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The Goodman B1370724 is a genuine OEM ignition control module for the GUPI075-3 gas furnace. This board is the brain of the heating sequence — it manages the igniter warm-up, opens the gas valve, monitors flame via the sensor, and enforces safety timing and lockout logic. Symptoms of a failed module include no ignition, short cycling, blower or inducer that won't start, or repeated lockouts with a healthy igniter and flame sensor.
Control modules carry model-specific firmware, timing, and connector pinouts. A genuine Goodman B1370724 guarantees the correct ignition sequence, terminal layout, and safety behavior — avoiding the miswiring and compatibility issues common with universal aftermarket boards. Note connector orientation before removing the old module.
Moderate (3 of 5). Requires photographing and transferring multiple wiring harnesses to the new board and confirming correct pin placement. Cut all power before servicing. Because it controls the gas valve and safety timing, professional installation and a post-repair combustion check are recommended.