Lennox 21L99 Flame Sensor Common Questions: Can this be

Common Questions: Can this be used in 24V systems

Is this required for a standard wallbox installation

provided an appropriate flare is generated

This round dual run capacitor has a 2-inch diameter and a case height of approximately 3

As a critical heavy hammer type component

Lennox 21L99 Flame Sensor Common Questions: Can this beProfessional grade Lennox 21L99 Flame Sensor is a critical OEM replacement part designed to maintain pilot and burner safety through precise flame rectification. As a veteran preferred component, this sensor is engineered to monitor the furnace flame and provide the necessary DC microamp signal to the control board, ensuring the gas valve remains energized only when a safe ignition is confirmed. It serves as a direct OEM replacement for the Lennox