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  • Home
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  • Northern Hydraulics
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Backflow Prevention

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  • Deringer 40G Red Pressure Zone Assembly Quick View
    • Sale!
      Deringer 40G Red Pressure Zone Assembly Quick View
    • Backflow Prevention
    • Deringer 40G Red Pressure Zone Assembly

    • $3,646.19 Original price was: $3,646.19.$2,265.59Current price is: $2,265.59.
    • Add to cart
  • Deringer 50 Reduced Pressure Detector Assembly with Stainless Steel Springs Quick View
    • Sale!
      Deringer 50 Reduced Pressure Detector Assembly with Stainless Steel Springs Quick View
    • Backflow Prevention
    • Deringer 50 Reduced Pressure Detector Assembly with Stainless Steel Springs

    • $3,587.39 Original price was: $3,587.39.$2,223.66Current price is: $2,223.66.
    • Add to cart
  • Deringer 50G Reduced Pressure Detector Assembly RPZ Backflow Device Quick View
    • Sale!
      Deringer 50G Reduced Pressure Detector Assembly RPZ Backflow Device Quick View
    • Backflow Prevention
    • Deringer 50G Reduced Pressure Detector Assembly RPZ Backflow Device

    • $3,881.99 Original price was: $3,881.99.$2,208.36Current price is: $2,208.36.
    • Add to cart
  • LF007 Series 1″ Double Check Valve Assembly with ArmorTek Technology Quick View
    • Sale!
      LF007 Series 1″ Double Check Valve Assembly with ArmorTek Technology Quick View
    • Backflow Prevention
    • LF007 Series 1″ Double Check Valve Assembly with ArmorTek Technology

    • $611.99 Original price was: $611.99.$361.46Current price is: $361.46.
    • Add to cart
  • LFRK 909-CK2 Second Check Kit for 2″ Fire System Repair Quick View
    • Sale!
      LFRK 909-CK2 Second Check Kit for 2″ Fire System Repair Quick View
    • Backflow Prevention
    • LFRK 909-CK2 Second Check Kit for 2″ Fire System Repair

    • $682.19 Original price was: $682.19.$419.57Current price is: $419.57.
    • Add to cart
  • LFRK 909M1-T 1-1/4″ to 2″ Total Repair Kit for RPZ Backflow Assemblies Quick View
    • Sale!
      LFRK 909M1-T 1-1/4″ to 2″ Total Repair Kit for RPZ Backflow Assemblies Quick View
    • Backflow Prevention
    • LFRK 909M1-T 1-1/4″ to 2″ Total Repair Kit for RPZ Backflow Assemblies

    • $881.39 Original price was: $881.39.$478.91Current price is: $478.91.
    • Add to cart
  • LFRK909 M1 Total Relief Valve Repair Kit 4″ to 10″ by Viking Quick View
    • Sale!
      LFRK909 M1 Total Relief Valve Repair Kit 4″ to 10″ by Viking Quick View
    • Backflow Prevention
    • LFRK909 M1 Total Relief Valve Repair Kit 4″ to 10″ by Viking

    • $1,297.79 Original price was: $1,297.79.$814.54Current price is: $814.54.
    • Add to cart
  • Reduced Pressure Assembly 2″ with Grooved Butterfly Valve and Flood Sensor by Watts Quick View
    • Sale!
      Reduced Pressure Assembly 2″ with Grooved Butterfly Valve and Flood Sensor by Watts Quick View
    • Backflow Prevention
    • Reduced Pressure Assembly 2″ with Grooved Butterfly Valve and Flood Sensor by Watts

    • $3,026.99 Original price was: $3,026.99.$2,416.36Current price is: $2,416.36.
    • Add to cart
  • Series 4000B 4″ Red Pressure Zone Assembly Quick View
    • Sale!
      Series 4000B 4″ Red Pressure Zone Assembly Quick View
    • Backflow Prevention
    • Series 4000B 4″ Red Pressure Zone Assembly

    • $1,035.59 Original price was: $1,035.59.$746.75Current price is: $746.75.
    • Add to cart
  • Series 4000B Reduced Pressure Backflow Assembly Quick View
    • Sale!
      Series 4000B Reduced Pressure Backflow Assembly Quick View
    • Backflow Prevention
    • Series 4000B Reduced Pressure Backflow Assembly

    • $553.79 Original price was: $553.79.$353.75Current price is: $353.75.
    • Add to cart
  • Viking 1-1/4″ to 2″ Air Gap Drain for Water Safety Quick View
    • Sale!
      Viking 1-1/4″ to 2″ Air Gap Drain for Water Safety Quick View
    • Backflow Prevention
    • Viking 1-1/4″ to 2″ Air Gap Drain for Water Safety

    • $155.19 Original price was: $155.19.$104.45Current price is: $104.45.
    • Add to cart
  • Viking 1.5″ Double Check Backflow Preventer Ball Valves Quick View
    • Sale!
      Viking 1.5″ Double Check Backflow Preventer Ball Valves Quick View
    • Backflow Prevention
    • Viking 1.5″ Double Check Backflow Preventer Ball Valves

    • $430.79 Original price was: $430.79.$215.57Current price is: $215.57.
    • Add to cart
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