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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
or the furnace throwing a "pressure switch stuck open" fault code
Universal Compatibility: Validated replacement for N55BU-M1-3/4
using this genuine HVAC part eliminates the compatibility headaches of universal alternatives
Confirm your existing switch matches the 1
Key Benefits Precise Ignition Control: The slow-opening mechanism prevents hard starts and ensures a smooth flame transition during the HSI/DSI cycle
Maxitrol TS144C Sensor Els PW 17895 or the furnace throwing aThe Maxitrol TS144C is a high precision discharge air temperature sensor designed specifically for integration with Selectra indirect gas fired heating systems. Engineered for modulation control, this thermistor based sensor monitors airstream temperatures to provide real time feedback to the amplifier, ensuring accurate burner adjustment. It features a dual range capability, operating within 20F to 60F for minimum settings and 80F to 140F for maximum