Armstrong Furnace R40663-002 Ignitor & Flame Sensor Q3300

The Armstrong Furnace R40663-002 Ignitor & Flame Sensor Q3300 is an essential component that is meant to offer better performance in HVAC systems, especially in Armstrong Furnaces. This dual-function part is used to turn the gas burner on and off and to sense the flame's presence when heating. It also has a relatively small chance of leaking gas and therefore is safe and more reliable than most other technologies. The ignitor functions under harsh environments and gives a clear indication of its reliability and accuracy. Advantages are energy efficiency, risk reduction in operations, and increased durability of systems.