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

the 395466 and 395466/U are identical units

Which actuator models does this diaphragm fit

and solid contaminants that can lead to premature compressor failure

signaling the board to run the fan for cooling

Watts R11-04C Regulator Els PW 17895 you should always match theThe 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