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    Vaillant Turbomax 242e Hot Water Running Cold at High Rate

    Sorry to bump, but does anyone have one of these or know if the burner should VISIBLY increase in output with DHW speed, so that I have some idea whether there is a problem or not. I would assume that it should, but never saw it when it was working! The spec says that the output varies between...
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    Best Boiler?

    This is probably another discussion topic because its a whole can of worms in itself, BUT I can not say enough that IF you intend to have a thermostatic mixer shower running off a combi at any point, and IF you want performance of the shower to approach what people would consider "power shower"...
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    new combi boiler, now have cold shower :-(

    Well, its probably the flow rate - there are a million posts asking questions about combis and flow rates on here ( including one from me ) and so it is really a common problem. HOWEVER... if you have a flow rate adjuster on the shower itself, then in theory turning the flow down should help...
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    Blocking off shower pipes

    I think that you would also need a straight coupler before you could fit the end cap? Either that be it may be possible to leave the elbows on and fit the cap directly to the elbow ( though the thread may be different. ) Nope... ignore that - I was thinking of a different end cap!
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    new combi boiler, now have cold shower :-(

    If it's just a mixer shower, then normally it will have a hot and cold tap and so you could just adjust them until the flow rate is slow enough. A thermostatic mixer will generally have some way of adjusting the temperature, whether in combination with flow or as a separate control. The...
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    Best Boiler?

    I'm not an expert by any means, but I would suggest that if you plan to run a mixer shower off a combi then £1000 isn't enough! I would stick with an electric shower, or at a push use a system boiler ( though pressure for the shower can then be a problem. ) In my very limited experience to...
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    Vaillant Turbomax 242e Hot Water Running Cold at High Rate

    Just following up my own posts - I did some ( very inaccurate ) measurements. At roughly 9l/min, the rise at the tap is about 30 degrees. At around 13l/m, which is pretty much fully open, this drops to only 18 degrees. The spec says 35 at 10l/min, so given the inaccuracy of the readings it may...
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    Vaillant Turbomax 242e Hot Water Running Cold at High Rate

    My mother-in-law has a Turbomax 242e, about 11 years old ( green control knobs. ) The initial symptom that was noticed was that her shower began to run cold ( a thermostatic mixer job with a single flow/temp control. ) She has a service contract with Southern Electric, and at first they told her...
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