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    Baxi duotec GA 33 E53

    Oh, cheers... and there we were all optimistic about the fix....... Our local independent will be redoing the condensate when he has time (and if the thing continues working, he'll be servicing it as well - we won't bother renewing the maintenance plan)(what's the point of a maintenance plan...
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    Baxi duotec GA 33 E53

    Oooh - cynical. There won't be a visit no 8 - local independent is on standby, one more error this one gets ripped out and replaced with whatever the installer suggests.
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    Baxi duotec GA 33 E53

    Just to update if anyone is interested. Baxi visit no 7, this time a senior-senior tech. As luck would have it. E53 came up while he was checking it, which helped - very difficult when all the Tech have to work on is our description. Turned out to be a slightly pinched PCB wire to the fan. The...
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    Reducing water hardness to prevent scale buildup

    It was not an Aquabion, but same sort of thing we had fitted as part of our first combi install (as required by the manufacturer). After a quite a few years with various boiler breakdowns, the boiler started kettling, the heat exchanger was scaled up and pinholed. The Vaillant tech suggested...
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    Reducing water hardness to prevent scale buildup

    I don't know if the attached link will help you make up your mind. Swedish research, that - according to their findings - said that Aquabion definitely does not work. We have a softener (block salt) and while can't say it makes much difference to skin or hair, does seem to keep all our...
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    Baxi duotec GA 33 E53

    Thank you. According to Baxi, 2 of the Techs sent out are senior techs. Not sure how senior. So far, nobody has been able to pinpoint any specific cause. The condensate has only been checked at the boiler end (Twice, both Techs said it was OK). The pipe runs vertically straight from the boiler...
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    Baxi duotec GA 33 E53

    Spoke too soon ... Baxi Tech no 6 came out Monday 3rd. Left it working. Same fault back today - E53. But turn off whatever is running and it clears itself - which Tech 6 said should not happen. Tech 7 booked for Tuesday (luckily, we have a maintenance plan with Baxi...). Interesting, Tech 2...
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    Baxi duotec GA 33 E53

    Just an update - Baxi came out today, I asked about the condensate trap (as suggested - thanks gas112) and after all the recalibrating and adjusting he took it out, it was extremely gunged up. Nice and clean now, though. So it may have been the cause of E53. Please keep fingers crossed for me...
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    Baxi duotec GA 33 E53

    Thanks. We'll certainly ask the next Tech (no 6) to check the condensate trap again - has been checked twice and was OK. Getting the pipe under the boiler to a bucket may be interesting , as - like so many - when the boiler was installed by the home manufacturer most of the pipework is...
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    Baxi duotec GA 33 E53

    Thank you - indeed it does (another Baxi website also says possible combustion error..) But - IF it is the condensate pipe, 2 techs have checked it and said it is clear, and surely if it was the condensate blocked or very slow draining, then the boiler would not immediately clear the E53 as soon...
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    Baxi duotec GA 33 E53

    1st post here, long time lurker. So I know that you cannot give gas-safe advice on the forum. Long introduction before I get to the question - sorry. Background: park home (basically a wooden bungalow) with above boiler installed (yes, I now know it is oversized) 10 years old. Vertical flue...
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