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it ensures proper atmospheric isolation
direct-fit solution for power termination
and Intertherm heating equipment
It functions as a millivolt generator
Carrier HH18HA493 Limit Switch it ensures proper atmospheric isolationReplace 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
