Rugged Field Construction: Materials are selected to withstand the standard operating temperatures found in commercial condensers and air handling units

providing flexible SPDT control for heating or cooling signals

Engineered to facilitate a secure connection between the motor shaft and a 5/16 inch diameter pushrod

the 79J21 is the current OEM designation and is fully backwards compatible with legacy part numbers 79H21

Maxon 18118 Spark Ignitor Els PW 17895 Rugged Field Construction: Materials areThe Maxon 18118 Spark Ignitor is a critical high voltage combustion ignition component engineered specifically for industrial gas fired equipment, including Maxon burners, gas turbine engines, and high capacity boilers. Featuring a precision 18mm electrode, this ignitor delivers a consistent high energy spark to ensure reliable fuel air mixture ignition, eliminating the need for inefficient pilot lights and reducing instances of incomplete combustion.