Autoterm Air 4D BASIC URAL EDITION Diesel-Luftstandheizung 4kW 12V inkl. Höhenkit, Zusatztank & Abgasschalldämpfer (was: Planar 44D)

Item number: 18185

Robuste 4kW Diesel-Luftstandheizung für 12V inkl. PU-5 Drehregler, komplettem Einbausatz, Zusatztank & Abgasschalldämpfer - ideal für größere Fahrzeuge, Transporter, LKW und Boote. Paypal Zahlung möglich, Versand mit DHL

Category: 12V Air


starting from 559,00 €

including 19% VAT. , no shipping costs to: DE NL , shipping (Paket)

Available now

Shipping time: 3 - 4 workdays



mounting accessories heaters
  • Flansch zum Einbau von Standheizungen für Böden mit bis zu 48mm Stärke.
  • Flansch zum Einbau von Standheizungen für Böden mit bis zu 83mm Stärke.
  • Stabiler 90° Winkel zur Montage von Luftstandheizungen an Wand oder Boden.
  • Stainless steel mounting bracket for the installation of parking heaters on the floor or on the wall, especially for yachts or boats.
    Suitable for Planar, Autoterm, Eberspächer and Webasto.

Zusatzoptionen Heizung
  • Fuel tube tee, 8mm*5,3mm*8mm. Suitable for PLANAR 2D, PLANAR 4DM, PLANAR 44D air heaters and BINAR engine pre-heaters.

  • Fuel tube tee, 5,3 x 5,3 x 5.3 mm. Suitable for connecting  PLANAR 2D, PLANAR 4DM, PLANAR 44D air heaters and BINAR engine pre-heaters to the fuel system.

  • Anschlusskabel mit 7m-Länge für das Bedienelement der Planar Heizungen 2D, 4D und 44D.

  • Verlängerungskabel mit 3m-Länge für das Bedienelement der Planar Heizungen 2D, 4D und 44D.

  • Ein Temperaturfühler ermöglicht in Kombination mit dem PU-5 Drehregler (BASIC) die Temperaturregelung. Mit dem PU-27-OLED-Display (DELUXE) lässt sich so eine genauere Temperaturmessung oder sogar das Einrichten einer zweiten Heizzone realisieren.
  • Air intake / intake hose for the auxiliary heater with dust filter to get clean air into the combustion chamber.

  • You can use the modem to set and operate all functions of the heating with your smart phone
Your configuration

The Planar 44D is a 4kW diesel air heater by Planar (Advers). It's a reasonably priced alternative to similar models bei espar or Webasto, namely the Airtronic D4. The kit contains everything you need for installation, including a control unit and even a small fuel tank.

This heater is equipped with an automatic high altitude kit. That means, that the heater will automatically adjust the fuel injection quantities to the lower oxygen levels as air pressure decreases with altitude. The sooting of the burn chamber can therefore be drastically minimized. Note: Of course the maximum achievable power reduces proportionally to the amount of oxygen in the air. The algorithm employed is a little more sophisticated, but roughly speaking, you loose about 5% of power for every 500 meters above 2000m.

This heater has been tested by the manufacturer up to 2500mtrs. The software itself calculates injection quantities even in 5000m altitude, but this setting has only been tested at lower altitudes. So while in theory a consistent burn should be achievable, we have no real world feedback on this. Yet.

Important: Running a heater at high altitudes requires very well running fans. That means, best there are no hot air ducts connected to the heater, exhaust and burn chamber inlet need to be as short as possible. The least resistance on all these ducts, the more freely the fan can spin, the more air it can shovel into the burn chamber. Please keep that in mind!

In any case, please note: High altitudes will always be met with a technical compromise of some sort. For longer periods of time (e.g. weeks vs. days) you will need to care for getting the burn chamber up to temperature. If that is not possible, sooting in burn chamber will slowly occur anyway - just as with heaters that are being used only on lowest power setting even at zero altitude. So whatever you do, just as has been the case until now: No warranty for sooted up burn chambers. There never was and there will never be, not even with high altitude kit.

Therefore please let the heater regularly burn at highest power setting, preferably at low altitudes. Generally, for all use cases, that means at least every 1-2 weeks for half an hour on full power, to get rid of any carbon buildup that might have occurred. That is about all you have to do in terms of service to a Diesel heater.

For those very rare special special cases with weeks long stays at altitudes above 4000 meters we guess a burn chamber clean up should be feasible when problems start to occur.


The digital control unit allows for precise temperature or power level control. There is also a lead for external switches or self-made remotes. You can also attach an additional temperature sending to be placed in the living or sleeping area.

All Planar heaters are (e2) mark certified allowing installtion in all vehicles within the European Union without consulting TÜV or MOT offices (or whatever they are called in your country.... ;)) Please not: The mounting holes etc. are identical to Espar, so you can simply replace one of those without having to modify anything.

Technical data:

  • Operating voltage: 12V
  • Heat output: 1kW (min), 4kW (max)
  • Fuel efficiency: 0.12ltr/hr (min), 0.514ltr/hr (max)
  • Power rating: 10W (min), 62W (max)
  • Air flow: 70m³/h (min), 120m³/h (max)


Packing list:

  • Heater 12V
  • digital control unit PU-8 (cable length 1.8m)
  • fuel pump "Thomas Magnet P327"
  • fuel pump rubber mounting bracket
  • wiring harness fuel pump
  • wiring harness heater
  • air intake hose with silencer
  • heat pritection sleeve
  • exaust pipe end screen + clamp
  • fuel intake pipe
  • 5.5m plastic fuel line
  • 7l plastic fuel tank + 3 mounting brackets
  • 300mm universal rubber fuel line connection
  • 1m exhaust pipe, flexible
  • exhaust silencer, stainless steel included (!!)
  • nuts bolts, shrink tube, cable ties, ...
  • manual

Dimensions: See pictures

Fuel tank dimensions:

width: 33cm + 3cm fue outlet
height: 26,5cm + 3cm mounting bracket + 4,5cm filler neck
depth: 10cm

Weight of bare heater: 5.5kgs

Frequently Asked Questions are to be found with just one klick here .


Product weight: 11,00 kg
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