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The B1370724 is a genuine OEM Goodman integrated ignition control module engineered for GDI100-4 gas furnaces. This board manages the complete ignition sequence — inducer start, igniter warm-up, gas valve timing, flame sensing, and safety lockout — so your furnace lights cleanly and cycles safely every time. If your furnace is failing to ignite, short-cycling, or throwing repeated flame-loss faults, a degraded control module is a common root cause.
This is the genuine Goodman OEM board, matched to factory ignition timing and safety parameters — the safest, longest-lasting choice. Aftermarket universal boards may fit but often require field programming or jumper changes and can behave inconsistently with the GDI100-4 gas valve. For a control board, we strongly recommend OEM.
Moderate — Plan for 30–45 minutes. Requires shutting off power and gas, photographing the existing wire harness, and transferring low-voltage connections exactly. No special tools beyond a nut driver and a labeled photo of the old board. If you are not comfortable working with 120V furnace wiring, use a licensed HVAC technician.
Always disconnect power at the breaker before servicing your furnace.