Nordyne 632548R Pressure Switch 318423-701 This specific module is primarily

This specific module is primarily focused on the ignition and combustion safety sequence

This 1/2" NPT gas control valve replaces older Honeywell and Bradford White 239-series valves

including high-performance heat pumps and industrial refrigeration units

including industrial and commercial series

Because the balanced pressure steam trap remains fully open when cold

Nordyne 632548R Pressure Switch 318423-701 This specific module is primarilyEnsure 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