PlumbingSupply.com offers Quality Backflow Devices

Quality Backflow Devices

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Customers who have purchased backflow prevention devices have also been:
to anti-siphon vacuum breakers - to brass strainers, check, gate, globe, and ball valves - to backwater drainage valves
to thermal expansion tanks - to vacuum breakers for hosebibbs - to many water detection (flood prevention) products
to Zoeller brand city water booster pumps - to electronic sump pump controller - to airgap kits - to vent pipe screens

to the Washer Watcher washing machine flood prevention kit - to the versatile Water Watcher flood prevention device
to the Sump Watcher electronic sump pump switch

Low rates and easiest to calculate/understand shipping/handling for backflow devices

Help to protect yourself, your family and your customers with backflow devices from PlumbingSupply.com. These industrial quality backflow preventers are offered in an array of configurations that will take care of your heavy duty and commercial needs, helping protect your water supply from the potential risk of contamination.

Double Check Valve Backflow Preventer
007-QT
click here for detailed dimensions
Model 1/2" 3/4" 1" 1-1/4" 1-1/2" 2"
#007-QT bronze body
w/ ball valves		 $126.35 $134.99 $148.18 $286.15 $289.97 $315.90

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Reduced Pressure Zone Backflow Preventer
009QT
click here for detailed dimensions
Model 1/2" 3/4" 1" 1-1/4" 1-1/2" 2"
#009-QT bronze body
w/ ball valves		 $173.43 $212.05 $225.94 $370.70 $403.13 $459.13

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Pressure Vacuum Breaker
Image/Model Description Size Price & Quantity
Pressure Vacuum breaker
#800M4QT w/ ball valves		 Anti-syphon pressure vacuum breaker
  • Bronze body
  • Silicon rubber check valve disc
  • Plastic check valve seat
  • Stainless steel springs
  • Lightweight plastic disc float
  • Click here for detailed dimensions
    		•  1/2" $109.73
    3/4" $116.36
    1" $126.11
    1-1/4" $281.42
    1-1/2" $313.57
    2" $354.59

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    need any pipe thread sealing tape?

    Double Check Backflow Preventer
    Image/Model Description Size Price & Quantity
    007
    #007
    click here for detailed dimensions    		 Iron body with NRS resilient seated valves 2-1/2" $1195.55
    3" $1196.33
    Iron body with OSY resilient seated valves 2-1/2" $1323.28
    3" $1510.24

    Image/Model Description Size Price & Quantity
    709
    #709
    click here for detailed dimensions    		 Iron body with OSY resilient seated valves 4" $1923.59
    6" $2903.01
    8" $5678.77
    10" $7532.78
    Iron body with NRS resilient seated valves 4" $1717.73
    6" $2699.10
    8" $7219.64
    10" $7722.92

    Image/Model Description Size Price & Quantity
    Backflow preventer 774
    #774
    click here for detailed dimensions    		 Stainless steel body with OSY resilient seated valves 2-1/2" $1218.82
    3" $1380.76
    4" $1596.48
    6" $2650.41
    8" $4743.82
    10" $5974.91
    Stainless steel body with NRS resilient seated valves 2-1/2" $1638.39
    3" $1115.53
    4" $1638.39
    6" $2570.66
    8" $4629.62
    10" $5689.81

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    Reduced Pressure Zone Backflow Preventer
    Image/Model Description Size Price & Quantity
    009
    #009
    click here for detailed dimensions    		 Iron body with NRS resilient seated valves 2-1/2" $1294.38
    3" $1364.48
    Iron body with OSY resilient seated valves 2-1/2" $1384.40
    3" $1530.99

    Image/Model Description Size Price & Quantity
    909
    #909
    click here for detailed dimensions    		 Iron body with OSY resilient seated valves 2-1/2" $1747.41
    3" $2033.98
    4" $2147.64
    6" $3824.74
    8" $6709.40
    10" $9090.33
    Iron body with NRS resilient seated valves 2-1/2" $2049.42
    3" $1850.15
    4" $2049.42
    6" $3359.52
    8" $6253.36
    10" $8418.29

    Image/Model Description Size Price & Quantity
    994
    #994
    click here for detailed dimensions    		 Stainless steel body with NRS resilient seated valves 4" $1871.04
    6" $3035.22
    Stainless steel body with OSY resilient seated valves 4" $2063.61
    6" $3941.88

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    Double Check Detector Assembly Backflow Preventer
    Image/Model Description Size Price & Quantity
    007
    #007 DCDA
    click here for detailed dimensions    		 Iron body with OSY resilient seated valves 2-1/2" $1602.47
    3" $1733.89

    Image/Model Description Size Price & Quantity
    709
    #709 DCDA
    click here for detailed dimensions    		 Iron body with OSY resilient seated valves 3" $2028.35
    4" $2351.71
    6" $3246.64
    8" $5800.64
    10" $8268.11

    Image/Model Description Size Price & Quantity
    774
    #774 DCDA
    click here for detailed dimensions    		 Stainless steel body with OSY resilient seated valves 2-1/2" $1634.65
    3" $1782.84
    4" $2222.92
    6" $3244.21
    8" $5620.75
    10" $6973.04

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    Reduced Pressure Detector Assembly Backflow Preventer
    Image/Model Description Size Price & Quantity
    909
    #909 RPDA
    click here for detailed dimensions    		 Iron body with OSY resilient seated valves 2-1/2" $2149.08
    3" $2430.55
    4" $2611.78
    6" $4304.10
    8" $7587.48
    10" $9663.37

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    Woodford Double Check Backflow Preventers
    Backflow Preventer
    # 50H    		 Backflow Preventer Feature:
    • Prevents backflow contamination and freezing by automatically draining when hose is removed
    • 120°F maximum temperature rating
    • Maximum pressure 125 p.s.i.
    • 3/4" male hose outlet connection
    • Available in brass and chrome finishes
    Click Image Description Price & Quantity
    Chrome Finish    		 Price & Quantity
    Brass Finish
    Backflow Preventer
    # 50H    		 - 3/4" female hose inlet connection
    - 3/4" male hose outlet connection
    - Fits Woodford faucets with standard 3/4" hose threaded outlets    		 $24.83 $20.50
    Backflow Preventer
    # 50HA    		 - 1-1/8" special thread inlet connection
    - 3/4" male hose outlet connection
    - Fits Woodford faucet: 27    		 $24.94 $20.46
    Backflow Preventer
    # 50HF    		 - 13/16" special thread inlet connection
    - 3/4" male hose outlet connection
    - Fits Woodford faucets: 26, B26, Y26, Y2, and H34    		 $24.79 $20.44

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    PTFE Thread sealing tape:
    PTFE thread sealing tape
    1/2" x 260" = $0.38

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    Brass Vacuum Breaker
    vacuum breakers for protection
    Click here for larger image
    Brass vacuum breaker for hose bibbs = $3.49

    Order 12 or more brass vacuum breaker hose bibbs for additional savings.
    Order 100 or more brass vacuum breaker hose bibbs for even greater savings.
    volume pricing will show up in your shopping cart

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    to standard check valves

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