Watts Backflow Preventer – Model #009M3QT

Series 009 Reduced Pressure Zone Assemblies are designed to protect potable water supplies in accordance with national plumbing codes and water authority requirements. This series can be used in a variety of installations, including the prevention of health hazard cross connections in piping systems or for containment at the service line entrance.

This series features two in-line, independent check valves, captured springs and replaceable check seats with an intermediate relief valve. Its compact modular design facilitates easy maintenance and assembly access. Sizes 1/4″ – 1″ (8 – 25mm) shutoffs have tee handles.


  • Single access cover and modular check construction for ease of maintenance
  • Top entry – all internals immediately accessible
  • Captured springs for safe maintenance
  • Internal relief valve for reduced installation clearances
  • Replaceable seats for economical repair
  • Bronze body construction for durability 1/4″ – 2″ (8-50mm)
  • Fused epoxy coated cast iron body 2-1/2″ and 3″ (65 and 80mm)
  • Ball valve test cocks screwdriver slotted 1/4″ – 2″ (8 – 50mm)
  • Large body passages provides low pressure drop
  • Compact, space saving design
  • No special tools required for servicing.



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