Plenum Sensor - "HIGH Temp." Controller - AC Voltage

Temperature Controller/Plenum Sensor - For (SERIES 1) Model 12HF Humidifiers with AC Plenum Sensor/Controller and Solenoid Valve. The Plenum Sensor Senses the Temperature of the Plenum to Determine the START and END Times of the Humidifier During the Call for Heat.

Please Note: New 12HF Humidifiers are manufactured with 24V DC Solenoid Valves and Plenum Sensors.