Resideo Q4100C9046 Hot Surface Ignitor Maintains airtight combustion seals to

Maintains airtight combustion seals to prevent carbon monoxide leakage into the living space

This component is essential for maintaining the safety sequence of operation in high-efficiency gas furnaces and preventing dangerous thermal overrides

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preventing water ingress along the motor shaft that can lead to premature bearing failure or winding damage

facilitating a reliable restoration of the sequence of operation without the need for field modifications

Resideo Q4100C9046 Hot Surface Ignitor Maintains airtight combustion seals toHandle your next service call with the Resideo Q4100C9046, a field proven 120V silicon carbide hot surface igniter designed for maximum durability in gas fired furnaces and boilers. This high temp HSI replacement features a robust ceramic block rated for 392F (200C), ensuring stable performance in both natural gas and liquid propane (LP) applications. The 19 1 8" lead length provides ample slack for complex cabinet routing, while the stripped end