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: Jul 15, 2026
I have just received a quote for a variable speed secondary pump to replace the existing variable speed pump which had no PWM control supplied. Once f...
Really interested in this topic and I am having to change secondary pump to get variable speed. However, I can't see why we should be talking about re...
Thanks Kev M. We are having a warm winter in the Algarve, so I can't do much meaningful tweaking of the Ecodan Compensation curve. I have a buffer t...
Going back to my original question, if I used the figures from the FTC5 or MelCloud, how inaccurate would I be?
Thanks bontwoody. Because of Brexit, I guess that would cost me the best part of €1000 with shipping and duty and then there wood be the cost of fit...
PS If it is of interest, this is the Cordivari buffer tank - it appears to be the "100" model with capacity of 95l. I am not clear what is meant ...
I am very grateful to JamesPa for his very interesting explanation and for the subsequent comments by both James and Derek. I don't want to tackle t...
Thank You to both Derek M and JamesPA. To clear up a couple of points made. 1-The primary pump is already set to max speed (5), so I have to look...
Thanks Derek. We are having a rather mild spell (14C ambient) so I am not sure how meaningful this will be, but temperatures measured earlier today ...
Thanks for your response. I have done nothing on this recently, firstly due to Christmas visitors and secondly because I have not been able to find a ...
- 26 Forums
- 2,714 Topics
- 63.6 K Posts
- 419 Online
- 7,114 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: Samsung heat pump - data cable issue
Well that's interesting. If it needs fat cable it's be...
By JamesPa , 1 hour ago
-
RE: Rate the quality of your heat pump design and installation
I'm kind of at the end of my heat pump installation now...
By JandP , 3 hours ago
-
RE: MCS Quality Audit – Has Anyone Had One? Did It Lead to Remediation?
I got hit with an RHI audit in 2022. It was far from c...
By Abernyte , 5 hours ago
-
RE: Electricity price predictions
@papahuhu Groucho Marx had something to say about no...
By Toodles , 6 hours ago
-
Given the way radiation and convection effects don't wo...
By Majordennisbloodnok , 9 hours ago
-
-
RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@jamespa haha very true, although the engineer yesterda...
By swwils , 12 hours ago
-
RE: Vaillant Arotherm Pro vs new Plus
One of the test modes in the installer menu forces it t...
By JamesPa , 1 day ago
-
RE: What a difference a few degrees make.
Wow. Having accepted the challenge, I ran the cold tap ...
By Old_Scientist , 1 day ago
-
RE: HeatPump maintenance in Swindon area?
@vince31 have you tried using our finder:/p>
By Mars , 1 day ago
-
Looking for beta testers for a new homeowner heat pump tool
Over the past few months I've been building a brand new...
By Mars , 1 day ago
-
-
RE: Indevolt Batteries UK Support & Info Thread
It depends on how you configure it via the app. The ma...
By JamesPa , 1 day ago
-
RE: Renewables & Heat Pumps in the News
Be interesting if this results in any wider changes to ...
By Jeff , 2 days ago



