Watts 957RPDA-OSY-CFM-FS 4 - Part of the 957RPDA Series dura-skrim-selector The low pressure range is

The low pressure range is 10 to 35 psi (69 to 241 kPa) with the pressure setting set at 30 psi (207 kPa)

50 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 1/2 IN Outlet Connection Type Union Pex Expansion Outlet Thread Type Does Not Apply To Product Part Number 88009128 Series LFN45B Standard Reduced Pressure Setting-BAR 3

vandal proofing and a reversible clamping collar with primary and secondary weepholes

Integrated 1/4 inch NPT threaded port at one end of valve for adding optional temperature pressure gauge or sensors

This 1 1/2 inch lead free reduced pressure zone backflow preventer assembly is designed to prevent 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

Watts 957RPDA-OSY-CFM-FS 4 - Part of the 957RPDA Series dura-skrim-selector The low pressure range isThis 4 inch reduced pressure detector backflow preventer assembly help stop the reverse flow of liquids due to backpressure or backsiphonage, where potential health hazard exists. Extremely compact and lighter than traditional designs it is approved for horizontal installation. This assembly consists of a stainless steel body with a quick access sleeve, torsion spring check valves, resilient seated gate valves with outside stem and yoke, test cocks,