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Last seen: Nov 23, 2025
@derek-m findings as follows- Tank DHW reading 50 degrees- green pump hot and vibrating Thermostat removed- dropped to 21, when water star...
@iancalderbank 👍🏻 Thank you!
@sunandair thanks so much for your message. I’ve set the parameters wider for re-heating this evening so will see. I can’t find the setting for ‘large...
@derek-m I’ve checked the pipes under sink in kitchen and bathroom but they are not hot until I run the hot water. Even with the pump on it sometimes ...
@derek-m see pictures-
@derek-m thank you. I believe the green pump at the top of the cylinder is for the hot water. I m not sure how to check if it’s running but it is maki...
@allyfish thank for your reply. There are 3 of us- 1 shower in the morning and 2 evening- not more than 5 mins but they are rain shower heads. A bit o...
@derek-m thank so much for your reply. I really do appreciate it. I’ve attached some photos- let me know if you need anything else. I think one of the...
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Latest Posts
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RE: Heat Pump Operation in Summer - Valliant 7kW
One or two weeks of summer! Since southern Eng...
By Judith , 18 minutes ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
I had a look at the manual for the pro and it mentions ...
By Batpred , 48 minutes ago
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RE: Solar Produced vs Home Consumed
It's worth adding that if you have a hot water tank and...
By JamesPa , 1 hour ago
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RE: Heat Pump Overpromising – What Were You Actually Told Before You Bought?
@editor Sorry Mars, I didn’t see a notification about ...
By Toodles , 1 hour ago
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RE: Hitachi Heat Pump being replaced with Vaillant
Yes to be configured as a volumiser. The pump is to be...
By trebor12345 , 2 hours ago
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RE: Anyone concerned about GivEnergy?
So it seems subscription day has finally arrived for Gi...
By TechnoGeek , 3 hours ago
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RE: How many people are happy with their ASHP and do you believe them?
I agree, and not. Energy prices are a largely politica...
By JamesPa , 6 hours ago
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Yes, you will need to notify them even if the inverter ...
By Old_Scientist , 6 hours ago
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RE: Heat Pump Manufacturers Recommending Buffer Tanks
@tony-stolz, I think @jamespa has already covered the h...
By Mars , 19 hours ago
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@editor "The interesting bit is that many modern invert...
By Singlespeed , 1 day ago
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RE: Ecodan & MelCloud scheduling
With the prospect of warmer weather this week, I brough...
By downfield , 1 day ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
I reached out to MCS directly last week on this and her...
By Mars , 1 day ago
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RE: Help me keep the faith with my air source heat pump installation
My heating developed a really severe case of noise and ...
By JamesPa , 2 days ago
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RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
@l2jad I was just thinking all things being equal. Our ...
By AndrewJ , 2 days ago


