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: May 21, 2026
And a picture of cylinder and surrounding pipe work would help.
Could do to know what control mode you are using - weather comp or Auto adapt - from your trend looks like you are using weather comp but I’m not too ...
I looked at the trend in the link for booster - I see the booster on flag set but don’t see any corresponding rise in flow temp gets- makes me think y...
Some of this stuff is getting quite technical so let me know if not clear. From memory disabling booster requires changing DIP switch settings insid...
Ref stopping and needing booster to get back up to temp - that sounds like something not set up right. Personally I would disable any booster heater a...
By the way don’t leave it in fixed temp mode - very inefficient - just use it for balancing.
Ref radiator removal- have you checked system pressure - should be about 1.5 bar, might need topping up if you’ve had a rad off.
Did you get any handover pack from your installer? This should state if glycol antifreeze has been added and what concentration.
Also important that UFH is balanced correctly for same reason.
@goodbyegas Well you are warm and your flow temp at 3 Deg outside temp is only 35 degrees so you should be getting pretty decent COP. Hopefully it ...
@robs I didn’t have the OAT for the full range of data so that’s probably why.
@robs Here is my results from heatpump monitor.org. Not sure what the vertical line of points at 20 degc is about and it seems to be skewing the li...
- 26 Forums
- 2,647 Topics
- 61.8 K Posts
- 690 Online
- 7,045 Members
Join Us!
Latest Posts
-
Any readers with an interest in Solar Farm generation i...
By Toodles , 6 minutes ago
-
RE: Heat Pump Operation in Summer - Valliant 7kW
Yup! Summer in Spring. Wonder if Summer will last unt...
By Majordennisbloodnok , 29 minutes ago
-
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 , 2 hours ago
-
RE: Solar Produced vs Home Consumed
It's worth adding that if you have a hot water tank and...
By JamesPa , 2 hours ago
-
RE: Heat Pump Overpromising – What Were You Actually Told Before You Bought?
@editor Sorry Mars, I didn’t see a notification about ...
By Toodles , 2 hours ago
-
RE: Hitachi Heat Pump being replaced with Vaillant
Yes to be configured as a volumiser. The pump is to be...
By trebor12345 , 3 hours ago
-
RE: Anyone concerned about GivEnergy?
So it seems subscription day has finally arrived for Gi...
By TechnoGeek , 4 hours ago
-
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
-
Yes, you will need to notify them even if the inverter ...
By Old_Scientist , 7 hours ago
-
RE: Heat Pump Manufacturers Recommending Buffer Tanks
@tony-stolz, I think @jamespa has already covered the h...
By Mars , 20 hours ago
-
@editor "The interesting bit is that many modern invert...
By Singlespeed , 1 day ago
-
RE: Ecodan & MelCloud scheduling
With the prospect of warmer weather this week, I brough...
By downfield , 1 day ago
-
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
-
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



