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Last seen: Aug 19, 2026
So So far as I can tell absolutely no control available on my Vaillant, it kicks in at 4C It switches on the heating (typically periodically or a...
Occams razor comes to mind here. In any good system design every component has a purpose. If the purpose has little or no value then the same is tru...
These are all very good questions. Unfortunately most people are reliant on installers to do the 'design' and decide what valves are (or are not) put...
PSPICE I think, it seems highly likely that a heat pump system, including the house, can be described in electronic terms. Cant see the average plumb...
That looks like a tiny buffer plumbed with 4 ports and no temperature sensor to allow the heat pump to equalise flow rates, as well as quite a lot of ...
Thats not at all silly (actually its very sensible), so long as you disconnect the feed to ensure you dont risk burning out the motor. What do you ...
Sorry but there is no way I can tell from the photo what they are doing/controlling and there are several possibilities. Nor can I tell whether conne...
Can you confirm the implication that you have two zone valves and a diverter valve (three in total) and are you sure both hive and neomits stats are c...
Sorry Im getting mixed up whose house is getting too hot and which heat pump they have! Same principles apply however, the idea is to get the water ...
Flow temperature. The heat pump decides this based on the outside temperature, the selected Weather Compensation curve, the target room temperature a...
If the house gets too hot reduce the flow water temperature further until it doesn't! Thats the route to max efficiency/lowest cost and max comfort.
Landing windows dont count so calcs are based on the nearest window to a liveable space Covers are an option but if the calcs say that its OK noi...
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Degrees of Separation
Latest Posts
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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 , 7 hours 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 , 13 hours ago
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At the risk of going on: A slight side issue for a foru...
By Bart , 19 hours 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 , 20 hours ago
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RE: Mitsubishi Ecodan FTC6 settings
The Mitsi remote thermostat should not be plugged into ...
By F1p , 1 day ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@lizzie Thank you, very interesting and useful informat...
By Toodles , 2 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 , 2 days ago
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Readers here please note that Derril Water and many oth...
By Transparent , 2 days ago
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RE: Advice on Vaillant Sensocomfort
Oops, I meant Sensocomfort (the UI to the controls)
By Batpred , 2 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 , 2 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 , 2 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 , 3 days ago
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I'm not sure why you would want to make it more difficu...
By JamesPa , 3 days ago
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