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: Mar 31, 2026
@bazcurtis Mine seemed to be permanent but it's hard to say really - the trigger was that I was losing heat far too quickly. My thermal store is 500 l...
I had this exact problem this winter (Daikin Altherma HT). With the help of my AI plumber, the problem I had - DHW cooling down far too quickly - was ...
Ah - you just hit on a problem - the boy has a switch in his bathroom for the recirc pump - on is no problem, but turning it off is another matter ent...
Ah but you do pee with the light on (I assume) and I don't need the recirc pump when I'm peeing. Extractor fan might work yes unless its one of those ...
Yes, this is how it works. As I mentioned above, our water is now heated to mid-40's and arrives at that temp at the shower head, where without the re...
Ha ha yes - fair point. I was referring not to the gap between the hot water arriving (and without my pump it's 4 minutes for hot water to arrive - or...
Exactly, yes. Now if my shower valve was internet-connected, and I had a WiFi recirc pump switch on the DIN rail, I could have the recirc pump start a...
@jamespa Yes I'm sure you're right. As I say, I'd like to replace the mechanical DIN rail timer with a wifi & Alexa controlled version - that way,...
@jamespa Yes, that's what we both said above I believe. When the pump is running in my case (for four hours in the morning, not constantly or 24x7) it...
I'd agree with the more rapid 'loss' of hot water with the recirc pump running compared with not, but don't have any data to back this up - just a fee...
@johnnyb Hi - not done any testing but we still have the recirc pump on timer for those few hours in the morning, and I run it manually when the boy n...
Thanks - that's interesting. I've been looking at these 12 month fixed rate deals over the past few years and they always seem to offer a lower than c...
- 26 Forums
- 2,675 Topics
- 62.6 K Posts
- 294 Online
- 7,089 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: Several AC coupled batteries
That is a good point, a manufacturers can stop trading,...
By Batpred , 12 minutes ago
-
My first question is why bother with the auto balancin...
By JamesPa , 39 minutes ago
-
RE: Indevolt Batteries UK Support & Info Thread
Hi @hanno - good question. The range of hybrid invert...
By Transparent , 42 minutes ago
-
RE: GivEnergy inverter tripping due to over-voltage?
@transparent the inverter was installed in 2021 and afa...
By Tim441 , 1 hour ago
-
I share the same experience as @majordennisbloodnok hav...
By Old_Scientist , 2 hours ago
-
I agree. So far as I understand, we can't necessarily...
By Majordennisbloodnok , 3 hours ago
-
Did you try using the find an installer tool in the sit...
By Batpred , 3 hours ago
-
RE: Say hello and introduce yourself
I hope so, @toodles. It's not often that we see a situa...
By Majordennisbloodnok , 5 hours ago
-
RE: Heat pump design review please: 5 kW Vaillant aroTHERM Plus heat pump
@jamespa many thanks, definitely i will give the pre...
By ragtime27 , 16 hours ago
-
RE: Heat pump installation quotations
@jamespa I noticed that in the Heat Geek design consult...
By Batpred , 17 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
-
RE: Help me keep the faith with my air source heat pump installation
@jamespa these:
By AdamK , 1 day ago
-
RE: Air source heat pump roll call – what heat pump brand and model do you have?
Vaillant arotherm plus 12kW. Installed March 2025. Ex...
By Harebell , 2 days ago



