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Watts 2 In Bronze Anti-Siphon Pressure Vacuum Breaker Backflow Preventer, Quarter Turn Shutoff, Lever Handles

SKU: 0387122

$1,059.00

List Price

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Product Details

Watts 0387122

This 2'' Watts series 800M4QT anti-siphon pressure vacuum breaker backflow preventer helps prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It consists of 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, lever handle shutoffs, 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. Maximum pressure is 150psi (10.3 bar). Minimum pressure is 15psi (55kPa).


  • UPC 098268208931
  • Online Product ID 3632191
  • Weight 16.6 lbs.
  • Material Bronze
  • Backflow Preventer Type Vacuum Breaker
  • Body Pattern Angle
  • Buy American Act Compliant yes
  • Control Type Lever Handle
  • Disc Material Silicone
  • Inlet Connection Size 2''
  • Inlet Connection Size Metric 50 mm
  • Inlet Connection Type Female Threaded
  • Inlet Shutoff Valve Type Quarter Turn Ball Valve
  • Inlet Thread Type NPT
  • Maximum Temperature Deg F 140
  • Maximum Working Pressure Psi 150
  • Minimum Temperature Deg F 33
  • Outlet Connection Size 2''
  • Outlet Connection Thread Type NPT
  • Outlet Connection Type Female Threaded
  • Outlet Shutoff Valve Type Quarter Turn Ball Valve
  • Pressure Operation Continuous
  • Protection Type Backsiphonage
  • Seat Material Engineered Plastic
  • Series 800M4QT

Additional information

  • Easy internal access
  • Replaceable seat
  • Female NPT inlet and outlet with quarter turn shutoffs
  • Bronze body for durability

About This Brand

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