Standard replacement units typically ship with a holding charge of oil

delivering up to 30% more horsepower capacity while maintaining a 98% energy efficiency rating

If the switch is open while cool

It's designed for seamless integration and robust performance in high-temperature environments

Built with a durable single-phase motor pulling 1

Resideo Q4100C9040 Hot Surface Ignitor 30067439-890 Standard replacement units typically shipThe Resideo Q4100C9040 Hot Surface Igniter is a field proven 120 VAC furnace ignitor designed for professional grade service and repair of gas fired appliances. Constructed from high durability silicon carbide, this component provides reliable ignition for both natural and LP gas systems. The unit features a wide ceramic mounting base with a right rib offset, ensuring stable positioning within the burner assembly to withstand high vibration