Truma Combi D4E Diesel and Electric Heater with iNet X Panel - New Generation 2023

One device, two functions - the Combi heaters from Truma

Combi heaters combine two functions in one device: They heat the vehicle interior and simultaneously heat water in the integrated stainless steel tank. They are available as a gas or diesel heater, optionally with additional integrated electric heating rods (Heat Hybrid).

New features to the Combi D "next generation":

• Lighter: Weight savings in Combi D by 3 kg and Combi D (E) by 3.4 kg compared to the previous models
• Saver: Very low battery power consumption and less diesel consumption due to more efficient combustion 
• Individual: Quickly heat up or regulate temperature constantly, depending on need
• Autonomous: Due to lower power consumption even better for self-sufficient camping suitable 
• Autonomous height adjustment: Integrated altitude sensor automatically ensures optimal combustion process at altitudes up to 3000m
• Service and maintenance friendly: Longer life due to more efficient combustion control
• Uniform:Water connections, pipe system and wall chimney cutout are the same for both Combi variants (gas & diesel next generation)

Technical data:

• Number of combustion stages: 4
• Heat output: 1000/2000/3000/4000 W
• Water capacity: 10 l
• Nominal heat output mixed mode: max. 3800 W
• Nominal heat output electric mode: 900 W & 1800 W
• Heating the water from about 15 °C to about 60 °C: about 20 min.
• Fuel consumption: 0.1 - 0.4 l/h