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Watts 3/4 In Bronze Anti-Siphon Pressure Vacuum Breaker Backflow Preventer, Quarter Turn Shutoff, Tee Handles

SKU: 0388001

$461.50

List Price

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Product Details

Watts 0388001

This 3/4'' 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, 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 (55kPa).


  • UPC 098268279375
  • Online Product ID 3632192
  • Weight 4 lbs.
  • Material Bronze
  • Backflow Preventer Type Vacuum Breaker
  • Body Pattern Angle
  • Buy American Act Compliant yes
  • Control Type Tee Handle
  • Disc Material Silicone
  • Inlet Connection Size 0.75''
  • Inlet Connection Size Metric 20 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 0.75''
  • 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

  • Replaceable seat
  • Durable, bronze body construction
  • Prevents the reverse flow of polluted water
  • Female NPT inlet and outlet with quarter turn shutoffs
  • Easy internal access

About This Brand

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