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...
SPONSORS
Degrees of Separation
Latest Posts
-
@editor Thanks for your response and recommendations. ...
By DavidB , 4 hours ago
-
RE: Do I add Air Con or MVHR to existing A2W ASHP?
I think I saw a diagram for an exhaust air dhw tank wit...
By JamesPa , 18 hours ago
-
RE: Who's your electricity provider and what's your tariff?
@papahuhu Of course, in the way of such things, there a...
By Toodles , 1 day ago
-
RE: Indevolt Batteries UK Support & Info Thread
Thanks, however that's an answer to a subtly different ...
By JamesPa , 3 days ago
-
RE: Flushing system, cleaning and inhibitor
Yes, my 50L volumiser uses the two lower ports, so ther...
By Old_Scientist , 3 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
@toodles Such elegant symmetry. look at my lumpy bag of...
By Papahuhu , 4 days ago
-
RE: PV and battery long payback - sense check query
Quite probably not, but you can get a 32A relay and a S...
By JamesPa , 4 days ago
-
RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s Look forward to making contact soon! Regards, To...
By Toodles , 4 days ago
-
I don't notice mine defrosting, and most of the time Im...
By JamesPa , 5 days ago
-
RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
Kind of you, @calumm, but it was @f1p who did the heavy...
By Majordennisbloodnok , 5 days ago
-
RE: Electricity price predictions
2. As EV ownershp increases it'll certainly increase de...
By EtchedPixels , 6 days ago
-
I meant to say I cannot register my kit at Energyplus… ...
By Batpred , 6 days ago
SPONSORS
