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 21, 2026
@rhh2348 We have a Tempest Solar cylinder which has two coils and has 250l volume. Solar thermal array on the roof. The Grundfos circulation pumps ...
My bad…. the FTC6 does have separate speed settings as you say. It’s some time since I’ve looked at the on screen menu for pump speeds because we can...
Hi, @rhh2348 I’ve been looking for ways to control flow rates on our ecodan for over 2 years specifically for our Tempest cylinder. We now control ...
It’s clear from what you say, above and what we have experienced in our own system that radiator systems behave very differently to screed laid under ...
Hi @rhh2348 I have a question on your underfloor setup. The floor you’re describing above, assuming the 100mm thickness is a concrete screed, wou...
Hi @rhh2348 , coming late to this thread as our Ecodan is off and our DHW is wet solar during the summer months. Have you found the answers to your ...
So @lickofpaint I think you have your answer - “Your question isn’t so dumb…” as for lived experience we did some experiments on night time setba...
Your graph shows some interesting correlations. Simple question- Can you confirm if the 17% difference in estimated consumption is of your total HP m...
yes ours is set exactly as you stated. 72W for pump4. Zero for all others. I may consider reducing it to 50w and see what that does to the daily sta...
Hi. Do you know if your meter is collecting all energy used by all ancillary equipment eg. Immersion heater, zone pumps (if fitted) etc? Also how ma...
@derek-m brilliant... will look into it!
SPONSORS
Degrees of Separation
Latest Posts
-
There is definitely a market, or possibly 3 markets onl...
By JamesPa , 5 hours ago
-
RE: Air to air bus grant installer anywhere
society and politics require things to be made more com...
By Batpred , 18 hours ago
-
RE: Advice on my Heat Pump Journey: Old Stone Built Detached Cottage
I would also look at an air/air install if you've got t...
By EtchedPixels , 19 hours ago
-
RE: Existing Solar Panel installation - structural roof calculation check
What will also happen is that they see that there is so...
By EtchedPixels , 19 hours ago
-
RE: Indevolt Batteries UK Support & Info Thread
@indevolt-tech can you please assist @blizzardgreen.
By Mars , 21 hours ago
-
RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
It's a great looking piece of kit and the 5kw is very q...
By avenir , 2 days ago
-
RE: Vaillant Arotherm Pro vs new Plus
So with the dedicated Hager CU, flipping the big red bu...
By Batpred , 4 days ago
-
Well I usually do it by feel, which is a slight problem...
By Transparent , 4 days ago
-
@jeff I am well aware of the riskiness of such investme...
By Toodles , 4 days ago
-
Fully understood and entirely reasonable! On the home ...
By JamesPa , 4 days ago
-
RE: Electricity price predictions
So I am really having difficulty trying to work out wha...
By bontwoody , 4 days ago
-
Ok Well almost certainly it could be used instead of ...
By JamesPa , 5 days ago
-
RE: Samsung heat pump - data cable issue
Samsung reference it as "RS485 - COMM" in my manual. ...
By Old_Scientist , 5 days ago
-
RE: SolarEdge SE5000H Inverter Failure
Update. My SolarEdge inverter was replaced yesterday wi...
By L8Again , 5 days ago
SPONSORS
