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preventing improper compressor staging
direct-fit solution for power termination
It functions as a millivolt generator
Its thermal response profile is specifically matched to the furnace's airflow dynamics
Carrier HH18HA493 Limit Switch preventing improper compressor stagingReplace 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
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