The new line of AIRTRONIC heaters is designed for many types of applications. They are especially suitable for cab and sleeper heat in trucks. These air heaters cycle quietly through four heat levels to maintain a desired comfort setting, without idling your engine.

• Economical.
• Low fuel and power consumption.
• Integrated control unit.
• Ease of maintenance and installation.
• Self-Diagnostics.
• Fewer spare parts than it’s predecesor.
• New quick release top cover for easy access.

Specifications	AIRTRONIC® D2	AIRTRONIC® D4
Heat Output BTU/hr(KW)	7,500 (2.2) Boost 6,150 (1.8) High 4,100 (1.2) Medium 2,900 (0.85) Low	13,650 (4) Boost 10,200 (3) High 6,800 (2) Medium 3,400 (1) Low
Fuel Consumption gal/hr (L/hr)	Diesel 1,2 or Kerosene 0.07 (0.28) Boost 0.06 (0.23) High 0.04 (0.14) Medium 0.026 (0.10) Low	Diesel 1,2 or Kerosene 0.13 (0.51) Boost 0.10 (0.38) High 0.07 (0.25) Medium 0.034 (0.13) Low
Electric Consumption 12 V model shown 12 V or 24 V available	On start 8.3 amps 2.8 amps (Boost) 1.9 amps (High) 1.0 amps (Medium) 0.67 amps (Lows)	On start 8.3 amps 3.3 amps (Boost) 2.0 amps (High) 1.1 amps (Medium) 0.6 amps (Low)
Air Throughput	48 cfm on Boost 40 cfm on High 27 cfm on Medium 19 cfm on Low	85 cfm on Boost 69 cfm on High 50 cfm on Medium 30 cfm on Low
Weight	6 lbs. (2.7 kg)	9.9 lbs.(4.5 kg.)