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How do I know if my HH18HA493 limit switch is bad
including R22
If the furnace inducer runs but the burners fail to ignite
Featuring standard 1/4-inch male quick-connect terminals
providing the rapid response time necessary to protect the furnace limit control circuit
Heil Quaker ICP 1320363 Limit Switch How do I know ifThe Heil Quaker ICP 1320363 Limit Switch is a critical OEM furnace safety control engineered for high limit protection in International Comfort Products (ICP) heating systems. This auto reset limit switch features a calibrated opening range of 175F to 195F, designed to interrupt the burner circuit if the heat exchanger temperatures exceed safe operating parameters. As a genuine ICP replacement part, it ensures the precise thermal response required to
