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Last seen: Oct 20, 2026
You might want to consider the following common faults: Air in the System/Pipes (Air lock): This is the most common problem. Trapped air prevents wa...
@paultheheating How do you currently recoup the oil cost from the tenant and who pays the electricity bills? My understanding is the BUS grant is du...
@jeff The cost of an electric motor is pretty insignificant compared with cost of electricity it consumes in its operational lifetime. The cost of ins...
@jamespa I think you are right about a hotel type hot water feed. Hot water seems to return, see the secondary return shown in this section of dia...
@paullacey From the diagrams I assess you have 2 heat pumps plumbed in "tandem" but controlled in "cascade". What the second heat pump can do is the s...
@bontwoody "but after a minute the 3 way valved closed." I might be wrong but could it be a 3 port, 2 way valve with mid-position? Oper...
@grahamf To save wear and tear on the pump why could you not run weather comparison during the winter months only, and fixed temp. for the other month...
@jamespa Surely the problem will be grid undersupply i.e when the wind fails to blow just when you need it to! This is the problem that needs to ...
@jamespa or it might be related to the number of nuclear power stations closed over that time frame? Since 2008, five UK nuclear power stations have...
@jamespa had the closure of coal powered electricity generation had a part to play in general increase? Rapid Decline:Coal's share of the UK's elec...
@toodles, touché chez. /\
A question for Inspector Watson?
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Degrees of Separation
Latest Posts
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
This is an interesting question. For me it needs to be...
By JamesPa , 1 hour ago
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RE: DIY powerflushing tutorial
Nice contraption- I like this kind of thinking. Last ye...
By Travellingwave , 6 hours ago
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RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
Heating been on for 4 weeks now, continuous. It's 6C o...
By trebor12345 , 16 hours ago
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RE: Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
So far there is nothing on the value of the BUS grants ...
By Rob of York , 1 day ago
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Coming back on subject... A shortened version of the ...
By Transparent , 1 day ago
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RE: Say hello and introduce yourself
Perhaps it is time for an update on ‘our’ project. We h...
By Toodles , 1 day ago
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RE: Marvel Heating liquidation
The interesting thing about the IBG: when I called them...
By davidnolan22 , 2 days ago
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RE: Free app: run the immersion / heat pump from Growatt battery & solar surplus – no Home Assistant
Please bear in mind, everyone, that in order to use thi...
By Majordennisbloodnok , 3 days ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis Thanks for posting this and Im so pleased you ...
By JamesPa , 3 days ago
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RE: I need help with Ecodan ASHP
@f1p It turns out there have been a solar panel install...
By Andris , 4 days ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews your installer would be right to say that the...
By GrahamF , 4 days ago
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RE: Tradespeople on Their Phones: What’s Acceptable When They’re Working in Your Home?
Actually, that's a very important point. I've only ev...
By Majordennisbloodnok , 4 days ago
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RE: Aerotherm and weather compensation
These are likely inked. The basic explanation is tha...
By JamesPa , 4 days ago
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RE: Electrical works for air to air heat pump
agree with above. I have not had extra costs added wh...
By Batpred , 4 days ago
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