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: Aug 19, 2026
@iraknic the buffer tank or pipe losses. It sounds like a classic case of excess mixing in the tank. That said not sure how accurate the or guns are...
@jeegnesh wow . exactly which rooms are too cold if you run at the 'downstairs' flow temperature.
The Vaillant WC interface is actually much more user friendly than most. You can do it without your installer (which doesnt excuse him not helping). ...
I was saying The latter not the former - pick a heat curve suited for upstairs, but see my final comment below before and please respond you do anythi...
Its a complex system, probably over complex to be sensible and certainly too complex to work out what might happen with any certainty if you change op...
You could be right. What do you know of the design/history of the heating system (not the heat pump, the emitter system). Its quite bizarre that the...
Agreed, Put another way it may sometimes be better to heat the house to a slightly higher temperature to avoid cycling. I can easily believe that is...
Im not surprised, two differnt heat curves will likely confuse it. I have only 1 and have turned off all autoadaption or room temp compensation and e...
I can possibly help. First some explanations, then a comment then some more info needed from @jaynieq Explanations: kWh is energy, W is power...
Just for clarity my numbers, collected together, are: Design OAT: -2 Design FT @ -2: 45 Measured house loss @-2: 7kW Rated output of '7kW' Vail...
I think you have a Vaillant, in which case (on the sensocomfort) its settings - installer level - noise reduction mode. I run mine in noise reductio...
- 27 Forums
- 2,746 Topics
- 64.6 K Posts
- 1,758 Online
- 7,152 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: The good, the bad and the not that great – my heat pump installation
@jamespa Thank you sir the help and talking on here was...
By Burtis , 3 hours ago
-
RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
First time poster here but I can share my experience as...
By SCH , 3 hours ago
-
At the risk of going on: A slight side issue for a foru...
By Bart , 9 hours ago
-
RE: Is it the house or the equipment?
...which, I've found out, is pretty much impossible to ...
By Majordennisbloodnok , 10 hours ago
-
RE: Mitsubishi Ecodan FTC6 settings
The Mitsi remote thermostat should not be plugged into ...
By F1p , 1 day ago
-
RE: Do I add Air Con or MVHR to existing A2W ASHP?
@lizzie Thank you, very interesting and useful informat...
By Toodles , 1 day ago
-
RE: PV and battery long payback - sense check query
@jamespa I was just commenting on the speed, not sug...
By Batpred , 1 day ago
-
Readers here please note that Derril Water and many oth...
By Transparent , 1 day ago
-
RE: Advice on Vaillant Sensocomfort
Oops, I meant Sensocomfort (the UI to the controls)
By Batpred , 1 day ago
-
RE: Heat Pump Training vs. Real-World Installation
Our instal was very much the opposite. White haired blo...
By Batpred , 1 day ago
-
RE: Flushing system, cleaning and inhibitor
While skim reading a manual for our Vaillant HW tank, I...
By Batpred , 1 day ago
-
RE: 'Chinese Diesel Heater' to heat the home .....
Old thread but I'm new to the forum so new to me. How...
By BlizzardGreen , 2 days ago
-
I'm not sure why you would want to make it more difficu...
By JamesPa , 2 days ago



