6″ Double Check Detector ASSEMBL (709DCDA)

SKU: 3870


Designed to prevent the reverse flow of fire protection substances and water of non-potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements.

Out of stock

  • Maximum working pressure 175 psi
  • Temperature range 33°F to 110°F
  • Maximum flow at low pressure drop
  • Require no special tools for servicing
  • Meets in AWWA Standard C510 
Weight 122 lbs




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