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The Goodman B1370724 Ignition Control Module is the genuine OEM board that manages the complete ignition sequence for the Goodman GUI150-5 gas furnace. It controls the igniter, gas valve timing, flame sensing, and safety lockout logic. When a furnace won't light, short-cycles on ignition, or shows a fault at startup, a failed control module is one of the most common causes — and this OEM replacement restores reliable, safe ignition.
The OEM module guarantees the correct ignition timing, trial-for-ignition period, and flame-sense sensitivity programmed for this furnace platform. Universal or aftermarket boards may require rewiring, may not match the safety timings, and can void warranty coverage. For a combustion control this critical, install the exact OEM board.
Moderate to advanced — involves disconnecting and reconnecting the low-voltage harness and line-voltage connections in the correct positions. Photograph the wiring before removal, cut all power first, and verify flame-sense and ignition operation after install. Professional installation recommended.