$174.01
Lennox 81W03 Ignition Control Replacement Kit
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Bring reliable furnace ignition back to life with the Lennox 100973‑02 (81W03) ignition control board—a genuine OEM replacement designed for select high-efficiency Lennox furnaces. Ideal for units equipped with a 95 V hot surface ignitor, this board ensures precise ignition sequencing, flame sensing, and blower control.
| Ignition Type | Hot surface ignition (HSI) |
|---|---|
| Ignitor Voltage | 95 VAC |
| OEM Part Number | 100973-02 |
| Amperage | 0.5 A |
| Line Frequency | 60 Hz |
| Product Depth | 1.31 in |
| Product Height | 4.6 in |
| Product Width | 5.8 in |
| Gross Weight | 0.75 lb |
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