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Last seen: Nov 3, 2025
@kev-m ah ok. That makes sense now
@kev-m I'm confused, what are those numbers then?
@kev-m we'll see. I'll note that last night we used 11kw and delivered 42 in heat - COP 3.88. and the night is the coldest time... Yesterday as a wh...
This evening's update. Cleaned out the filter again, more crap in there. Hopefully I won't need to do this many more days now. Amazing how much rubbis...
@editor I think for us it's a function of having a very high flow rate rain shower. All that extra cold water into the tank cools it fairly rapidly. M...
@heacol question? Could I simply get a plumber in and installer a manual diverter around the parts you note? It's something I might consider as it's r...
@caroline2000 just find the access code for the model you have. A quick google should do it, it'll be in the manual
@kev-m we found at 50 we started to lose the heat after morning showers. 55 seems to be the sweet spot
This video might be of interest - 5.30 mark he starts talking about the system elements. As a note, we don't have a buffer tank, only the red expansio...
@derek-m you clearly need to replace the heat being lost with at least that amount to maintain a stable temperature. I get the claim that building p...
@derek-m I totally agree, just because physics says its possible, doesn't mean it is in practice. However I am inclined to believe the claim for the m...
@derek-m using the MSmart APP I found I can see my power use and heat delivered! Its not perfect as it just gives you a number for the day, not hour b...
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Latest Posts
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Not a problem; that’s why I left it as it was. The pers...
By Majordennisbloodnok , 21 minutes 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 , 10 hours 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 , 1 day ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
D'oh - of course. I shouldn't post before my brain is f...
By Old_Scientist , 2 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 , 2 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 , 2 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 , 2 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 , 2 days ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 2 days ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 3 days ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 4 days ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 4 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 5 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 5 days ago



