Zone Backflow Preventer
      Body Material: Cast Bronze
      Temp. Range: 33 Degrees to 180 Degrees F
      $1,025.66
      WATTS

      Internal Backwater Valve, 4 In Pipe Dia

      Mfr # BV-1004
      Key Features:
      Body Material: Bronze, Neoprene
      Item: Internal Backwater Valve
      Material of Construction: Bronze and Neoprene
      $43.15
      ZURN

      Reduced Pressure Zone Backflow Preventer

      Mfr # 1-975XL
      Key Features:
      Item: Reduced Pressure Zone Backflow Preventer
      Body Material: Cast Bronze
      Temp. Range: 33 Degrees to 180 Degrees F
      $535.23
      WATTS

      Reduced Pressure Zone Backflow Preventer

      Mfr # 3/4 LF 009QT
      Key Features:
      Item: Reduced Pressure Zone Backflow Preventer
      Body Material: Lead Free Cast Copper Silicon Alloy
      Temp. Range: 33 Degrees to 180 Degrees F
      $542.99
      WATTS

      Anti-Siphon Backflow Preventer, Watts 800

      Mfr # 800M4QT3/4
      Key Features:
      Item: Anti-Siphon Backflow Preventer
      Body Material: Bronze
      Temp. Range: 33 Degrees to 140 Degrees F
      $194.99
      WATTS

      Reduced Pressure Zone, Watt009, 3/4in, FNPT

      Mfr # 009M3-QT-SH
      Key Features:
      Item: Reduced Pressure Zone Assembly
      Body Material: Bronze
      Temp. Range: 33 Degrees to 180 Degrees F
      $668.99
      ZURN

      Reduced Pressure Zone Backflow Preventer

      Mfr # 34-975XL
      Key Features:
      Item: Reduced Pressure Zone Backflow Preventer
      Body Material: Cast Bronze
      Temp. Range: 33 Degrees to 180 Degrees F
      $504.58
      ZURN

      Reduced Pressure Zone Backflow Preventer

      Mfr # 2-975XL
      Key Features:
      Item: Reduced Pressure Zone Backflow Preventer
      Body Material: Cast Bronze
      Temp. Range: 33 Degrees to 180 Degrees F
      $1,100.17
      WATTS

      Reduced Pressure Zone Backflow Preventer

      Mfr # 009M2QTS-3/4
      Key Features:
      Item: Reduced Pressure Zone Backflow Preventer
      Body Material: Bronze
      Temp. Range: 33 Degrees to 180 Degrees F
      $500.99
      WATTS

      Reduced Pressure Zone Backflow Preventer

      Mfr # 1 LF 009M2QT1
      Key Features:
      Item: Reduced Pressure Zone Backflow Preventer
      Body Material: Lead Free Bronze
      Temp. Range: 33 Degrees to 180 Degrees F
      $655.99
      WATTS

      Anti-Siphon Backflow Preventer, Watts 008

      Mfr # 3/4 LF 008PCQT-3/4
      Key Features:
      Item: Anti-Siphon Backflow Preventer
      Body Material: Lead Free Bronze
      Temp. Range: 33 Degrees to 180 Degrees F
      $544.99
      ZURN

      Backflow Preventer, 3/4 in, Bronze

      Mfr # 34-975XLD
      Key Features:
      Item: Backflow Preventer
      Body Material: Bronze
      Max. Pressure: 175 psi
      $378.99
      CLEAN CHECK

      Backwater Valve, Slip Connection, 4" Pipe

      Mfr # 97034
      Key Features:
      Pipe Size: 4"
      Connection Type: Slip
      Body Material: PVC
      $217.99
      WILKINS

      Zurn Wilkins Bronze Backflow Preventer Valve 1 pc

      Mfr # 1-975XL
      $535.23
      WATTS

      Internal Backwater Valve, 2 In Pipe Dia

      Mfr # BV-1002
      Key Features:
      Body Material: Bronze, Neoprene
      Item: Internal Backwater Valve
      Connection - Drains: Slip
      $25.95

      568 results

      (Showing 1 - 36)
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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.

      Frequently Asked Questions

      What Brands of Backflow Preventers does Zoro Carry?

      We carry many of the top brands and manufacturers including WATTS, ZURN, FEBCO, and many more.

      What Item for Backflow Preventers are available?

      At Zoro we carry a wide assortment including some of the most common Item choices such as Backflow Preventer, Reduced Pressure Zone Backflow Preventer, and Double Check Valve Assembly.

      Which features are most common for Backflow Preventers?

      Some common characteristics of Backflow Preventers are the Item, Connection Type, and Body Material.

      Related Categories

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