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The B1497204 Fusible Link is a genuine OEM Goodman thermal safety device rated to open at 144°C (291°F), protecting your GUE080-4 furnace from dangerous overheating. This one-time thermal cutoff breaks the control circuit if temperatures in the blower or burner area exceed safe limits, shutting the unit down before heat damage or fire risk can occur. When a fusible link blows, the furnace goes dead until it is replaced — making this an essential, low-cost repair part to keep on hand.
Because this is a safety component, the trip temperature must be exact. Generic links with loose tolerances can nuisance-trip early or, worse, fail to open at the correct threshold. This OEM Goodman link is calibrated to the factory 144°C spec so your furnace's overheat protection behaves exactly as engineered.
Difficulty: Easy. Power down the furnace, locate the failed link on the wiring harness, and replace it inline via the existing connectors. Typically a 10–15 minute job. Always identify and correct the root cause of overheating (dirty filter, blocked airflow, failing blower) before restarting.
An inexpensive part that restores your GUE080-4's critical safety shutoff.