the actual working pressure is limited by the specific tubing used and the temperature of the application

signaling the board to run the fan for cooling

the 395466 and 395466/U are identical units

you should always match the WC rating specified on the original part

Watts R11-04C Regulator Els PW 17895 the actual working pressure isThe Watts R11 04C is a professional grade 1 2 inch NPT pressure regulator designed for high demand industrial air preparation and fluid control applications. As a veteran preferred choice for HVACR pneumatic systems, this unit features a heavy duty zinc body and a diaphragm operated design that ensures tight pressure tracking and rapid response to downstream flow variations. Operating within a 0 125 psi output range, it provides consistent delivery