Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering you’ll be able to ask questions, join discussions, follow topics you’re interested in, bookmark useful threads and receive notifications when someone replies. Non-registered members also do not have access to our AI features. When choosing your username, please note that it cannot be changed later, so we recommend avoiding brand or product names. Before registering, please take a moment to read the Forum Rules & Terms of Use so we can keep the community helpful, respectful and informative for everyone. Thanks for joining!
Last seen: Oct 1, 2025
@kev-m Sorry My mistake re The COP, I missred the graph. 😖 That sounds great, I think you will find a huge diffreance. @morgan, 25 - 45 is 2...
No, it is still like driving a car in to a 100 mile an hour head wind. This is what they look like inside and this is how they work, the water ...
@kev-m Thanks Kev, I will try to be gentle!! 😀 You have just given me all the evidence I need to prove that you are running your system incorrectly....
@markc You only need 1 valve to divert the water from heating to hot water. I have left the one in your anex as you may not use it all the time and wi...
@batalto Nice indication of the implacations of flow temperature, try to drop your curve even further and disable all you other levels of control by t...
@markc do not expect to improve your COP very much, if you do not do anything. By the way, you only need 1 valve and about 3 hours of a good plumbers ...
@markc So changing the synchron valves for diverter valves makes the change that the hot water flow is no longer stopped, but allowed to keep flowin...
@markc Your system is very cloce to what it should be. Here are the alteratins that need to be done, chiange your control to full weather compensation...
@editor Looks an interesting system. From to pictures it appears that you have 3 pumps running in addition to your pumps in the heat pump and boiler. ...
@editor Yes, yours is a combined unit, Hot water cylinder at the top and buffer on the bottom. A good cylinder, I use them sometimes if the system i...
@editor Mars, can you give me a picture of the pumps and valves ect cut from your picture.
@editor Yes it is possable, ther are some combined units on the market.
- 26 Forums
- 2,676 Topics
- 62.6 K Posts
- 225 Online
- 7,090 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: Harvest Thermal - ASHP with a smart thermal battery
As its using ToU tarrifs then its totally believable so...
By JamesPa , 51 minutes ago
-
Why do you want to maintain a specific deltaT? The out...
By JamesPa , 1 hour ago
-
RE: Heat pump installation quotations
@batpred Excellent, thank you very much!
By sttpd1917 , 2 hours ago
-
Hopefully this will answer your question. To...
By ASHP-BOBBA , 2 hours ago
-
RE: Help me keep the faith with my air source heat pump installation
I would be interested to find out if others do this and...
By ASHP-BOBBA , 2 hours ago
-
Don't you dare. You just carry on as you are; as @batpr...
By Majordennisbloodnok , 4 hours ago
-
RE: Heat pump design review please: 5 kW Vaillant aroTHERM Plus heat pump
@ragtime27 some rooms in our house only have one place ...
By Judith , 4 hours ago
-
@mkz, that's very helpful. Even if Urban Plumber are no...
By Majordennisbloodnok , 7 hours ago
-
RE: Several AC coupled batteries
That is a good point, a manufacturers can stop trading,...
By Batpred , 7 hours ago
-
RE: Indevolt Batteries UK Support & Info Thread
Hi @hanno - good question. The range of hybrid invert...
By Transparent , 8 hours ago
-
RE: GivEnergy inverter tripping due to over-voltage?
@transparent the inverter was installed in 2021 and afa...
By Tim441 , 8 hours ago
-
RE: Say hello and introduce yourself
I hope so, @toodles. It's not often that we see a situa...
By Majordennisbloodnok , 12 hours ago
-
RE: Electricity price predictions
Good point, I do expect the bonus of putting my energy ...
By Batpred , 1 day ago
-
RE: Daikin ESPAltherma and Home Assistant installation
@bash, something we haven't touched on already relates ...
By Majordennisbloodnok , 1 day ago



