Pilot lights are mounted on the control box to indicate that either a function of the heater is operating or a failure condition is present. The most commonly specified pilot lights functions are: power on, heating on, no airflow, overheating, stages on. The pilot lights' functio...

0-10 VDC Thermostat This thermostat can be used as a room stat or a duct stat with the optional DS600 sensor.

Used to protect the total load or individual stages. High Rupture Capacity type (HRC Form 1).