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double check valve

105 results

  • Watts 3/4 LF009M3-QT-FS Copper FNPT Reduced pressure backflow preventer

Watts 
Copper FNPT Reduced pressure backflow preventer

  • •Prevents flow of polluted water from entering water supply due to backsiphonage or backpressure
  • •Features flood sensor with SentryPlus Alert technology to detect excessive water discharges from the relief valve
  • •Alert features available with add-on sensor connection kit
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Watts 
1-in Bronze FNPT Double-check backflow preventer

5.0
2
  • •Easy to maintain, no special tools required for servicing
  • •Top mounted ball valve test cocks
  • •Replaceable seats and seat discs
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  • Zurn Wilkins 1-950XL3 1-in Bronze FNPT Double-check backflow preventer

Zurn Wilkins 
1-in Bronze FNPT Double-check backflow preventer

  • •For piping with 1 inch inner diameter
  • •Comes with full port QT ball valves with stainless steel handles and with integral male 45° flare SAE test fitting
  • •Compact and shortest bronze small backflow valve on the market allowing for installation versatility
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