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Last seen: Aug 21, 2026
Posted by: @johnmo ↑ I don't really buy into the heat pump has to be perfectly sized, it has to be suitable. Getting a grossely oversized one ...
22mm is marginal for 8kW, or ok depending on whether you work on 1m/s max flow rate or 1.5 m/s. Are there 2*22mm (eg upstairs and downstairs) or onl...
I don't either, but nor do I buy into the idea that anybody should be forced to do unnecessary pipework upgrades, have an unnecessarily intrusive outd...
If you do this take pictures and get receipts, you may need to get to convince installers it's been done unless the insulation remains visible.
Precisely that. The method is based on BS something or other, I forget which, so even MCS can say it's someone else's. BS something or other is des...
Absolutely, with one caveat, if you have a condensing boiler which condenses all the time, ie is set up properly to run at low flow temp, then the los...
I think the planning inspector probably came to the same conclusion, but obviously he had to express it in legal terms! In fact mine could possibly ...
In fairness a year of my 2 year journey is the planning nightmare, during which I suspended looking for installers. I havent yet reached 20 installer...
@ianmk13 Where are you located? With this info maybe someone here can provide.a recommendation Sadly the industry appears to be riddled with gr...
Do they dump all the water or do they just drip slowly? I thought it was the former but the altenic video suggests the latter. It seems to me this ...
Problem best dealt with onsite imho. The onsite plumber will almost certainly be happy to leave you the new rad and knock off an hour early.
This is an area where the industry tendency to oversize can cause a real problem. I decided to start rad upgrades in advance so far for half of the ...
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
Cloudy one done, might get the sunny one tomorrow or de...
By Watcher , 19 hours ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis, I’ve followed this thread pretty much from the...
By Mars , 1 day ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
First time poster here but I can share my experience as...
By SCH , 2 days ago
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At the risk of going on: A slight side issue for a foru...
By Bart , 2 days ago
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RE: Is it the house or the equipment?
...which, I've found out, is pretty much impossible to ...
By Majordennisbloodnok , 2 days ago
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RE: Mitsubishi Ecodan FTC6 settings
The Mitsi remote thermostat should not be plugged into ...
By F1p , 3 days ago
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RE: PV and battery long payback - sense check query
@jamespa I was just commenting on the speed, not sug...
By Batpred , 3 days ago
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Readers here please note that Derril Water and many oth...
By Transparent , 3 days ago
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RE: Advice on Vaillant Sensocomfort
Oops, I meant Sensocomfort (the UI to the controls)
By Batpred , 3 days ago
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RE: Heat Pump Training vs. Real-World Installation
Our instal was very much the opposite. White haired blo...
By Batpred , 3 days ago
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RE: Flushing system, cleaning and inhibitor
While skim reading a manual for our Vaillant HW tank, I...
By Batpred , 3 days ago
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RE: 'Chinese Diesel Heater' to heat the home .....
Old thread but I'm new to the forum so new to me. How...
By BlizzardGreen , 4 days ago



