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WATTS LF909M1-QT - 2" - Reduced Pressure Zone Assembly RP - (F391012) -

LF909M1-QT 2  


Lead Free: YES

2 In Lead Free Silicon Bronze Reduced Pressure Zone Assembly, Quarter Turn Shutoff Valves


This 2 inch reduced pressure zone assembly with its exclusive design incorporating the patented air-in and water-out principle for protection during an emergency condition prevents the flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. Its compact modular design facilitates easy maintenance for in-line repairs. It can be installed horizontal or vertical without the need of any special tools. It is ideal for protection in continuous pressure piping applications and at cross-connections identified as health hazards and from other contaminants found at the service line entrance. This assembly consists of a lead free bronze body, quarter turn ball valve shutoffs with lever handles, check modules, replaceable seats, top mounted test cocks, and a pressure differential relief valve.



  • Replaceable seats
  • Horizontal or vertical (up or down) installation  
  • Compact for easy installation
  • No special tools are required for servicing
  • Quarter-turn ball valves with lever handles
  • Top mounted test cocks
  • Lead free bronze body
  • Single access cover
  • Unique patented air-in and water-out design provides high capacity relief valve discharge performance during emergency conditions


Backflow Preventer TypeReduced Pressure Zone Assembly
Body FinishCast Bronze
Body MaterialLead Free Bronze
Body PatternInline
Brand NameWatts
Buy American Act CompliantYES
Cap And TetherNo
Disc MaterialSilicone
Elbow FittingNo
Hazard Protection LevelHealth Hazard
Hot And Harsh WaterNo
Hydrant ConnectionNo
Inlet Connection Size2 IN
Inlet Connection Size-Metric50 MM
Inlet Connection TypeFemale Threaded
Inlet Shutoff Valve TypeQuarter Turn Ball Valve
Inlet Thread TypeNPT
Lead FreeYES
Maximum Temperature-Fahrenheit140
Maximum Working Pressure-BAR12.10
Maximum Working Pressure-PSI175
Meter TypeNo Meter
Minimum Temperature - Celsius0.50
Minimum Temperature-Fahrenheit33
Outlet Connection Size2 IN
Outlet Connection TypeFemale Threaded
Outlet Shutoff Valve TypeQuarter Turn Ball Valve
Outlet Thread TypeNPT
Part Number0391012
Polymer CoatingNo
Pressure OperationContinuous
Protection TypeBackpressure and Backsiphonage
Seat MaterialEngineered Plastic
SeriesLF909 Small



WATTS LF909M1-QT - 2" - Reduced Pressure Zone Assembly RP - (F391012)

SKU: 0391012
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