Carrier HH18HA493 Limit Switch and Intertherm heating equipment

and Intertherm heating equipment

direct-fit solution for power termination

Its thermal response profile is specifically matched to the furnace's airflow dynamics

preventing excessive pressure droop and ensuring consistent flow across varying inlet pressures (up to 60-125 PSIG depending on orifice size)

Carrier HH18HA493 Limit Switch and Intertherm heating equipmentReplace your faulty safety sensors with the Carrier HH18HA493 Limit Switch, a precise furnace limit control designed for Carrier, Bryant, and Payne residential heating units. This genuine OEM replacement part is a disc style, normally closed (NC) safety device that monitors the heat exchanger and inducer housing temperatures. To prevent heat exchanger cracking or component failure, the switch is calibrated to open the circuit at 200F if overheating