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 16, 2026
All noted. it was @bobtskutter that finally diagnosed the problem (which related to mismatch of pump speed causing throttling at the system separati...
I have yet to hear of a system that actually did work efficiently post installer commission. In fact I cant see how it can - no installer is going to...
Many people regard that as a requirement!
er, you cant have too much emitter capacity! You can have an imbalance where some parts of the house heat more than others but never too much. I...
@gary @davidnolan22 I dont wish to go back over material you may already have covered, but its perhaps worth observing that another forum member ...
Many lsvs go from full off to full on in a fraction of a turn, they are basically isolation valves. There is a whole section on this (comparing diffe...
Nope. The problem is this: Most heat pumps have a modulation range of ~3:1. So if the heat pump is correctly sized at -2, with a house heat loss pr...
It wasnt me that mentioned this, was someone else, I was only repeating what appeared to be a very plausible statement. Yup. Well at least y...
SPONSORS
Degrees of Separation
Latest Posts
-
@davidb I can’t help you with contacts at Vaillant unfo...
By Mars , 7 hours ago
-
RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@Ian-S, I actually think this is a pretty reasonable pl...
By Mars , 7 hours ago
-
RE: Who's your electricity provider and what's your tariff?
@toodles I invested on Miele a pair of frodge frozor wh...
By AgentGeorge , 11 hours ago
-
RE: Flushing system, cleaning and inhibitor
Flush and fill all complete. Octopus kindly gave us a...
By Old_Scientist , 11 hours ago
-
RE: Wood burner with ASHP - direct air?
For what it's worth I installed a wood burner in this o...
By BlizzardGreen , 12 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 , 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: 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 , 5 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 , 6 days ago
-
RE: Electricity price predictions
2. As EV ownershp increases it'll certainly increase de...
By EtchedPixels , 6 days ago
SPONSORS
