Fitting a new element in truma boiler?

Discussion in 'Motorhome Chat' started by Dai Motorhome, Mar 21, 2014.

  1. Dai Motorhome

    Dai Motorhome Read Only Funster

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    Has anyone fitted a new element in a Truma combi boiler? Wondered whether it is a doable DIY task?
    Cheers
    David
     
  2. sdc77

    sdc77 Funster

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    I haven't personally but I have watched the entire process and the boiler needs to be drained and removed.. Top taken off and the existing elements can be slid out. Care has to be taken that they come out evenly and likewise when replaced they have to go in evenly. There are two lengths of element cable.
     
  3. bashfop

    bashfop Funster

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    Myself and a maintenance colleague did our boiler last year. It took a good 4 hours as not only does the boiler need to be taken out from under the bed but both ends need to be dismantled to access the elements. One element came out fairly easily but the second was stuck, we had to use the persuader to remove it, turned out it had partially fused itself to the channel it sits in.

    In hindsight we had spent the last 4 years with only one element working as we now have a much quicker response to demands for heat and hot water. Worth the effort in the end.
     
    Last edited: Mar 21, 2014
  4. maz

    maz Funster

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    It took Clwyd Caravans (who I can now highly recommend :thumb:) only about 5 mins to confirm my diagnosis of a failed element.

    To replace the elements the boiler had to be removed from van. Apparently the elements were a bit of a pain to get out - one had split and one was warped. Once they were out the replacement was straightforward. Took them around 2.5 hours but that included replacing the water pump at the same time.
     
  5. Snowbird

    Snowbird Funster Life Member

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    I must have a different Truma boiler than the rest of you. The mains side of the thing did not work when I bought the van even though the gas side was fine. It took about 10 minutes to change the element, but I must say, the replacement was not cheap. All I did was turn the pump off and drain the boiler down and unscrew the element with the boiler in situ.
     
  6. maz

    maz Funster

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    Probably. :Smile:

    OP's other thread re Truma settings shows pics of the control panel which looks like that of the Combi 4e/6e. I suspect they get more complicated with each version ...... :RollEyes:
     
  7. pappajohn

    pappajohn Funster Life Member

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    same as the last one i had a look at.

    short length immersion element in the side of the boiler
     
  8. Dai Motorhome

    Dai Motorhome Read Only Funster

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    This is looking to be more of a job than I can confidently tackle !
    Looks like a trip to my nearest Truma service provider. Many thanks for all the advice- it's much appreciated!
    Cheers
    David
     
  9. Snowbird

    Snowbird Funster Life Member

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    Thats the one John. Progress is not always a good thing :Smile:.
     
  10. dave newell lvs

    dave newell lvs Trader-Vehicle Services

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    There is some confusion here. The Ultrastore is the unit most commonly referred to as a "boiler" as its sole purpose is to heat water. The OPs unit is a Combi which is totally different as it does water and space heating. In the middle would be the older "C series" combined space and water heaters. Electric element replacement on an Ultrastore is a generally simple task, a C series or Combi is much more involved.

    D.
     
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  11. g8ysn

    g8ysn Funster

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    did mine myself allow about 5/6 hours & multiple cups of t,main thing is dont be frightened to attempt it,un-cupple push on clips [water] disconect elec[mark] unscrew from base [lift out] take covers off check elements [take nuts of prise out and refit new ones, about £80 a element, guy charged me £130 to look at it,quoted £250 just 2 take it out approx £600 did it mysrlf for£150:thumb::thumb:
     
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  12. dave newell lvs

    dave newell lvs Trader-Vehicle Services

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    What about disconnecting and reconnecting the gas supply to the heater?

    D.
     
  13. Techno

    Techno Funster Life Member

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    It would be useful if the OP states what unit we are talking about? as Dave has pointed out what is involved will be considerable different depending on this.

    As can be seen here with my 6002 the whole cabinetry has to be dismantled just to see it. A 6002EH would need it completely removing to do the work. Man hour intensive

    [​IMG]
     
    Last edited: Mar 22, 2014
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  14. Dai Motorhome

    Dai Motorhome Read Only Funster

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    Took the motorhome into Highbridge Caravan is yesterday. They confirmed it was the element which has failed. Also told me it could take up to 4 hours to replace. Not looking forward to the bill!:cry::cry:
     
  15. Wildge

    Wildge Funster

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    :thumb: Please keep us updated on this. We have a 2007 Swift and have never found the heating to be particularly brill. on electric...........
    but on gas magic.


    Perhaps we have had the same problem. :Sad:
     
    Last edited: Apr 2, 2014
  16. maz

    maz Funster

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    If it's a Combi 4E/6E that you have, then the electric element is rated at a maximum 1.8kW. This compares with a maximum on gas of 4kW for the Combi 4E and 6kW for the Combi 6E. So there is a noticeable difference in the heat outputs from the two different sources.

    The position of the boiler and layout of the hot air ducts can have quite an effect on the overall warmth provided by the heating, and this is most noticeable when on electric. If you have a centrally-located boiler and therefore pretty much equidistant duct runs, heating on electric alone will generally keep you nice and cosy (in a well-insulated van, anyway). If the boiler is located at the rear of the van, you may well find that on electric there is very little heat left to crawl out of the front vents because of the lengthy duct run. This drop is not as noticeable on gas as there is greater heat output to start with.

    So, depending on your van layout, it may not be a failed element but more a feature of the duct runs. Hope this helps. :Smile:
     
  17. Dai Motorhome

    Dai Motorhome Read Only Funster

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    Well the Burstner is back from the doctors! BOTH elements had blown!!:cry:
    The bill was substantial: four hours labour plus elements- but I thought that Highbridge caravans were fair. They kept the elements to show me, and I could see it took all of the four hours!!
    Still at least it's fixed and I can now consume vast quantities of electricity whilst on site!!!:Smile:
    Thanks again for all the help.
    Dai
     
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  18. Honestcon

    Honestcon

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    We have one of these combis. When I switch it on, it runs for about a minute before an ominous "CLICK" and then the red light comes on. Would you say this is something other than the element?
     
  19. campa cola

    campa cola Funster

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    When mine leaked out of the element housing Truma replaced the whole thing under warranty, obviously a bit of a fiddly repair for Dyce Caravans to do! Mind you I had to take it back after the hab check and I told them it was leaking and their diagnosis was the shower was leaking. I explained Water does not flow uphill (boiler higher than the shower and leaking onto the boiler shelf) .....and they still managed to misalign the reinstallation!
     
  20. Serendipitous

    Serendipitous Funster

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    Changed the elements in a 6e a few weeks ago.

    Biggest task was stripping out the wardrobe base and bed access steps to get the unit out.

    Fairly straight forward, remember to take photos of the connections etc so you don't make any mistakes ditto you can see how it supposed to be.

    Had issues when refitted, the RJ11 connector for the remote control was loose. Now works now it doesn't. Cutt off and replaced now ok.

    As mentioned by others had to persuade the old elements to come out but refitting easy enough.

    Quite shocked by the fluff etc in the circulation fans.

    Elements not cheap but available from Johns Cross (Funster discount)
     
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