Last seen: Dec 24, 2025
That would be fine if it was a boiler... but it's not. A heat-pump should be running continuously, but at a lower temperature... and with the inbuil...
That photo is a great help. The Fernox TF1 filter can also act as a dosing pot.There's even a link to the instructions which describe how to do so: ...
I'm re-posting two of your photos with my annotations: I wouldn't be happy with this internal pipework. I can't tell the thickness of the insu...
A couple of years ago I was in conversation with a senior lecturer at an FE College who provided courses for students in the building trades. He tol...
The market-leading additives for circulatory water in radiators are Fernox F1 or Sentinel X100. It is often the case that the heating engineer attac...
@johnmo - you're providing excellent insights into the options and requirements...... if only I understood all those Three Letter Abbreviations (TLAs...
Erm... yes, but that's bad practice. As GB moves towards Net Zero, the topology of the grid is being adapted.We can't all demand electricity when we...
It's highly unlikely that anyone using LiFePO4 battery chemistry for domestic storage would ever want to be charging or discharging the cells at 'C' ...
I've had a quick look at the videos published on that YouTube link @hominid The presenter (in Ireland) appears to be using a Solis inverter and in a...
Hi @homonid and welcome to this forum. I have extensive experience of DIY build batteries and charging regimes.Perhaps you could start by telling us...
I agree with @judith - MVHR is the way forward.A slow trickle of pre-warmed air is great at discouraging mould and condensation. I have self-install...
Please clarify: Were they suggesting that the installation would be guaranteed by MCS?Or does 'them' refer to the contractors? Even if they were...
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How long will your energy contract last?
Some heat pump tariffs don’t run as long as a heat pu...
By Toodles , 18 hours ago
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@morgan They are unsupervised these days, can’t get the...
By Toodles , 18 hours ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@kevh it's worth remembering that many lsvs only actual...
By JamesPa , 2 days ago
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RE: Setback savings - fact or fiction?
Exactly. We only need to compare conditions, to decide ...
By cathodeRay , 2 days ago
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RE: Balancing financial efficiency and comfort using the Octopus Cosy tariff
I found because I have very low heat loss I can set bac...
By RadWhisperer , 2 days ago
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RE: Need Help Optimising My Rushed ECO4 Install: 12kW Bosch Heat Pump
Welcome @mickamills We too have an oversized 12kW Sa...
By Old_Scientist , 2 days ago
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RE: My Powerwall 3 Consumes 3-4 kWh/Day in Self-Consumption: Is This Normal?
@caron I can confirm that the power usage of the PW3 is...
By Old_Scientist , 2 days ago
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RE: Speedcomfort radiator fans
Thats true, but having tried (and succeeded) in constru...
By JamesPa , 2 days ago
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RE: Solis S6-EH1P8K-L-PLUS – Why I Chose It and What I’ve Learned So Far
@bash brilliant, thanks for the feedback
By energy9165 , 3 days ago
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RE: Heat Pump Heats the House… But It’s Not Cosy. Emitter Changes or System Tweak?
@alastair There I was, feeling grumpy, he said “Cheer u...
By Toodles , 3 days ago
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RE: Grant Aerona: Is there a setting to keep the 2-port valve open during pump blockade
Depends on OAT. Mine cycles at OAT>10 and of course...
By JamesPa , 3 days ago
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RE: New Fogstar 15.5kWh upright solution
@transparent My conclusion is as you have noted, tha...
By Bash , 3 days ago
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RE: Mitsubishi Ecodan R290 10kW performance
And to you too. Wishing you a very enjoyable festive s...
By Sheriff Fatman , 3 days ago
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RE: External pipework insulation
They do? But that isn't apparent from the photos we'r...
By Transparent , 3 days ago
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RE: Say hello and introduce yourself
@velcro welcome to the forums. Please feel free start a...
By Mars , 3 days ago
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Daikin EDLA11D3V3 DHW Settings
I have a newly installed EDLA11D3V3 which I'm still get...
By Velcro , 3 days ago
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RE: Midea ASHP – how to set weather compensation
@curlykatie did you get sorted with this?
By MickaMills , 4 days ago
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RE: MyVaillant Connect Regular Disconnect
Thanks. Yes, if the time is consistently 11pm every nig...
By buckwem , 5 days ago


