Smith commercial water heaters utilizing a 3/4-inch escutcheon plug

The most common symptoms include the furnace blower running continuously despite no heat

which happens over thousands of cycles

as they pass through the HVAC plenum

With a standard high-capacity output and a compact footprint

Trane CNT7659 Limit Switch 326058-755 Smith commercial water heaters utilizingAs 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