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The Goodman B1401014 Hot Surface Burner Ignitor is the genuine OEM component that ignites the gas burners on startup in DMP125-52AA furnaces. When the thermostat calls for heat, the control energizes this ignitor until its element glows hot enough to light the burner flame. A cracked or worn-out ignitor is the single most common cause of a furnace that clicks but produces no heat — replacing it is a fast, high-impact fix.
The OEM Goodman ignitor delivers factory-matched resistance and warm-up timing for reliable first-try light-off. Our Generic equivalent is a same-fit replacement built to the same electrical spec at a lower cost. Both plug into the existing harness — never touch the fragile element with bare fingers.
Easy to Moderate. Shut off gas and power, unplug the connector, remove one or two mounting screws, and swap. About 15–20 minutes. Handle the ceramic element only by its bracket.