Last seen: Jul 15, 2025
A pair of similar tanks one white and one red are expansion tanks. You can tell because they have a filling nipple at the top and only one pipe leadi...
You are almost right and have appreciated the key point ie that energy lost must be replaced (simple minded, and incorrect, thinking says that if you ...
Based on the numbers I think its likely its oversized. Not a disaster but it means it will probably cycle on and off a lot. If does prove to be over...
That sounds high for UFH. Strongly recommend you follow the procedure I outlined upthread and report back. You should hopefully be looking at a flow...
Yes absolutely. Exactly, the manifold has the equivalent of a radiator LSV and a radiator TRV (the actuator) together. With a radiator you a...
Oh definitely. Getting the WC curve optimised is a key part of the commissioning which, realistically, installers cant be expected to do because it n...
Thats an interesting one - as a matter of fact which (is it the Ecodan twin compressor model?) Indeed, loads of 'models' but in fact only one...
True, but the average householder isnt going to do this. Indeed so. Does it even need to happen though? Those who have responded want to 'tak...
You need to follow a process Turn all room/central thermostats up to maximum Set the heat pump to run 24x7 Ensure that the Ecodan is in weather ...
Can you explain this please, the heat pump manufacturers always specify COP according to LWT. The compressed gas must be hotter than the LWT otherwis...
There is absolutely nothing wrong with buffer tanks in principle. The problem lies with the execution which all too frequently, it seems, involves poo...
On the basis that 1l oil = 10kWh and 1cu m wood = 2500kWh, the total is between 25+10=35 and 40+10=50 MWh per annum. That's definitely in the same ge...
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Is a Valliant Inline 6kW heater a BUS buster?
Like many newbies desperately trying to ASHP an old hou...
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@pie_eater I have been thinking of adding cooling to my...
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RE: BUS Grant: removal of all other fossil fuel heat sources
Hi all, thanks for your help. The installer has confirm...
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RE: No-code, plug-and-play monitoring for your heat pump
Just in case anyone is looking at Planet Atmo- we've ma...
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RE: Victorian Semi Retrofit / Extension ASHP and UFH Advice
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RE: Seal the Deal: Don't Let Your Heat Pump Leak Energy
Hi - fyi - there's a dead image link in the 'Optimal In...
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RE: Ripped Off: How UK Homeowners Are Paying Gas Prices for Wind Energy
@chandykris Horses and beggars…. 😉 Toodles.
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RE: Cleaning up after gas meter removed
@agentgeorge Likewise in the loft space; we have 300mm ...
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RE: Ecodan consuming 100kwh per day in new build!!!
This particular example is one of the worst I have seen...
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RE: Fan running in hot weather ...why?
I wonder if it has some kind of pressure transducer to ...
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RE: Cooling with Samsung Gen6 and Flow error
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@heacol thanks for confirming we can only hope NAPIT ag...
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Sorry to hear that @bruce. Sadly I’ve heard from multip...
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