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: Oct 21, 2026
This is simple. Heat pumps and boilers can only supply water at one flow temperature at any one time. You need a higher ft for the dhw than you nee...
It's actually quite a revelation to see how Vaillant and ideal have designed the UI to WC. I suspect this because they have 20 plus years of experien...
Is it cycling or defrost. More likely the latter at current overnight temperature
Mitsubishi iLife 2 slim./p>
Sitck with it, if you get your WC curve down to the lowest possible consistent with heating the house you should have an efficient system and plenty o...
Just to say you do need a firm tap (occasionally several), just opposite the inlet to the radiator. Hit it about as hard as you dare. Sometimes this...
So deltaT across rad circuit = 37.9-24.4 = 13.5C. ~5C is what we are looking for. So Im expecting the return from rads to be more like 32C than 24...
Yes. If the pin feels sprung then no problem. If it moves freely then the closing piece (not sure what it's called) may be stuck. A few sharp taps ...
You adjust the end points of the sloped line.you presented earlier. This will be somewhere in the menu, probably the installer menu. I would reduce ...
Yes thanks, good plot Yes initially, but then you turn down the weather compensation curve until the house is at just the right temperature, that...
Situation normal then as @tim441 says you are almost certainly going to have to meddle if you want your system to work efficiently. T...
Black thing looks like (probably) a low loss header combining the output of the two pumps. You will get complete mixing in that which could in princi...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Safety study for plug in batteries out to tender - looks like Q3 2027 at best before legal
Latest episode has just dropped minutes ago with John S...
By Mars , 2 minutes ago
-
RE: Double or Triple Glazed Windows?
There are folks who sell buckets of bits of seals on th...
By EtchedPixels , 23 minutes ago
-
RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
The critical bit is whether it's sustained. Sustained i...
By EtchedPixels , 31 minutes ago
-
RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews As well as loft insulation, there are othe...
By Rob of York , 1 hour ago
-
RE: How much of your renewable and home setup would still work if the internet went down?
On the money, @editor. Until manufacturers stop actin...
By Majordennisbloodnok , 2 hours ago
-
RE: Indevolt Batteries UK Support & Info Thread
Google Cloud outage: Let's not jump to the conclus...
By Transparent , 3 hours ago
-
RE: BT cuts you off, Plusnet blames Openreach... welcome to “seamless” broadband switching
Both of which (in most cases) use Openreach for the las...
By JamesPa , 3 hours ago
-
RE: How quickly would you want/expect heat recovery to take from setback?
@technogeek agreed. I’ve stopped the setback since tha...
By AndrewJ , 4 hours ago
-
RE: Renewables & Heat Pumps in the News
Yes, this is a swiss and german standard I believe, Vai...
By Batpred , 17 hours ago
-
RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
@editor FWIW my problem was resolved, eventually, after...
By BigFish , 1 day ago
-
My heating has been off and DHW on throughout the summe...
By DavidAlgarve , 1 day ago
-
RE: Anyone concerned about GivEnergy?
The GivE forum seemed to have survived the collapse of ...
By downfield , 1 day ago
-
RE: Cooling/heating with one unit
@mrkfm The Solo has a small capacity and only suitable ...
By dgclimatecontrol , 1 day ago
-
First you need to know how much thermal energy you'll n...
By bobflux , 2 days ago
-
RE: Renewable Heating Hub Homeowners' Q&A Podcast
Come for the low-carbon homes. Stay for George Clarke’s...
By Mars , 3 days ago
SPONSORS
