Because this is a manual reset model

It interrupts the electrical circuit when a preset temperature threshold is reached

having the right lead length is the difference between a clean install and a hacked-together mess

How does this compare to a Class CC fuse for motor protection

Common Questions What is the VA rating for the 90-T40M2

Amana-Goodman 1370910S Limit Switch Because this is a manualThe Amana Goodman 1370910S Limit Switch is a critical OEM replacement part engineered for high limit thermal protection in residential gas furnaces. Featuring a 7 inch insertion length and a 170F cut out temperature, this 36T01 size bimetal switch is designed to interrupt the burner circuit if the heat exchanger or blower compartment exceeds safe operating parameters. With a 140F automatic reset (30F differential), it ensures the system returns to