Optimized Response: Selectable 2

Any oil or moisture contamination in the 15-30 psig main air line will cause internal failure and signal drift

this provides a drop-in OEM HVAC part that restores the original subcooling and superheat parameters required for peak system longevity

Climate Control Stability: Helps maintain consistent indoor comfort by responding accurately to temperature changes

as they pass through the HVAC plenum

Trane CNT7659 Limit Switch 326058-755 Optimized Response: Selectable 2As a veteran HVACR contractor, you know that a failed flame rollout switch is often the first sign of a restricted heat exchanger or combustion airflow issues. The Trane CNT7659 Limit Switch is a critical OEM safety component engineered for precise over temperature protection in residential furnaces and rooftop units. This L300F manual reset limit switch is factory calibrated to trip at 300F (149C), effectively interrupting the control circuit to