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: Jan 20, 2026
Just to update the thread, I now have a new heat pump!! The Grant engineer came last Monday, and found that there wasn't enough gas in the system so l...
@adamp thanks. I've now spoken to someone from Grant and they are going to send someone out to replace the discharge temperature sensor. He seemed con...
Ok think I'm done tinkering, have gone back to WC mode. Under fixed temp settings the highest it got to was 36, then dropped back to 35/34. @jamespa ...
@jamespa yep mentioned in my previous message I've disabled night mode. It was sitting at 35 for a bit, now up to 36. Although oddly the rads have j...
@jamespa Ok here's an update on today so far. The heat pump has been on since 6am, I have turned up the thermostat. I've taken multiple readings of th...
@jamespa we are not successfully heating hot water either. We thought we were, but have now realised that was only because the immersion was set to co...
@jamespa the readings I have taken so far have been when the heat pump is running (and had been running constantly for multiple hours), so I don't thi...
@jamespa thanks for your reply. It's an R32, exact model is HPID17R32. My reading of the manual is that the error could either be because of a senso...
I forgot to add - when I was taking the flow/return temperature measurements, the outside temperature was reading at 6 degrees.
SPONSORS
Degrees of Separation
Latest Posts
-
The positive reviews keep coming in for Britain's Heat ...
By Mars , 10 hours ago
-
RE: Next steps on my ASHP journey: Radiators and Pipework
I have one of these fitted which also allows you to reg...
By Old_Scientist , 14 hours ago
-
RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
If they can't don't give up. Heat pumps are, in reali...
By JamesPa , 2 days ago
-
RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s I wouldn't be too concerned about the design ...
By Rob of York , 2 days ago
-
RE: Missing flow temperature in Heat Geek proposal
Yes that's what would happen by turning down the lsv to...
By JamesPa , 2 days ago
-
RE: Grant R290 DHW Cycle Interuption
It looks like some sort of short pre-run. The question...
By JamesPa , 2 days ago
-
RE: Cascade System or larger single unit
@renewables345 I would say if it a new build it’s no mo...
By Aventus Eco , 2 days ago
-
RE: Why are ASHP installs so expensive?
Posted by: @batpred There´s another aspect that coul...
By Rob of York , 2 days ago
-
RE: Say hello and introduce yourself
@gz00, welcome to the forums. There’s a huge amount of ...
By Mars , 2 days ago
-
RE: Home energy storage & battery register
1 fox ess lv5200 batteries, plus 2 more waiting to be i...
By Jimcub , 2 days ago
-
RE: Heat Pump deployment statistics: June 2026
@l8again Unfortunately the government is, I suspect,...
By JamesPa , 2 days ago
-
My feed of random industrial auctions turned up this au...
By Prunus , 3 days ago
-
We’ve just passed 20 million forum views! 🎉
It's official. The Renewable Heating Hub forums have of...
By Mars , 4 days ago
-
RE: Who's your electricity provider and what's your tariff?
@batpred When the raw material input has increased in c...
By Papahuhu , 5 days ago
SPONSORS
