main combi 30 he

  1. F

    Leak below boiler after PHE swap

    (Main Combi 30 Eco) Hi All, I wonder if you can help. I changed a clogged plate heat exchanger on my boiler a couple of months ago. All seemed to go well and hot water was consistent again. Since then however, I have had a leak from the bottom of the boiler. Didn't notice it for couple...
  2. A

    Main 30HE DHW problemo! Help!

    Good afternoon, New to this place as a Google search finds me a few threads on the Main 30HE combi, so thought I'd try my luck.. New house with a Main 30HE Combi, 12 year old. Seller was adamant it still worked, much to my dismay things went wrong from there. Been here since end of May and we...
  3. Mauser792

    Main combi eco 30 Rads getting hot when hot water is on

    Hi A problem has recently started on my Main Combi 30 Eco elite. When the CH is set to off on the timer the upstairs radiators are getting hot. This seems to get worse when the hot water is running for a while. I have noticed that even when the CH is off and no hot water is being used the...
  4. S

    Main Combi 30 HE - hot water only with heating, not on its own

    Hi there. Please could you advise? I have the above boiler and it is 9 years old. For the last few months you can only get hot water if you have the heating on as well - which has been fine in winter but if we do get hot summer weather, it's not going to be any fun having to have radiators on...
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