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Optimized Stroke: Maintains the standard 5/16" travel required for proper modulating plug positioning in terminal units
Because the balanced pressure steam trap remains fully open when cold
This 1/2" NPT gas control valve replaces older Honeywell and Bradford White 239-series valves
a dedicated 240V circuit is required
Nordyne 632548R Pressure Switch 318423-701 Optimized Stroke: Maintains the standardEnsure 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
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