Carrier 17122000002496 Control Board 30067439-890 this Lennox furnace pressure switch

this Lennox furnace pressure switch typically comes with the integrated mounting bracket and is designed to fit the original screw patterns of the specified models

the bimetal disc has likely fatigued and requires a direct replacement

Durable Construction: Built to withstand the temperature fluctuations and vibration levels common in roofstop unit applications

and marine equipment where mechanical stress is constant

Tactical Reliability: Features a compression fitting designed to withstand vibration and maintaining pressure seal integrity

Carrier 17122000002496 Control Board 30067439-890 this Lennox furnace pressure switchThe Carrier 17122000002496 Control Board is a critical OEM replacement part engineered for high performance heat pump systems. Designed for precise regulation of HVAC operations, this main circuit board manages essential functions including compressor cycling, fan speed control, and defrost logic. As a genuine Carrier replacement board, it ensures seamless communication between thermostats and system sensors, maintaining the tight operational