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 16, 2026
Many thanks for your post. I assume that the "house" thermostat (BT 50) setting is included in an algorithm that controls the heat pump. Without any h...
I don't have a room (central) thermostat. That was actually my question. My system has been working quite well while the OAT has been cool. Now we are...
As already covered in this thread, I have an F2040-12 and an SMO 20. It is supplying a Wunda Fast response UFH. I run "open Loop" with all of the zone...
Thanks. Will do.
I have an F2040-12 and an SMO 20. It is supplying a Wunda Fast response UFH. I run "open Loop" with all of the zones except the bedroom open. I have a...
@transparent Update I just thought that I would post an update. I have still not been able to get any information from my install...
@transparent No problems today. We had a power cut Sunday night Monday. I don't what time the power went off.It came back at 01.32. I think that it wa...
@transparent My apologies. It stated 20mm Rapid Response on the pipe layout plan. I assumed that was the pipe size. It is actually as you suggested 16...
@transparent Yes. I have a micrometer. I think I have a piece outside. I will have a look tomorrow.
@transparent It is actually shown as a 20mm pipe. I assume that is the OD. The ID is probably 16mm? The installation has 2 manifolds. left has 7 loo...
@transparent Looks like I have a lot of alterations. I will be speaking to my plumber on Monday. I have had many discussions with Wunda (UFH) during...
@judith I have signed up for Heat Punk but it doesn't seem to have anyway to create a profile using UFH. Only shows radiators.
- 26 Forums
- 2,645 Topics
- 61.8 K Posts
- 547 Online
- 7,045 Members
Join Us!
Latest Posts
-
RE: Heat Pump Overpromising – What Were You Actually Told Before You Bought?
No, I agree entirely. There shouldn't be a need for an ...
By Majordennisbloodnok , 7 minutes 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 , 51 minutes ago
-
RE: Solar Produced vs Home Consumed
All inverters will use solar power in preference to dra...
By JamesPa , 57 minutes ago
-
Yes, you will need to notify them even if the inverter ...
By Old_Scientist , 1 hour ago
-
RE: Heat Pump Manufacturers Recommending Buffer Tanks
@tony-stolz, I think @jamespa has already covered the h...
By Mars , 14 hours ago
-
RE: Heat Pump Operation in Summer - Valliant 7kW
I do the same: cool my large buffer (3000L) to 10C, pum...
By upnorthandpersonal , 23 hours ago
-
@editor "The interesting bit is that many modern invert...
By Singlespeed , 24 hours 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
-
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
-
Hi, Does anybody have experience with Heat Geek insta...
By sttpd1917 , 3 days ago
-
I will soon be struggling. Admittedly it is the summer,...
By Batpred , 3 days ago
-
RE: Indevolt Batteries UK Support & Info Thread
Not known yet. I've asked a local Councillor to follo...
By Transparent , 4 days ago



