Specifications:

Manufacturer: ICM Controls
Manufacturer Part Number: ICM6500
Product Type: Air Handling Controller
Voltage: 24 VAC, 120/240 VAC
Frequency: 50/60 Hertz
Dimensions: 11.1" x 7.85" x 3.45"
Weight: 0.67 lb
Usage: For electric systems, the blower fan is turned on with the electric heat.
For hot water heating systems, the blower fan, water circulation pump, valve and auxiliary relay are activated by the controller.