Nordyne 632548R Pressure Switch 30067439-890 "make and break" connections in

"make and break" connections in demanding fluid transfer and cooling systems

and WeatherKing air handlers and furnaces

is essential for high-efficiency gas furnaces where precise millivolt signal transmission is required to prevent furnace lockout

It requires a Ranco LDK Series solenoid coil

though you should expect a derated wattage output (approximately 11

Nordyne 632548R Pressure Switch 30067439-890 "make and break" connections inEnsure your service call is completed correctly the first time with the Nordyne 632548R Pressure Switch. This genuine OEM replacement is specifically engineered for 2 stage gas furnaces and HVAC systems, serving as the factory authorized successor to part number 632548. Designed to monitor the vacuum created by the inducer motor, this switch operates within a precise sensing range of 0. 80" WC to 0. 50" WC, facilitating safe flue gas venting and