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AMES C400 NRS - 8" - RP ASSY - (0191292) - C400NRS8 - 8 C400-NRS


This Colt™ 8 inch stainless steel reduced pressure zone backflow preventer assembly is designed to prevent the reverse flow of contaminated water from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. This extremely compact and lighter than a traditional designed assembly is approved for horizontal installation in accordance with the direction of the flow arrow. 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 stainless steel body with a quick access sleeve, torsion spring check valves, resilient seated gate valves with non-rising stem, test cocks, and a corrosive resistant stainless steel bottom mounted pressure relief valve.



  • No special tools required for servicing
  • Bottom mounted stainless steel relief valve
  • Drip tight shutoff valves
  • Groove couplings for easy installation and pipe alignment
  • 70 Percent lighter than traditional designs
  • Non-rising stem gate valves
  • Link check modules provide lowest pressure loss
  • Stainless steel housing and sleeve
  • Ball valve type test cocks


Backflow Preventer Type Reduced Pressure Zone Assembly
Body Finish Stainless Steel
Body Material Stainless Steel
Body Pattern Straight
Brand Ames Fire & Waterworks
Buy American Act Compliant YES
Bypass No
Bypass Size Does Not Apply To Product
Cap And Tether No
EAN 737733002901
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 12.10
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 0191292
Polymer Coating No
Pressure Operation Continuous
Protection Type Backpressure and Backsiphonage
Seat Material Rubber
Series C400
Strainer No
Tradename Colt (TM)
Type Kit



AMES C400 NRS - 8" - Reduced Pressure Zone Assemblies - (0191292)

SKU: 0191292