Back Seat Heat 4000, 24 Volt Heater

24 Volt Heater for Large Construction Vehicles Roadworthy 24 Volt BackSeat Heater instant warmth for cold areas in autos, RVs, vans, boats, trailers, truck cabs - virtually any 24 Volt vehicle - with over 2100 BTU's of heat. Powered by the vehicle's battery, this truck heater that operates on 24 volts is easily installed. Back Seat Heat 4000 mounts quickly in different locations or vehicles. Outer housing stays cool during use. Ignition block allows truck heater operation only when engine is running. Unique cell design: 100% efficient heat transfer to room air. Note: Not intended as primary heat source. Air output is 20 degrees to 30 degrees warmer than air input. Alternator must produce 45 to 40 amps for enough power to operate heater. Mount low, along floor, under elevated seats, on wheelwells, or on the floor. Start vehicle before turning on heater. Operate heater and fan ONLY if engine is running. Installation required. Included: wire, optional dash mounted switch and universal mounting bracket. Back Seat Heat Model 4000 (24 Volt Only) Specifications: Patent #4,9000,898 and 323,553 Voltage: 24V DC Current: 25 amp @24 VDC Power consumption: 600W, 2100 BTUs High temperature cut-out recycling limit switch Wire harness length: 20 ft Universal mounting bracket Auxiliary control: optional dashboard on/off switch Controls: off, fan only, heat Adjustable thermostat Fan rating: 102 CFM Assembled in USA Warranty: 2 years Dimensions: 5.25 in x 7.25 in x 8.25 in Weight: approx. 6 lbs