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Type: Posts; User: mtmcgavock

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  1. Replies
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    That's what I love about Evohome and many of my...

    That's what I love about Evohome and many of my customers do - you can just set it and forget it! The only time I ever really mess with the App if is the HW needs boosting or at this time of year...
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    I'd stick with your 22 year old boiler too!

    I'd stick with your 22 year old boiler too!
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    Not really no, as the boiler won't be able to...

    Not really no, as the boiler won't be able to modulate down enough to achieve that lower temperature and stay there. Of course this will happen if you've only got demand on a few radiators, if your...
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    Not really, Opentherm is a flow temperature set...

    Not really, Opentherm is a flow temperature set point. If your boiler only has a 1:4 modulation range, in some cases (on a 20kw output) itíll only modulate down to 5kw (or if 1:6, 3.3kw) if your...
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    Vaillant Green IQ, 1:10 modulation range. No...

    Vaillant Green IQ, 1:10 modulation range. No opentherm, but the modulation range makes it great for EvoHome. I'm told by some Vaillant Senior engineers it'll even modulate down more than the 1:10...
  6. The noise really never bothers us. Out of...

    The noise really never bothers us. Out of interest is yours an open vent or sealed system? @DIY2
  7. Sorry for the delay in replying, Gmail decided to...

    Sorry for the delay in replying, Gmail decided to file the forum notification under spam.



    Yes this is the existing cylinder stat. Quite important this stays wired in and in use. As you say...
  8. You will have to leave the existing Dual...

    You will have to leave the existing Dual cylinder/high limit stat wired in series with the EvoHome HW sensor/BDR91 to meet regs too.

    You've also already got an Automatic bypass in too, it's a...
  9. We're Honeywell Connected Specialists ourselves,...

    We're Honeywell Connected Specialists ourselves, yet at no point have we ever been contacted by Honeywell to test new systems out, or recommend what could be changed etc. And we've installed a good...
  10. Replies
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    I understand how Opentherm works and i've fitted...

    I understand how Opentherm works and i've fitted Evohome systems with it. Yes it is the way forward and I do think it's a great idea. As i've said Vaillant to an extent have been doing this on their...
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    Thanks. No in this case you wouldn't use/require...

    Thanks. No in this case you wouldn't use/require the Vaillant Controller and just use the S/L on the boiler. So it would just be an On/Off and you'd have to set the required flow temperature on the...
  12. Replies
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    I think that's a bit of a harsh comment. We're...

    I think that's a bit of a harsh comment. We're always open to trying new things, and i've tried different brands over the years in boilers. Most heating engineers wouldn't even know what Evohome is,...
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    Also to save you ruining your new tiles should...

    Also to save you ruining your new tiles should you ever not use Evohome I stuck my T87RF on the wall with some double sided 3M tape. Means there's no holes should we ever come to remove it!
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    No, but how about a HR91 and a T87RF? We have the...

    No, but how about a HR91 and a T87RF? We have the T87RF in the bathroom and find them particularly useful for turning up the Towel rail before you have a shower to warm towels, then back down when...
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    The fact is I chose not to install Atag or...

    The fact is I chose not to install Atag or Intergas because I don't believe as a whole package they're a good option. I've serviced a few and I don't like them. It's not just a matter of trying new...
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    I can only base my opinion from experience, so...

    I can only base my opinion from experience, so i'm not quoting any 'official' figures etc. I've based my opinion not only on reliability, but design, product offering as an installer and the warranty...
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    Heating Engineer, with a business with over 35...

    Heating Engineer, with a business with over 35 years of experience. I'd like to think my opinion is of some value.

    You're basing your recommendation of Intergas off limited knowledge and...
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    I'd be sticking to Vaillant. Pretty hard to beat...

    I'd be sticking to Vaillant. Pretty hard to beat IMO.
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    Why are you only running it in the evening? You...

    Why are you only running it in the evening? You aren't meant to run UFH for short periods otherwise you won't get the correct heat out of it. In effect you are heating a big surface area that holds...
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    Runs 24/7 during the winter at 21oc,...

    Runs 24/7 during the winter at 21oc, Spring/Autumn it drops down a couple of degrees at night to 19oc. Mixture of UFH and rads. Manifold with mixing valve set to around 60oc. We have had it lower...
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    All of Plumb Centers Stats etc. are made by...

    All of Plumb Centers Stats etc. are made by Honeywell. Their most commonly sold programmable roomstat product is the Honeywell CM707 badged up as Center Brand
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    Run 3 UFH separate zones off BDR91s and have no...

    Run 3 UFH separate zones off BDR91s and have no issues with them, temperature control is just fine. IMO the HCC80 is a waste unless you have 5+ zones.
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    Have to say i've often wondered what all the fuss...

    Have to say i've often wondered what all the fuss was about with the noise but we only ever fit them on Sealed Systems and not open vented ones.

    Mine doesn't even wake me up in a morning, I have...
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    You've not by any chance changed the default...

    You've not by any chance changed the default cycles per hour or minimum on time in the settings have you? Originally I had mine set on 3 cycles per hour and 5 minute on time, however I was finding...
  25. Why would you want to control it with a pipe...

    Why would you want to control it with a pipe stat? The idea being it continuously pumps HW round the house during occupied times, I can't see any advantage to temperature control. What I can see is...
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