Abacist
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  • Just been avidly reading your Truma boiler repair posting, as I have the same issue, and hopefully will be attempting mine. Looking at your photos, do you think it would be possible to test/check the elements resistance, at the printed circuit board position (adjacent to where the mains wire connects)
    Abacist
    Abacist
    I am no electronics engineer so I don't know. I just think that testing other than on each end of the element introduces other cables, circuits etc into the test that might confuse matters. I would have no idea where on the PCB to conduct such a test anyway! Sorry to be pessimistic!
    My Truma boiler has frozen and has a little bit inflated, so there is no space between the boiler and the fins on some points. I bent the fins on theese points to create some space there. But then I noticed that the plate is touching the boiler too, because the boiler has inflated there too. I don't know the reason, why the plate is there and if it has/hasn't touch the boiler or the fins.
    Best Regards.
    Karel
    Abacist
    Abacist
    Hi @KP I am no expert but I think you need as little space between the heating elements and the fins as possible just so you can slip the elements in but without having to knock them otherwise the heat will not get to the fins to do their work. I hope I have understood your point!
    Hello, I have read your great thread about disassembling Turma combi. I have a question of the image https://www.motorhomefun.co.uk/forum/media/img_3480.22866/. Do you have any idea, why there is the plate above the fins? Does the plate touch the fins, or is there some space between? Or does the plate touch the boiler?
    Abacist
    Abacist
    Karel - I have no idea why the plate is there other than to say that when the boiler is put back together the plate sits at the bottom of the boiler so perhaps its job is to reflect the heat upwards towards the jacket of water around the boiler surrounded by its fins, thereby making the distribution of the heat better?
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