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Last seen: Jan 27, 2026
Ice Energy sold me a IVT Greenline in 2011, I share your pain, especially when electricity costs went from 8p/kWh to over 30p, we do exactly the same,...
Your system seems to be more modern than mine, mine was installed in 2011. My advice would be to speak to Zak @Alto Energy. zak.crozier@altoenergy.co....
Here are the reported most common causes for both. Common Causes High Pressure Switch error:Blocked or dirty condenser coil (insufficient airflow)Fa...
I know you will probably have tried this, but if the GT8/GT9 temp differential is low, it may not solve the issue? However, Pressure Switch High (HP)...
Hi, are you able to see the delta between GT8 vs GT9 temps? If this is more than 10 degrees then it would suggest that there is a flow issue again. Wh...
Just leaving an update to my issue. The pump completely shut down on the 26th Jan. I had ordered the internal flexible hoses from Alto Energy and th...
@greenlight I actually called you and spoke to you to ask if you had a work instruction or could give me an idea of how much it should cost to replace...
As I thought I've been told that the most likely cause if the internal flexible pipes below the electrical cassette and flow pump. It's great that the...
Many thanks for taking the time to reply. There is a Magnaclean on the return from the rads/UFH, which I have cleaned myself, is this just the white p...
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Degrees of Separation
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We said black because all the other trunking for HP and...
By trebor12345 , 10 minutes ago
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Ok Well almost certainly it could be used instead of ...
By JamesPa , 30 minutes ago
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RE: Samsung heat pump - data cable issue
Samsung reference it as "RS485 - COMM" in my manual. ...
By Old_Scientist , 2 hours ago
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Situation normal for the construction industry then! ...
By JamesPa , 2 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
Whilst I export my excess solar at 12p/hr I have come t...
By JamesPa , 2 hours ago
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RE: Vaillant Arotherm Pro vs new Plus
It kind of should not matter... My main thought is to a...
By Batpred , 5 hours ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
Looks beautifully integrated.. We had our done as wel...
By Batpred , 5 hours ago
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The generator (Derril Water Solar Farm) should have a c...
By Old_Scientist , 6 hours ago
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RE: SolarEdge SE5000H Inverter Failure
Update. My SolarEdge inverter was replaced yesterday wi...
By L8Again , 7 hours ago
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For cooling a whole building, or even a big room with l...
By EtchedPixels , 1 day ago
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RE: Comms and power cabling to outside unit
@old_scientist 100%, the cover is for warrantied unit...
By Papahuhu , 1 day ago
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I don't remember the manufacturer name, but I saw simil...
By bobflux , 1 day ago
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RE: Weather compensated secondary circuits with Biomass
UFH is ideal to get max efficiency with a heat pump, bu...
By bobflux , 1 day ago
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RE: Rate the quality of your heat pump design and installation
I had a Heat Geek lead install by Green Heat Norfolk. T...
By Orlando , 2 days ago
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RE: Mitsubishi Ecodan FTC6 settings
While @F1p's dongles are great, the FTC can do this its...
By RobS , 3 days ago



