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  • Watts Series LF909 Cast Iron Flanged Backflow Preventer

    • Watts Series LF909 2-1/2 in. Cast Iron Flanged Backflow Preventer

    Part #WLF909DNRSL

    | Item #4384658

    $8417.25 each

    This product has been replaced by WLF909DNRSFS212L.

    Valve Size:

    2-1/2 in
    • Quantity

    0 item(s) added to cart. Checkout Now

    See Optional Accessories

    Need Help? 1-800-437-1146
    7:30 am to 7:30 pm EST

    Product Details

    • Replaceable seats
    • Stainless steel internal parts
    • No special tools required for servicing
    • Captured spring check assemblies
    • Fused epoxy coated & lined checks
    • Industrial strength sensing hose
    • Field reversible relief valve
    • Air-in/water-out relief valve design provides maximum capacity during emergency conditions
    • Lead free

    Documents

    Specifications

    • ADA Compliant
      No
    • ANSI Specifications
      ANSI 61-G
    • ASSE Standards
      ASSE 1013
    • AWWA Specifications
      AWWA C-511 1992
    • BAA Compliant
      Yes
    • CSA Certified
      CSA B64.5
    • Coating
      Epoxy
    • Collection
      Series LF909
    • Depth
      46 in
    • End Connection 1
      Flanged
    • End Connection 2
      Flanged
    • End Connections
      Flanged
    • FM Approved
      Yes
    • Height
      20 in
    • High Pressure
      175
    • IAPMO Listed
      Yes
    • Lead Law Compliance Level
      Lead Law Compliant and Certified
    • Lead Law Compliant
      Yes
    • Length
      41-1/2 in
    • Material
      Cast Iron
    • NSF Certified
      Yes
    • NSF Specifications
      NSF 61-G
    • Recommended Valve Application
      Health Hazard, Potable Water
    • Temperature Range
      33 to 110 Deg F (0.5 to 43 Deg C)
    • UL Listed
      Yes
    • Valve Body Style
      Inline
    • Valve Operator
      T-Handle
    • Valve Seat Material
      Stainless Steel
    • Valve Size
      2-1/2 in
    • Valve Stem
      Non-rising
    • Valve Type
      Reduced Pressure Zone Assembly
    • Weight
      195
    • Width
      24 in

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