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The Eberspacher D4 is a larger, more powerful unit than the D2 with two outlets to match the higher output.
The Eberspacher system feeds itself with fuel direct from your vehicle, reducing the need for a separate fuel tank, however if you need heating in a cabin or remote setup it can be installed with an accessible fuel tank to fit your needs.
Eberspacher air heaters are compact and economical units at the top of the line for domestic and commercial use, directing temperature control wherever needed.
With an easy "plug and play" installation and plenty of user friendly functions, this heater can be set up exactly to your needs. It comes with diagnostics and electronic control to make sure your product lives longer, uses less fuel and any faults are quickly picked up by any eberspacher service dealers