The Utica-Dunkirk 28685 Ignitor Type F Single Pack is a replacement ignition component designed for compatible Utica and Dunkirk gas-fired boilers and heating HVAC systems. It generates the high-temperature spark or glow required to ignite the gas burner, ensuring a safe and reliable startup sequence. Engineered for dependable performance, this ignitor supports consistent burner ignit... https://www.partshnc.com/28685-utica-dunkirk-igntr-120v-601-type-f-sngl-pk