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  1. J

    Vaillant Eco Max 824E - Very slow hot water flow

    Agree with you there. Took the engineer's details for any future problems. Trouble is it's the luck of the draw whether you get someone who knows his stuff or someone like the first engineer who didn't have the experience behind him and winged it (he shouldn't have told us that the problem was...
  2. J

    Vaillant Eco Max 824E - Very slow hot water flow

    Thanks to Hason for your reply. The problem is fixed. We were extremely lucky to get a heating engineer who specialised in Vaillant and knew what he was doing. He said there were two inline filters which he cleared using acid... the system is now running perfectly again, with the hot water...
  3. J

    Vaillant Eco Max 824E - Very slow hot water flow

    Many thanks Hason. She has an insurance policy on it hence the heat exchanger fix. I didn't really think the engineer covered all bases.... as in, it still didn't fix the problem. I wanted to get some professional advice on what the problems might be so I could talk to the next engineer who goes...
  4. J

    Vaillant Eco Max 824E - Very slow hot water flow

    Hi everyone. Hoping that a knowledgeable heating engineer might be able to point me in the right direction with this problem. My 95 year old MIL has the above boiler. Hot water pressure is non existant and tbh I think it has been for a long time. She had the boiler put in when she moved in to...
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