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The Goodman 20261709S Hot Surface Ignitor is a genuine OEM HSI for the GMPE075-3 gas furnace. This silicon-nitride/carbide element glows red-hot to light the burners on each heating call. Ignitors are a wear item — repeated thermal cycling eventually cracks the element, producing hard no-ignition and no-heat faults. Because the tip is fragile, handling the old ignitor by its ceramic base (never the glowing element) is essential.
This genuine Goodman OEM ignitor ships with the correct bracket, gasket, and plug so it drops straight into the GMPE075 burner assembly. Universal ignitor kits require adapting the mount and splicing leads, and mismatched resistance can shorten service life. The OEM part is tuned to the furnace's ignition timing for reliable, repeatable lights.
Moderate (2 of 5). Shut off power and gas, remove the burner-compartment panel, unscrew the ignitor bracket, unplug the connector, and install the replacement — handling only the ceramic base. Roughly 20–30 minutes. Verify a clean ignition sequence and flame after reassembly.