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The Goodman B1497204 is a factory-original 144°C fusible link, a one-time thermal safety cutoff designed as a direct-fit replacement for the Goodman GDI150-5 gas furnace. The link opens the circuit permanently if temperatures exceed its 144°C (291°F) rating, protecting the furnace and home from overheating caused by restricted airflow, a failed blower, or a stuck limit. When a fusible link blows it must be replaced — it cannot be reset.
Safety devices are not the place to gamble on generics. This genuine Goodman link is calibrated to the exact trip temperature the furnace was engineered around. Off-brand links may trip early (nuisance shutdowns) or late (a real hazard). Insist on OEM for any thermal safety component.
Rated Easy. Disconnect power, locate the blown link in the harness, unplug the connectors, and snap in the replacement. No tools beyond possibly a nut driver; 10–15 minutes. Important: a blown link means something overheated — diagnose the root cause (dirty filter, weak blower, blocked vents) before returning the furnace to service.
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