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 28, 2026
Latest situation:Installer attended, couldn't get it working, states the Compressor is at fault now/other parts. He informed Grant. So Grant calls...
Thanks for ckarifying. the installers seem to have a reprieve as manufacturer intervention/parts have failed. however none of th...
But why did pressure plummet? on Monday gauge didn't read 0. But flow setter did. so much for the hydraulic separation of the LLH…
thanks. Just heard a big clunk. secondary pump is now off. P1 error on the Grant panel
Yep just builder. Seeing as he hasn’t officially instructed heat specialist. Specialist would be under him also. Been misled, given false statemen...
And just been in pump room, observing only. 0 flow. Barely above 0 bar pressure. Gurgling noise in LLH. Air coming out LLH (automatic air release ...
@jamespa Saga continues. On way home told by builder need to give installer 7 days to setup and monitor system. Inform him take issue with this, ...
Seriously doubt they've even applied for it as it has a 120 day period by looks of it. Utter lunacy this has got to this point. Specialist tells m...
I’m probably at my mental limit with this. Queried builder that specialist has in fact been booked in tomorrow and he’s sent a message along lines o...
Unfortunately this is the ONE day this month I can’t even arrange a call due to work commitments at the time. What I’ll do however is ask the...
Saga continues. PCB replaced by installer. In fairness to him was overwatched by builder and did his best, F5 error on panel. Couldn’t get it runnin...
ASHP switched off per specialists guidance. Seems the blacked out flow setter I was reading wrong…There was zero flow on it. It’s on the return side. ...
- 26 Forums
- 2,607 Topics
- 60.8 K Posts
- 489 Online
- 6,967 Members
Join Us!
Worth Watching
Latest Posts
-
RE: Renewables & Heat Pumps in the News
@editor, I hear that too. I can confirm that out of ...
By ASHP-BOBBA , 2 hours ago
-
End-of-Life Heat Pumps: How Do You Dispose of an ASHP in the UK?
As many of you know, our Global Energy Systems heat pum...
By Mars , 2 hours ago
-
@derbygraham fully agree with James, and it’d be good t...
By Mars , 3 hours ago
-
RE: Indevolt Batteries UK Support & Info Thread
Finally got around to installing and setting up the Sol...
By Mars , 3 hours ago
-
Unfortunately its a function of the physics. Max heat ...
By JamesPa , 4 hours ago
-
RE: Microbore heat pump installs
In principle you are almost certainly right, but in pra...
By JamesPa , 4 hours ago
-
RE: Electricity price predictions
@old_scientist We are a low mileage home, so bulk of ou...
By ChandyKris , 5 hours ago
-
There are just too many unknowns for me to comment on p...
By Transparent , 7 hours ago
-
RE: What is the main ‘dictator’ of Agile’s unit price?
@toodles I keep an eye on wholesale prices and energy m...
By ChandyKris , 8 hours ago
-
RE: Brand and installer questions for ASHP
Strange, perhaps it doesnt use modbus which the third p...
By JamesPa , 10 hours ago
-
RE: Upgrading my system, how far do I go?
For comparison, my PW3 with 11.04kW inverter, will char...
By Old_Scientist , 12 hours ago
-
RE: Changes to Tesla Powerwall Charging Regime?
Elon gate - legendary! I take my hat off to you @toodle...
By Old_Scientist , 16 hours ago
-
RE: Mitsubishi Ecodan not good enough ?
Thanks @goody, appreciate the feedback and sorry you ha...
By marcexec , 1 day ago
-
RE: Minimum and Zero Disrupt Heat Pump Installations
True (first sentence) Thats the reason to consider th...
By JamesPa , 1 day ago
-
RE: High air source heat pump running costs – Vaillant AroTherm Plus
Quite right. I was using a rough guesstimate of doublin...
By Majordennisbloodnok , 2 days ago
-
RE: My Grant R290 9kW Heat Pump Installation
Again, really don't know how accurate this is! &nb...
By petch , 2 days ago
-
RE: MCS Quality Audit – Has Anyone Had One? Did It Lead to Remediation?
@toodles The whole scheme is a shocking waste of money....
By Papahuhu , 2 days ago
-
RE: Anyone concerned about GivEnergy?
Many thanks for your, and the subsequent, answers tk qu...
By KevH , 2 days ago
-
RE: DIY or Don’t Touch? Solarman Smart Meter Install
Yes, and these guys would probably be my preferred inst...
By Batpred , 2 days ago
-
RE: Hot water tank lose heat rapidly on random days
@jamespa Hopefully their reasons are well intended! ...
By Bash , 2 days ago
-
RE: Ecoflow UK Support & Info Thread
As mentioned above, we’ve got our full review of the Ec...
By Mars , 3 days ago
-
RE: Say hello and introduce yourself
@sonosppp welcome to the forums. I see you've posted in...
By Mars , 3 days ago
-
RE: Guidance with installing a new heating system
@bobflux Great, thanks for the advice. The pipe has an ...
By Hamilton , 4 days ago
-
RE: Daikin Altherma 3 LT compressor longevity question
@optimistic-optimiser I have has a Daikin for a few yea...
By madsid , 4 days ago
-
RE: UK DIY Battery: SEPLOS 48V 200Ah x2 + Sunsynk 8K – Safe Installation for Garage Conversion
The rule of thumb is to ensure that you can isolate any...
By Transparent , 4 days ago


