WATTS LF909M1 - 8" - NRS Reduced Pressure Zone Assembly RP - (0792204) - LF909NRS8 - 8 LF909M1-DNRS 


Lead Free: YES - 8 In Cast Iron Reduced Pressure Zone Assembly, Domestic Nrs Shutoff Valves


This 8 inch lead free reduced pressure zone assembly with its exclusive design incorporating the 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. It can be utilized in a variety of installations 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 epoxy coated cast iron body, domestic non-rising stem resilient seated gate valves, captured spring check valves, replaceable seats, top mounted test cocks, and a field reversible pressure differential relief valve.



  • Lead free construction
  • No special tools required for servicing
  • Health hazard application
  • Domestic non-rising stem gate valves


Backflow Preventer Type Reduced Pressure Zone Assembly
Body Finish Epoxy Coated
Body Material Cast Iron
Body Pattern Inline
Brand Name Watts
Buy American Act Compliant USA
Bypass No
Cap And Tether No
EAN 098268437867
Elbow Fitting No
Hazard Protection Level Health Hazard
Hot And Harsh Water No
Hydrant Connection No
Inlet Connection Size 8 IN
Inlet Connection Size-Metric 200 MM
Inlet Connection Type Flanged Joint
Inlet Shutoff Valve Type Non Rising Stem Gate Valve
Inlet Thread Type Does Not Apply To Product
Lead Free YES
Maximum Temperature-Fahrenheit 110
Maximum Working Pressure-BAR 12.06
Maximum Working Pressure-PSI 175
Meter Type No Meter
Minimum Temperature - Celsius 0.50
Minimum Temperature-Fahrenheit 33
Outlet Connection Size 8 IN
Outlet Connection Type Flanged Joint
Outlet Shutoff Valve Type Non Rising Stem Gate Valve
Outlet Thread Type Does Not Apply To Product
Part Number 0792204
Polymer Coating No
Pressure Operation Continuous
Protection Type Backpressure and Backsiphonage
Seat Material Stainless Steel
Series LF909 Large
Strainer No
Tradename None
Type Kit



WATTS LF909M1 - 8" - NRS Reduced Pressure Zone Assembly RP - (0792204)

SKU: 0792204