WATTS® LF919QT Cast Copper Silicon Alloy Reduced Pressure Zone Assembly, Female Threaded, 175 psi, 33 - 180 deg F

Backflow Preventer Valves
337270P
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WATTS® LF919QT Cast Copper Silicon Alloy Reduced Pressure Zone Assembly, Female Threaded, 175 psi, 33 - 180 deg F
  • Body Material: Cast Copper Silicon Alloy
  • Connection Type: Female Threaded
  • Item Name: Pressure Zone Assembly
  • Lead Free: Yes
  • Manufacturer: WATTS®
  • Seat Material: Replaceable Polymer
  • Series/Model: Series LF919
  • Temperature Rating: 33 - 180 deg F
  • Trim Material: Silicone Rubber Disc
  • Type: Reduced

Series LF919 lead free reduced pressure zone assemblies prevent the reverse flow of contaminated water from entering into the potable water supply due to back siphonage and or backpressure. It consists of a lead free cast copper silicon alloy body construction, two poppet style check valves and replaceable check seats, with an intermediate relief valve. Series LF919's compact modular design facilitates easy maintenance and assembly access. It is ideal for protection at health hazard cross connections or for containment at the service line entrance.

NOMINAL SIZE
  • Features
  • Separate access covers for the check valves and relief valve for ease of maintenance
  • Top entry all check internals easily accessible
  • Check valve poppet assemblies are fully guided by innovative plastic seat guide
  • Replaceable push-in check valve and relief valve seats eliminates threads from the water way
  • EZ twist relief valve cover quarter turn locking joint captures the spring load during repair to facilitate disassembly
  • Innovative check valve plastic cover bushing provides trouble free guiding of the check valve poppet
  • Bottom mounted relief valve provides reduced installation clearances
  • Compact, space saving design
  • Top mounted test cocks for ease in testing and reduced installation clearances
  • Comes with quarter turn ball valves
  • Standards/Approvals: ASSE 1013, Compliant with "Lead Free Drinking Water Act", CSA Certified, cUS Certified, NSF Certified, UPC Listed
  • Applications: For health hazard applications