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Last seen: Jan 28, 2026
Here’s a photo showing where that flow rate is. Have to bear with me as I’m a complete layman to all this. I can’t see any valves in a partially clo...
@iancalderbank - unfortunately there's only a flow rate shown on the bottom right pipe from LLH which is showing the low rate (it's after the Mag one ...
Yeah that's very useful, me commenting on touch heat hasn't helped, but it's clear heat not passing to top left properly. I'll have a look when a hot...
@derek-m Hi Derek - it definitely opens, have tried putting into manual and still zone doesn't hit temp. @iancalderbank - I've set up those temp pro...
Still awaiting word from Plumber and what Grant is saying. Spoke with builder earlier, he's frustrated as Grant did calcs and actually downsized the ...
I'll mention that to plumber as well. Also the TRVs, if set to max all the time, what's the point in them? (End of the day they're cheap but cost mon...
Yeah, that's my current goal is to keep those going in sync really. As it was clear when only downstairs was on, finally getting heat through the LLH...
Thanks @iancalderbank , I'll order those today. Was on a bit of a rant other day, I'd just had enough this weekend. Plumber is apparently in conta...
I’ve now upped are upstairs zone during day to stop that just switching off. As that thermostat is on the landing above a staircase that’s in a large ...
Further observations. 6:30pm zones last night hit their required temp other than downstairs (log fire running with living room doors open, likely he...
Not sure I’m trying to here, I’ve contracted a builder and a plumber to design a system as part of a full renovation extension project. They’ve had fu...
I’ll be honest if Grant don’t sort it with plumber I’ll demand a different manufacturers ASHP. I’ve no interest in dealing with something like this lo...
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Degrees of Separation
Latest Posts
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RE: How Accurate Is My DIY Heat Loss Calculation?
@kilgorexv definitely a larger inverter will help and m...
By AndrewJ , 2 hours ago
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RE: Adventures in heat loss calculations
@rob-of-york — thanks for posting this, all very useful...
By cathodeRay , 5 hours ago
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RE: Surface mount or bury primaries for heat pump installation?
The installation is almost done! I've written up two ...
By tomasmcguinness , 15 hours ago
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RE: Glass lined Cylinder for private water supply
This has turned into a fascinating little rabbit hole. ...
By Mars , 1 day ago
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RE: Switch suitable to change between two inverter CT's
Last winter my battery ,32KWh, could run the house com...
By Jancold , 1 day ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Agree with Major. And even if I was very happy with ...
By Batpred , 1 day ago
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RE: Is the "divide by 2900" rule still valid?
There is another estimator that you could use, a formul...
By Rob of York , 1 day ago
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RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
@penval, really useful update. After all the discussion...
By Mars , 3 days ago
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RE: Who's your electricity provider and what's your tariff?
@papahuhu I prefer to look at it simplistically. We d...
By Old_Scientist , 4 days ago
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RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 5 days ago
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 5 days ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 5 days ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 5 days ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 5 days ago
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