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: Sep 19, 2024
@sunandair Yes, I do tend to repeat myself, one of the pleasures of growing older. The point that I was trying to make is not to jump to conclusio...
By all means jump in Drew, particularly since you have a similar system and possibly the same problems.
The Vaillant controller actually controls the heat pump, the heatmiser thermostats just open the solenoid valves and start and stop the heat pump, ass...
Okay, if your home is getting too warm then you could try selecting a lower curve. If you make an adjustment remember that the system will take quit...
That's fine, the red indicator shows the water flow rate, which should have been balanced the the heat demand of each particular room. With referenc...
@emmajg Do you know the settings of the weather compensation curve on the Vaillant controller? The following video may help.
Thanks Emma, So you have a small system with 6 UFH loops, two of which are permanently forced on by the red caps on the valves. When you operate t...
@sunandair One has to be careful when interpreting the data obtained, since the increase in measured IAT may not actually be due to the heating syst...
@emmajg Can you provide a photo of the unit(s) to which the wires from the solenoids are connected. How many water pumps do you have on your syste...
Can you please provide closeup photo's of your heatmiser controllers and your heat pump controller.
I don't know if this applies to Vaillant controllers, but I believe with some heat pumps it is necessary to switch the controller off, and then back o...
It is thought to be the case that Heatmisers and heat pumps don't play together very well, but don't panic all is not lost. How familiar are you wit...
- 27 Forums
- 2,738 Topics
- 64.3 K Posts
- 1,834 Online
- 7,143 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: Has anyone seen this problem before? Huge anticycling times
Mine was replaced as they couldn’t fix and couldn’t ide...
By cg360 , 3 hours ago
-
RE: Can I start an argument about buffer tanks please? 🙂
Dont, just adjust the LSVs to get different temperature...
By JamesPa , 5 hours ago
-
RE: Heat pump running costs – what has actually worked for you?
I installed the air source heat pump in January 2026, i...
By bobflux , 7 hours ago
-
RE: Grant Aerona Air to Water R290 6.5 kW - Quiet Mark and Silent Running
Thats all interesting. DHW on my Vailant seems to respe...
By JamesPa , 12 hours ago
-
RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
One of the other mods has just reminded me that @ashp-b...
By Majordennisbloodnok , 14 hours ago
-
RE: Electricity price predictions
So a final update on Charge Pack, now I have nearly rea...
By bontwoody , 2 days ago
-
RE: Indevolt Batteries UK Support & Info Thread
My ideal install would have my battery installed before...
By BlizzardGreen , 2 days ago
-
RE: PV and battery long payback - sense check query
@old_scientist I have now drafted 2 replies - both have...
By DavidB , 2 days ago
-
RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handle: adrian Manufacturer: Appliandirect.co....
By Adrian , 3 days ago
-
RE: Acond heat pump failed after four years - diagnostic quote £940 plus VAT
@downfield Thank you Downfield. This sounds potenti...
By Mia , 3 days ago
-
RE: Digest of UK Energy Statistics
@jeff Yes my brother in Oz told me of that charge year...
By Jancold , 3 days ago
Members Online
No online members at the moment


