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The B1497204 is the genuine OEM fusible link (thermal cutout) rated at 144°C (291°F) for the Goodman/Amana GDE080-4 gas furnace. This one-time safety device opens the circuit if the blower compartment or wiring harness reaches an unsafe temperature, protecting against overheating and fire. Once a fusible link blows it must be replaced — it does not reset.
The OEM B1497204 is rated to the exact 144°C trip point specified by Goodman. A generic link with a different temperature rating can either trip prematurely (nuisance shutdowns) or fail to protect at the correct threshold — a genuine safety concern. Always match the rating exactly.
Easy. A low-cost, quick replacement. Disconnect power, splice or connect the new link in place of the old, and verify secure connections. Note: if a link blows repeatedly, diagnose the underlying overheating cause before returning the unit to service.