The Ford one is an Eberspacher not a Webasto IIRC and is designed to heat the vehicle(also used on Galaxies,Mondeos etc-needed more on diesels than petrols because there is less waste heat) more quickly-not to be confused with mains powered pre-heaters which heat the engine assembly on both petrols and diesels. The Ford unit is an auxiliary heater-not a preheater tho' it could be used as a preheater with an extra control system.
Edited by jc2 on 20/12/2009 at 14:00
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