Emerson Climate-White Rodgers 21D64-44 Universal Silicon Nitride Kit 120V

The Emerson Climate-White Rodgers 21D64-44 Universal Silicon Nitride Kit 120V is an ignition sensor that is applied in HVAC systems, namely gas furnaces and boilers. It is sensitive to the existence of a flame and transmits a highly dependable signal to the control module to ensure the effective and safe operation of the burner. This sensor is placed on the burner assembly, which is a component of the ignition cycle of the system, to help prevent the accumulation of unburned gas and the stable heating of the system in residential and light commercial systems.