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  1. That doesn't make sense. When you replace the...

    That doesn't make sense. When you replace the motor head you still have to re-wire it, it's just the valve that stays so you don't have to drain the system down.

    I just found it annoying I could...
  2. When I had to replace a faulty motor head on one...

    When I had to replace a faulty motor head on one of my Honeywell zone valves I was able to find the entire zone valve on ebay (new) cheaper than I could find the motorhead on its own anywhere.

    So...
  3. If you're only getting 15 minutes the batteries...

    If you're only getting 15 minutes the batteries are faulty or aren't being fully charged by the controller.

    I did a test not long after I got my system on the original batteries and it achieved 3...
  4. That message has always been there but doesn't...

    That message has always been there but doesn't display until the battery is critically low.

    With good batteries with a full charge you should get about 3 hours with it off the stand with just the...
  5. Do you leave yours on a wall mount 24/7 without...

    Do you leave yours on a wall mount 24/7 without ever removing it though ? Only people who never remove the controller from the mount (thus never cause it to operate from batteries) see this issue. If...
  6. Just judging by eye there is no way an HR92 will...

    Just judging by eye there is no way an HR92 will fit on that squinty TRV valve body without being fouled by the wall.

    If the other end of the radiator is the same, (or the valves are not...
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    Do you have cold weather boost or warm weather...

    Do you have cold weather boost or warm weather saver enabled ?
  8. We have a Hoover washer drier with Simply Fi -...

    We have a Hoover washer drier with Simply Fi - and to be honest the app has never worked very well, too confusing and cumbersome to configure a wash remotely.

    All we use the app for is the...
  9. I don't have an T87RF but for those that do it...

    I don't have an T87RF but for those that do it could be simulated by resting the sensor above a hot radiator - should be easy to get the reading to 32 degrees or above that way. Anyone game to try to...
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    For the record I still get "comms errors" from...

    For the record I still get "comms errors" from the hot water sensor. Nothing I do will fix it. I have just learnt to live with it because I have better things to do with my time.

    From sniffing...
  11. I had no luck with the variable speed modes on my...

    I had no luck with the variable speed modes on my Alpha 2 - same as you, runs too slowly and the boiler overheats, so I run it in fixed speed 1 or 2.

    I think the variable speed modes have a...
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    It wont be a potentiometer as you can turn it...

    It wont be a potentiometer as you can turn it infinitely in either direction.

    From memory it's an infrared optical chopper system - very commonly used in digital knobs which can turn infinitely.
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    Manually overriding zones on an HR92 when the...

    Manually overriding zones on an HR92 when the heating is in away/heating off mode will not work in the latest firmware version. Neither of these modes will recognise manual overrides, and if the room...
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    No you're not missing anything unfortunately. ...

    No you're not missing anything unfortunately.

    The custom action applies one custom schedule to one or more selected zones, but the unselected zones will continue to follow their normal schedules....
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    I really don't see the attraction of using NiMH...

    I really don't see the attraction of using NiMH in the HR92. The only real benefit is from a waste reduction perspective, in every other way they're vastly inferior in this application.

    Aside from...
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    I've been using GP Ultra or Varta Alkaline's in...

    I've been using GP Ultra or Varta Alkaline's in mine for over 5 years - never had any leak or even show any signs of leaking.
  17. Anyone using Shelly EM for electricity monitoring?

    Like a number of us I was a user of Loop for gas and electricity monitoring before they decided to shutdown the service for the legacy monitors.

    I did take them up on the new electricity monitor...
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    Sounds like a plan. Before I had Evohome my...

    Sounds like a plan. Before I had Evohome my bypass radiator was the hall way so I had to add a TRV valve body to that one to get HR92's on all radiators, and also added an automatic bypass valve.
    ...
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    Why are you still using the old room stat to...

    Why are you still using the old room stat to control the boiler instead of Evohome?

    Evohome's algorithms are designed to control heat output of radiators by controlling both the individual water...
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    Indeed. If load scaling is on "Normal" try...

    Indeed. If load scaling is on "Normal" try changing it to "Partial", or even off.
  21. "Usual practice" perhaps, but that assumes you...

    "Usual practice" perhaps, but that assumes you are trying to adjust the balancing of the radiators to produce a certain temperature differential across each radiator. This is indeed the traditional...
  22. Yes this is exactly what happened to me when I...

    Yes this is exactly what happened to me when I tried to use the variable speed modes on my pump - all three variable modes were completely useless on my system because the pump would slow right down...
  23. Your point about reflective metallic surfaces is...

    Your point about reflective metallic surfaces is correct, however most modern radiators are painted and therefore don't have reflective metallic surfaces... Paint makes a good black body radiator and...
  24. You're right - depending on the orientation of...

    You're right - depending on the orientation of the valve. An old unidirectional valve should always be fitted so that the flow follows the direction of the arrow. This could be on the flow or return...
  25. Are there any long runs of pipe with no...

    Are there any long runs of pipe with no mechanical support, long enough to allow a resonance to occur? If so perhaps some additional support brackets would help.
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