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 2, 2025
Out of curiosity how do you calculate the water law? Working backwards I can see how you might have got to 27 but not 27.3. I'm just trying to get my ...
@derek-m okay. The user manual I stumbled across online as the fitters said they don't supply it as it's too complicated. 🙄 The other manuals were s...
Now running on for 6.5 minutes off for 2.5 minutes. Inverter pump runs at 100% for full 6.5 minutes. 2091, 2 and 3 are all set at #2 when set at ...
@derek-m okay, it would appear that you've worked it out! The values appear to be as I listed above. I am now on 2091 #2 It stopped for 2min 30 s...
@derek-m yeah, I'm in field settings in 2091 but there are 5 choices that you can scroll through. Not use Use signal only on/off Use (signal on...
@derek-m I've now set 2091, 2 and 3 to Room temp. On/off or WL interlink on/off (water pump 2). Am I right to assume this is value 2? I'm not sure h...
@derek-m they really do know how to make these things confusing, don't they. 🙈 I'll try those and report back. Thanks again.
@derek-m yes, system is working, still doing 20 secs - 8 min thing though. When the error shows is when you change "standard temperature" from water o...
@mike-h I'd be happy to run it on the wired controller rather than external stats. I'm led to believe that's how they like to run. I'm not using room ...
I did change these, but these settings are all back to what they were originally. I take photos on my phone of all settings before and after. That way...
These might be beyond me to be honest. Although I can't see what results they would show. As in, I don't see where they might show the results.
- 27 Forums
- 2,811 Topics
- 66.5 K Posts
- 1,551 Online
- 7,217 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
... And that's being generous! I'll tell you a littl...
By SusannaSaunders , 6 hours ago
-
RE: Adding data centre electricity costs to domestic energy bills?
never ceases to amaze me.. Keeping steel works going ...
By Batpred , 7 hours ago
-
RE: Electricity price predictions
great session Reminds me why some politicians can be ha...
By Batpred , 7 hours ago
-
RE: Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
Absolutely agree. The massive Hager CU my vaillant requ...
By Batpred , 7 hours ago
-
RE: Why don't people choose heat pumps?
With a heatpump tariff, it should be cheaper to operate...
By Batpred , 7 hours ago
-
RE: How much of your renewable and home setup would still work if the internet went down?
absolutely agree. even if many providers see that extra...
By Batpred , 8 hours ago
-
RE: Octopussy cosy 6 experience
People who have a Cosy appear generally to be happy wit...
By JamesPa , 11 hours ago
-
I thought the cr*p came first and the biofuel came afte...
By Majordennisbloodnok , 15 hours ago
-
RE: Aerotherm and weather compensation
@jamespa I replied yesterday with detailed readings whi...
By DavidB , 2 days ago
-
RE: Marvel Heating liquidation
@editor This is an important point. each winter, you...
By davidnolan22 , 3 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
Very nice. we’ve been super soggy here, but rather m...
By Papahuhu , 3 days ago
-
RE: DIY powerflushing tutorial
Interesting! I toyed with the idea too. But I installed...
By bobflux , 4 days ago
-
RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews Agree with the others on sequence: loft first...
By mk1234 , 4 days ago
-
RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
Heating been on for 4 weeks now, continuous. It's 6C o...
By trebor12345 , 5 days ago


