The Fenwal 22-100001-117 Electrode Assembly is an ignition and flame-sensing component designed for gas-fired HVAC heating equipment. It generates an electrical spark to ignite the gas-air mixture and detects flame presence to confirm safe burner operation. Commonly used in gas furnaces, boilers, and unit heaters, this assembly supports reliable ignition and continuous combustion moni... https://www.partshnc.com/22-100001-117-fenwal-electrode-assembly