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Watts 2" LF909M1-QT-HW Hot Water Device

SKU: 0792035
$6008.75
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2" Watts LF909M1-QT-HW Reduced Pressure Zone Assembly. Currently the only device approved for hot water operation. Lead free, bronze body feature three covers. Known as the "Cadillac" of backflow preventers, the 909 is constructed of high quality parts for reliabilty and ease of service. Features full port, quarter turn ball valves on inlet and outlet. The hot water device has stainless steel check seats instead of the standard plastic found in the regular 909. Fully testable.

Air gap drian fitting listed below is recommended. Designed to pipe a drain onto the relief valve port to avoid water damage due to relief valve discharge.


This is a non-stock, special order item and could take up to 2 weeks or more to deliver. All non-stock items are non-refundable, Please be sure you order carefully. If you have ANY questions please contact us before ordering.



Warehouse Availability

Low Stock

Edison, NJ

  • Hot water applications
  • Modular design
  • Replaceable seats
  • Compact for installation ease
  • Horizontal or vertical (up or down) installation
  • No special tools required for servicing
  • Note: The installation of a drain line is recommended. When installing a drain line, an air gap is necessary.
  • Air Gap Drain Fitting
    The air gap drain fitting is designed to attach to the relief port and pipe to a drain to direct any discharge to a safe place. Bottom features a 2" Female NPT Connection.

    Wye Strainer
    The wye strainer is used to prevent debris from entering the backflow preventer. Threaded Inlet/Outlet

  • Lead Free Bronze Body
  • 304 Stainless Steel Screen
  • #20 Mesh Screen
  • Supplied with Brass Closer Plug
  • Close Nipple Included
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