Johnson Controls P74FA-1 Pressure Control Refrigerant or if the system produces
Baker’s notes & crumb story
Description
Johnson Controls P74FA 1 Pressure Control Refrigerant or if the system produces or if the system produces excessive wobbling or metallic rattling noises during the cooling cycle this is the official replacement for the older 135980 part number and is standard for the 200 400 range of UD and UB series heaters