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This 155°F Auto Reset Limit Switch monitors the internal temperature of the supply plenum to prevent thermal overruns that can lead to heat exchanger damage or unsafe operating conditions
Precise System Control: Adjustable temperature differential minimizes short-cycling
Reduced Downtime: Direct-fit OEM specification eliminates the need for field modifications or wiring adjustments
The unit features an SPST switch that opens on a temperature drop
Trane CNT7690 Control Board 322055-301 This 155°F Auto Reset LimitThe Trane CNT7690 Control Board (OEM part # CNT07690) is a critical Electronic Valve Control (EVC) assembly designed for precise management of Electronic Expansion Valves (EEV) in high refinement HVAC systems. This Ctrl Brd Assy serves as the primary logic interface for Trane air handlers including the TAM7, TAM8, TAM9, and TAMGB series. By processing real time data from evaporator temperature sensors and thermostat logic, this board ensures optimal
