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Old 11-28-2018, 02:53 PM   #41 (permalink)
cptsideways
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Join Date: Aug 2013
Location: Dorset UK
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I'd go down the route of a Webasto ThermotopC its a water heater diesel fired. Plumb it into the waterworks, it will heat the water to 80deg C in about 20mins. A lot of modern diesels have them in Europe for this exact reason. They use a tiny amount of fuel about 0.2L per hour.

I have one on my 80 landcruiser with remote activation, I've even rigged it up to run the heater fan & all runs off a leisure battery, all diy fitted, utterly brilliant. Mine came from a Rover 75 but they come in BMW's, Landrovers & all sorts.

https://www.butlertechnik.com/vehicl...incl-timer-p72

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