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Standardized Power: Simple 120V pump installation with predictable current draw for existing control boards and relays
making it ideal for standard three-wire control configurations
Measuring approximately 17 x 21 x 7/8 inches
6-inch diameter frame (check specific installation clearances) and is built to withstand the continuous duty cycles found in commercial mechanical rooms
Lennox 36W49 Pressure Switch 321894-709 Standardized Power: Simple 120V pumpThe Lennox 36W49 Pressure Switch is a critical safety component designed for specific Lennox furnace models to monitor the negative pressure generated by the inducer motor. This SPST furnace pressure switch is factory calibrated to a 0. 55" WC set point, ensuring the combustion process only initiates when proper venting and drafting are established. Constructed with a durable diaphragm and high grade electrical contacts, this direct replacement