13-3/4" Wide x 8-1/4" tall x 4-3/4" deep. This auxiliary heater connects to your engine coolant system and blows heat pulled from the coolant into your cab with the internal fan. Wires into a 24-volt vehicle and mounts in the cab.

13-3/4" Wide x 8-1/4" tall x 4-3/4" deep. This auxiliary heater connects to your engine coolant system and blows heat pulled from the coolant into your cab with the internal fan. Wires into a 12-volt vehicle and mounts in the cab.