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Type: Posts; User: paulockenden

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  1. Replies
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    And if you have a combi then the boiler size will...

    And if you have a combi then the boiler size will be dictated by the simultaneous heat demand (how many bathrooms, etc.)

    But some boilers allow you to specify a different rating on the CH and DHW...
  2. Replies
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    Honeywell OpenTherm Bridge works fine with this...

    Honeywell OpenTherm Bridge works fine with this model boiler.

    P.
  3. A 3B+ will happily run Domoticz. But do be aware...

    A 3B+ will happily run Domoticz. But do be aware that Raspberry Pis are notorious for chewing through the limited write-lifetime of SD cards. There's all kinds of tricks available to minimise this if...
  4. It really wasn't. Or rather, wasn't meant to be.

    It really wasn't. Or rather, wasn't meant to be.
  5. I just love the fact that Evohome is still being...

    I just love the fact that Evohome is still being supported / improved, despite the controller being a bit long in the tooth now.
  6. I used to have, but when I added the pre-heat...

    I used to have, but when I added the pre-heat tank before my Intergas combi I added the special sensor for this, and that seemed to clash with the outside temp sensor, so that got ditched.
  7. I don't understand how that could possibly work....

    I don't understand how that could possibly work. The CS92A is a send-only device. There's no way for it to know that you've pressed the BDR91 button.

    Unless.... pressing the button causes the tank...
  8. Evohome hasn't been updated? I presume...

    Evohome hasn't been updated?

    I presume everyone missed the very significant controller firmware update last year?
  9. Replies
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    I have both the gateway and Evohome. They are...

    I have both the gateway and Evohome. They are fine together. Stop worrying.
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    I think that's what the HGI80 was originally...

    I think that's what the HGI80 was originally intended for.
  11. Like I said Ally, it's hard to know whether...

    Like I said Ally, it's hard to know whether there's still delays when thee's no big morning ramp up in temps or evening ramp down. I think we'll need to wait until Spring before the problem is...
  12. The outside temp problems are caused by delays,...

    The outside temp problems are caused by delays, and are most noticeable when the days are warm and the nights cold, during the evening and morning.

    This time of year when the temperature is...
  13. Replies
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    Maybe it doesn't happen if there's a full comms...

    Maybe it doesn't happen if there's a full comms outage (perhaps if the session is down then the remote end just drops the change). But I have seen it with 'iffy' comms. In one instance where my ISP...
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    Or your broadband. Or the WiFi connection to...

    Or your broadband.

    Or the WiFi connection to your controller.

    So many possible causes. Some of which are easier to eliminate than others.
  15. I'm pretty sure it isn't. What's you're calling...

    I'm pretty sure it isn't. What's you're calling tap water temp is exactly that. Heating return is something completely different.

    P.
  16. Replies
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    It works fine, and you can pick up the legacy...

    It works fine, and you can pick up the legacy electricity monitors on eBay.

    I might even have a spare one here, somewhere...
  17. Replies
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    I'm using the Smappee gas monitor with the old...

    I'm using the Smappee gas monitor with the old school (pulsing green LEDs) Smappee energy monitor. All works fine.

    P.
  18. Replies
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    Good points. But the thing about 2.7 times the...

    Good points. But the thing about 2.7 times the power isn't really fair because I'd expect hydrogen production to be sited close to sources of zero carbon electricity (solar farms, wind farms, tidal...
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    Interesting read here from Siemens :...

    Interesting read here from Siemens : https://www.siemens-energy.com/global/en/news/magazine/2020/repurposing-natural-gas-infrastructure-for-hydrogen.html
  20. Replies
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    There's already a roadmap to add 10% hydrogen to...

    There's already a roadmap to add 10% hydrogen to the existing mains gas supply.
  21. Replies
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    The thing is, for now at least, gas is still the...

    The thing is, for now at least, gas is still the cheapest way to heat a home. But quite some factor. Things like heat pumps currently only make economic sense if you're using LPG or heavy oil for...
  22. One day I'll wireshark the app and see if there's...

    One day I'll wireshark the app and see if there's a way of pulling the data by pretending to be a phone!
  23. Last of return temp is REALLY annoying. You can't...

    Last of return temp is REALLY annoying. You can't get it via Opentherm either. But the sensor is there because you can see the value in the InComfort app.
  24. These are the devices that it offers to Domoricz....

    These are the devices that it offers to Domoricz.

    1694

    P.
  25. Replies
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    I went for Intergas. They play really well with...

    I went for Intergas. They play really well with Evohome via Opentherm, and I liked the mechanical simplicity (no diverter valve, for starters - they always seem to fail with Combi boilers).
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