Skip to Main Content


Part of the 957RPDA Series

Ordering Code: 0113071

UPC: 098268287653

Lead Free: NO

6 In Ss Reduced Pressure Detector Assembly, Domestic Osy Shutoff Valves, Cubic Feet Meter, Z Pattern

This 6 inch Z pattern reduced pressure detector assembly is designed to prevent the reverse flow of fire protection substances and water of non-potable quality 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. It is ideal for protection at cross-connections identified as health hazards such as on fire sprinkler systems 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, domestic outside stem and yoke resilient seated gate valves, test cocks, corrosive resistant bottom mounted pressure relief valve, and a cubic feet per minute meter to detect underground leaks and unauthorized water use.

Product Features

  • Patented torsion spring check modules for ease of serviceability
  • The maximum working pressure is 175 psi (12.06 bar)
  • No special tools required for servicing
  • Groove couplings for ease of installation and pipe alignment
  • Bottom mounted cast stainless steel relief valve
  • Cubic feet per minute meter
  • Stainless steel housing and sleeve
  • Compact design allows small enclosures to be used
  • Health hazard application
Backflow Preventer Type Reduced Pressure Detector Assembly
Body Finish Stainless Steel
Body Material Stainless Steel
Body Pattern Z-Pattern
Brand Name Watts
Bypass Yes
Cap And Tether No
EANUCCCode 098268287653
Elbow Fitting No
Hazard Protection Level Health Hazard
Hot And Harsh Water No
Hydrant Connection No
Inlet Connection Size 6 IN
Inlet Connection Size-Metric 150 MM
Inlet Connection Type Grooved Joint
Inlet Shutoff Valve Type Outside Stem And Yoke Gate Valve
Inlet Thread Type Does Not Apply To Product
Lead Free NO
Maximum Temperature-Fahrenheit 110
Maximum Working Pressure-BAR 12.06
Maximum Working Pressure-PSI 175
Meter Type CFM
Minimum Temperature - Celsius 0.50
Minimum Temperature-Fahrenheit 33
Outlet Connection Size 6 IN
Outlet Connection Type Grooved Joint
Outlet Shutoff Valve Type Outside Stem And Yoke Gate Valve
Outlet Thread Type Does Not Apply To Product
Part Number 0113071
Polymer Coating No
Pressure Operation Continuous
Protection Type Backpressure and Backsiphonage
Series 957RPDA
Strainer No
Type Valve to Accessory

Product Accessories