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



Heat vehicle and heat water at the same time

Truma Combi D4E Diesel and Electric Heater with iNet X Panel - New Generation 2023
  • Double comfort through simultaneous heating and hot water preparation
  • Operable as gas, diesel or hybrid heater
  • Lightweight and space saving heater
  • Easy installation
  • Compatible with the iNet system
  • Operation of the Truma Saphir/Aventa air conditioning system possible with CP plus control panel
  • Fan power individually adjustable, Eco or High
  • iNet ready: with Truma iNet Box controllable via app using smartphone
  • Water boost function for fast hot water supply
€3,339.00 *

Prices incl. VAT plus shipping costs

Immediately available
available in stock
721927
For orders, please switch to the German webshop (delivery to Germany only). You would like to order to Great Britain? Then click here.
  • 721927
One device, two functions - the Combi heaters from Truma Combi heaters combine two functions... more
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
    • Combi D4E heater with room temperature sensor
    • Truma iNet X Panel
    • Operator cable 6 m
    • Fuel line
    • Dosing pump
    • Fastening material


    Water connections available separately:

    • Water connection set FC TB Art. 721912
    • Water connection set FC JG Art. 721913
  • Length: 540 mm
    Width: 500 mm
    Height: 350 mm
    Weight: 16.8 kg
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