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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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Does minimum system volume matter in the context of sim...
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RE: Indevolt Batteries UK Support & Info Thread
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RE: Can I start an argument about buffer tanks please? 🙂
Dont, just adjust the LSVs to get different temperature...
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RE: Heat pump running costs – what has actually worked for you?
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RE: Grant Aerona Air to Water R290 6.5 kW - Quiet Mark and Silent Running
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RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handle: adrian Manufacturer: Appliandirect.co....
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RE: Acond heat pump failed after four years - diagnostic quote £940 plus VAT
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