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 11, 2026
@gary after a quick document scan the UD0-0 error suggests a communication error between the outdoor and indoor units, or sometimes between components...
@gary I’ll ask Mitsubishi for some insights, and hopefully they can provide some clarification. Have you called their support line?
@richard24738 good to hear. I’ll also review them this week…
@benson will you be proceeding with the plinth heaters and which brand(s) are you considering?
@judith off the topic, but just saw in your signature that you MVHR. Was that a retrofit install?
You’re on an insane FiT rate 😂 I don’t think we get that in a year. 😤
April 2025 production: 795 kWh (ranking as our second-best April performance).
@kevinpotts thanks for that. I’ll add them to my list of companies to check out this week. Just saw my Tesco premium is half the price of my current L...
- 27 Forums
- 2,741 Topics
- 64.3 K Posts
- 1,163 Online
- 7,145 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: PV and battery long payback - sense check query
Thanks @majordennisbloodnok Let me clarify. G98 is...
By Transparent , 6 minutes ago
-
RE: Indevolt Batteries UK Support & Info Thread
G99 also applies when there is more than one G98 applia...
By Transparent , 25 minutes 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 , 3 hours ago
-
The "thermal comfort" we feel is a mix of air temperatu...
By bobflux , 3 hours ago
-
RE: Electricity price predictions
2. As EV ownershp increases it'll certainly increase de...
By EtchedPixels , 13 hours ago
-
I meant to say I cannot register my kit at Energyplus… ...
By Batpred , 14 hours ago
-
RE: HomeTherma Is Live: A New Home-Energy Platform Built Around the Homeowner
Signed up!
By bobflux , 2 days ago
-
RE: Has anyone seen this problem before? Huge anticycling times
Oh dear. Glad it was replaced. I have been mighty imp...
By JamesPa , 3 days ago
-
RE: Can I start an argument about buffer tanks please? 🙂
Dont, just adjust the LSVs to get different temperature...
By JamesPa , 4 days 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 , 4 days 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 , 4 days ago



