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Last seen: Nov 9, 2026
Yeah, mine did exactly the same - no error codes. The turn on/off again suggestion was (sensibly) made by my installer before he turned up - might as...
Same here as above. Where have you seen this terminology?
Mine (Vaillant) recently did something very similar, basically heating DHW for a short while after a reset, then giving up. It was accompanied by var...
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Degrees of Separation
Latest Posts
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RE: Adventures in heat loss calculations
@rob-of-york In my experience, energy used to supply DH...
By Toodles , 1 hour ago
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RE: Should Households Who Can Afford It Pay More for Energy to Help Those Who Can't?
@mars Whatever method of alleviating the high cost of e...
By Toodles , 1 hour ago
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Grant Aerona - Weather Compensation and Schedules
Im trying to set up a friends Grant Aerona. The WC curv...
By bontwoody , 2 hours ago
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RE: Why don't people choose heat pumps?
Absolutely nothing in the regs prevents this, nor does ...
By JamesPa , 11 hours ago
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RE: Air-to-Air Heat Pumps & Air Conditioning: UK Heating and Cooling Q&A
@jamespa I agree, the efficiency of Cosy Cooler ought...
By Rob of York , 11 hours ago
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RE: How much of your renewable and home setup would still work if the internet went down?
I think you're right! 🤨
By Transparent , 23 hours ago
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RE: Renewables & Heat Pumps in the News
ECO4 muddies the water somewhat, and then some. I thi...
By cathodeRay , 24 hours ago
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RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
If there is a drain nearby that's exactly what I would ...
By JamesPa , 1 day ago
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RE: DIY powerflushing tutorial
This is what bacterial growth in UFH loops looks like. ...
By Pirate Rich , 1 day ago
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I think that CCGT plant in Lingen is more likely to suc...
By Transparent , 2 days ago
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RE: Heat Geek installations: share your experiences
@l8again fwiw my experience (Valiant but not with heat ...
By JamesPa , 2 days ago
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RE: How Can I Prove Coal Was My Main Heating Source Without Receipts?
@etchedpixels thank you for the advice paid cash all...
By Chilli304 , 3 days ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@susannasaunders An interesting conversation to have ...
By Rob of York , 4 days ago
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RE: Electricity price predictions
@rob-of-york sounds like a term that Heidegger would...
By Papahuhu , 4 days ago
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RE: Adding data centre electricity costs to domestic energy bills?
never ceases to amaze me.. Keeping steel works going ...
By Batpred , 5 days ago
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