Antisiphon Valves

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Wilkins 1 in. Brass Pressure Vacuum Breaker Valve
Wilkins 1 in. Brass Pressure Vacuum Breaker Valve
Item # 271997

This 1 in. Brass Pressure Vacuum Breaker Valve is for protection against back-siphon age of contaminated water into a potable water supply. It has a maximum working water pressure of 150 psi. Threaded connections meet ANSI B1.20.1 standard.

  • Made of brass
  • Install on potable water line to protect against back-siphon age of contaminated water
  • FIP inlet x FIP outlet
  • Maximum working water pressure of 150 psi
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Watts 1 in. FIP, Lead Free Vacuum Breaker Anti Siphon
Watts 1 in. FIP, Lead Free Vacuum Breaker Anti Siphon
Item # 289994
Eco-friendly item. Symbol indicates that the product is part of our EcoSource green purchasing program. Product meets our sustainability standards for one or more of the following high-performance categories: Water Conservation, Energy Efficiency, Indoor Air Quality, and Material Selection.

This 1 in. lead free anti-siphon pressure vacuum breaker prevents the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It consists of a bronze body construction silicone rubber check valve disc, plastic check valve seat, stainless steel springs, a bonnet with silicone rubber O-ring seal, a lightweight plastic disc float, tee handle shutoff, and test cocks for winterization draining. It is ideal in health hazard continuous pressure applications such as irrigation systems and industrial process water systems where the water enters the equipment at or below its flood rim. The maximum pressure is 150 psi (10.3 BAR) and the minimum pressure is 15 PSI (55 kPa).

  • Lead free construction
  • Replaceable seat
  • Female NPT inlet and outlet with quarter turn shutoffs
  • Easy internal access
  • Designed to prevent the backflow of polluted water from entering into the potable water supply
  • Ideal for irrigation systems and industrial process water systems where the water enters the equipment at or below its flood rim
  • Maximum pressure is 150 psi
Units: Each
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Watts Anti Siphon Vacuum Breaker, Backflow Preventer, 3/4 in. FIP, Lead Free Bronze, Qt Shutoffs
Watts Anti Siphon Vacuum Breaker, Backflow Preventer, 3/4 in. FIP, Lead Free Bronze, Qt Shutoffs
Item # 289993
Eco-friendly item. Symbol indicates that the product is part of our EcoSource green purchasing program. Product meets our sustainability standards for one or more of the following high-performance categories: Water Conservation, Energy Efficiency, Indoor Air Quality, and Material Selection.

This 3/4 IN lead free anti-siphon pressure vacuum breaker prevents the reverse flow of polluted water from entering into the potable water supply due to back siphonage. It consists of a bronze body construction silicone rubber check valve disc, plastic check valve seat, stainless steel springs, a bonnet with silicone rubber O-ring seal, a lightweight plastic disc float, tee handle shutoff, and test cocks for winterization draining. It is ideal in health hazard continuous pressure applications such as irrigation systems and industrial process water systems where the water enters the equipment at or below its flood rim. The maximum pressure is 150 psi (10.3 BAR) and the minimum pressure is 15 psi (55 kPa).

  • Lead free construction
  • Replaceable seat
  • Female NPT inlet and outlet with quarter turn shutoffs
  • Easy internal access
  • Designed to prevent the backflow of polluted water from entering into the potable water supply
  • Ideal for irrigation systems and industrial process water systems where the water enters the equipment at or below its flood rim
  • Maximum pressure is 150 psi
Units: Each
Qty:

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WATTS WATER TECHNOLOGIES VACUUM BREAKER ANTI-SIPHON 3/4"
WATTS WATER TECHNOLOGIES VACUUM BREAKER ANTI-SIPHON 3/4"
Item # 261021
While Supplies Last.
  • For high hazard cross connections and continuous pressure applications, 12" above flood rim
  • 800 series valves are designed to prevent back siphonage of contaminated water back into a potable water supply
  • High water hammer shock resistance
  • Anti-siphon and check valve
  • Working temp 33°F to 210°F
  • Max pressure 150 psi
  • Pressure loss 10 psi at flow rate
  • Approvals: ASSE #1020, FCCCHR of USC, C.S.A. B.64.1.2, IAPMO listed
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WATTS WATER TECHNOLOGIES VACUUM BREAKER ANTI-SIPHON 1"
WATTS WATER TECHNOLOGIES VACUUM BREAKER ANTI-SIPHON 1"
Item # 261022
While Supplies Last.
  • For high hazard cross connections and continuous pressure applications, 12" above flood rim
  • 800 series valves are designed to prevent back siphonage of contaminated water back into a potable water supply
  • High water hammer shock resistance
  • Anti-siphon and check valve
  • Working temp 33°F to 210°F
  • Max pressure 150 psi
  • Pressure loss 10 psi at flow rate
  • Approvals: ASSE #1020, FCCCHR of USC, C.S.A. B.64.1.2, IAPMO listed
Units: Each
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WATTS WATER TECHNOLOGIES VACUUM BREAKER ANTI-SIPHON 1"
WATTS WATER TECHNOLOGIES VACUUM BREAKER ANTI-SIPHON 1"
Item # 483250
While Supplies Last.
  • For health hazard cross-contaminations not subject to continuous pressure
  • Brass body
  • Silicone disc
  • Full size orifice for maximum flow
  • Max. pressure: 125psi, Max. temperature: 180*F
  • Polished chrome finish
  • Meets ASSE 1001
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Watts Anti-Siphon Vacuum Breaker, Backflow Preventer, 1/2 in. Lead Free Cast Copper Silicon Alloy
Watts Anti-Siphon Vacuum Breaker, Backflow Preventer, 1/2 in. Lead Free Cast Copper Silicon Alloy
Item # 292974
Eco-friendly item. Symbol indicates that the product is part of our EcoSource green purchasing program. Product meets our sustainability standards for one or more of the following high-performance categories: Water Conservation, Energy Efficiency, Indoor Air Quality, and Material Selection. Lead-Free Product. While Supplies Last.

This 1/2 in. lead free anti-siphon, spill resistant, vacuum breaker prevents the reverse flow of polluted water from entering into the potable water supply due to back siphonage on indoor point-of-use applications. It consists of an internal polymer coating, bronze body construction, thermoplastic check and float assembly valve, stainless steel springs, tee handles, and a molded diaphragm separating the air inlet from the potable water supply to prevent spillage. It is ideal for indoor use on machines or equipment in general plumbing applications. Maximum working pressure is 150 psi (10.34 BAR). Minimum working pressure is 8 psi (55.2 kPa).

  • Lead free construction
  • Polymer coated interior
  • Health hazard applications
  • Spill resistant
  • Designed to prevent the backflow of polluted water from entering into the potable water supply
  • Ideal for indoor use on machines or equipment in general plumbing applications
  • Maximum pressure is 150 psi
Units: Each
Qty:

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Wilkins 3/4 in. Hose Bibb Vacuum Breaker
Wilkins 3/4 in. Hose Bibb Vacuum Breaker
Item # 271986
Ships from manufacturer. Please note that additional delivery time may apply.

The 4 in. Brass Vacuum Breaker is ideal for installation on potable water lines and hose bibs to help prevent backflow. This vacuum breaker can endure 125 psi of pressure. The item is designed to attached to hose bibbs.

  • For installation on potable water lines and hose bibs to help protect against backflow
  • Brass construction
  • Vandal-resistant components
  • Breakaway set screw included to help prevent unauthorized removal
  • Maximum pressure of 125 psi
  • 33°F – 180°F temperature range
Ships from manufacturer. Please note that additional delivery time may apply.
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