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 18, 2026
@derek-m It's interesting what you say. We didn't understand how Octopus deals with exports when we signed up. We signed up with them because they p...
@transparent The borehole pump is a Rovatti 4ES8 - it is a .75 kW, 2A 3-phase. The circulating pump that I mentioned, Grundfos, is single phase. We...
@heacol Sorry, I made a mistake. My husband told me that he doesn't use high pressure - he backflushes (we had valves installed for that purpose).
Hi Derek, That's an interesting idea that we haven't entertained, and might have entertained if we were at the initial stages again. The question of...
@heacol We have no extraction licence as our extraction is below 20 cubic metres per day (we have the calculations of how much we use for heating and ...
Very good. I just sent the Hythe group an email saying we want to participate in discussions - although it would be much better if you could get here!...
Very instructive - we have 100 solar panels and no storage capacity so will be very interested in these discussions! The drilling companies were bot...
You are brill! Didn't know I had a Building Control Application for the GSH system! I have the DNO and the electrical test certificate, the HW Commiss...
@transparent @transparent We have no idea about Building Control - we didn't know they should have been informed about the GSHP system installation a...
We thoroughly investigated filters that might be installed to remove the clay particles from the water before the pump and heat exchanger. Unfortunate...
We have an open loop system that involves a borehole pump, a buffer tank, a pipe run to a plant room, a variable speed pump, and a plate heat exchange...
@mjr If Vaillant didn't have these parts in Germany I would agree. But they are apparently widely available across the EU, with distributors often off...
- 26 Forums
- 2,645 Topics
- 61.8 K Posts
- 536 Online
- 7,045 Members
Join Us!
Latest Posts
-
RE: Anyone concerned about GivEnergy?
So it seems subscription day has finally arrived for Gi...
By TechnoGeek , 60 minutes ago
-
RE: Heat Pump Overpromising – What Were You Actually Told Before You Bought?
No, I agree entirely. There shouldn't be a need for an ...
By Majordennisbloodnok , 3 hours ago
-
RE: How many people are happy with their ASHP and do you believe them?
I agree, and not. Energy prices are a largely politica...
By JamesPa , 3 hours ago
-
RE: Solar Produced vs Home Consumed
All inverters will use solar power in preference to dra...
By JamesPa , 3 hours ago
-
Yes, you will need to notify them even if the inverter ...
By Old_Scientist , 4 hours ago
-
RE: Heat Pump Manufacturers Recommending Buffer Tanks
@tony-stolz, I think @jamespa has already covered the h...
By Mars , 16 hours ago
-
RE: Heat Pump Operation in Summer - Valliant 7kW
I do the same: cool my large buffer (3000L) to 10C, pum...
By upnorthandpersonal , 1 day ago
-
@editor "The interesting bit is that many modern invert...
By Singlespeed , 1 day ago
-
RE: Ecodan & MelCloud scheduling
With the prospect of warmer weather this week, I brough...
By downfield , 1 day ago
-
RE: A2A vs A2W: Which Heat Pump Would You Pick?
I reached out to MCS directly last week on this and her...
By Mars , 1 day ago
-
RE: Help me keep the faith with my air source heat pump installation
My heating developed a really severe case of noise and ...
By JamesPa , 2 days ago
-
RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
@l2jad I was just thinking all things being equal. Our ...
By AndrewJ , 2 days ago
-
Hi, Does anybody have experience with Heat Geek insta...
By sttpd1917 , 3 days ago
-
I will soon be struggling. Admittedly it is the summer,...
By Batpred , 3 days ago


