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
No idea, they may have done that when did the 50L install, but didn't mention it. He was saying the primary circulating pump (one bottom ri...
…and it's not the water pump, ramped up to 28l/min - 30l/min, then quite soon after dropped to 20l/min. Thankfully Grant had the sense to also send ...
Shortly installer is coming to replace the offending pump &/or the pcb controller (can't remember the term). 1 living room sitting at 1...
Oh completely, he even said without the hydraulic break either a secondary pump would have taken over or it just would have obviously not bee...
That's good to hear. I truly hope this 10 minute replace of the pump will do the job and I can sign off this project and move on!
Here it is: (Ignore lack of lagging for now, they're coming back tomorrow/Friday to sort that)
Hi @toodles , hope you're keeping well! It's been plumbed in as a 4 port LLH/volumiser combination. Much to my annoyance when the specialist wanted...
@jamespa be very interested to know your thoughts on this. A 6L LLH replaced with a 50L one…could that cause more issues? I'll hopefully have the ...
So another update! The 50L is in, the plumbers flushed and refilled system. They ran it for a good couple hours, and…… …the Grant ASHP kept shor...
Gone with Fernox Alphi-11, relieves the installers concerns on no anti-freeze (glycol), and Eskimo got back to me saying it's all good. They've flus...
They're here today, he brought both: Fernox F1 Fernox Alphi-11 - the one he'd like to use as combination inhibitor/anti-freeze ...
Installers coming tomorrow. One has messaged messaging not got Fernox F1 but Fernox with antifreeze. What are thoughts on that? He’s happy for me to d...
Latest Posts
-
RE: GivEnergy inverter tripping due to over-voltage?
That's useful information @tim441 I would like to be ...
By Transparent , 38 minutes ago
-
RE: Cooling with air to water heat pumps
Very sensible Unfortunately I fear that's too simple...
By JamesPa , 1 hour ago
-
Nobody will, that's the point of this thread, the heat ...
By JamesPa , 2 hours ago
-
RE: Indevolt Batteries UK Support & Info Thread
Good morning. I just came across your website. Was ho...
By iRadiate , 7 hours ago
-
RE: Failed Heat Pump Install: IWA Claim Rejected
Many of the estimates we received mention IWA and RECC....
By Batpred , 17 hours ago
-
RE: Rural burning – I've had enough
Same here in Finland. It's strictly forbidden ...
By upnorthandpersonal , 18 hours ago
-
RE: Renewables & Heat Pumps in the News
Something worth flagging... we've just published a news...
By Mars , 18 hours ago
-
RE: Renewable Heating Hub Homeowners' Q&A Podcast
The Homeowners' Q&A podcast is back... I've changed...
By Mars , 19 hours ago
-
RE: Anyone concerned about GivEnergy?
I have already signed up with Axle so yes, that takes c...
By KevH , 20 hours ago
-
@batpred Would it pass the airbnb feedback test no. I...
By EtchedPixels , 1 day ago
-
A quick update... we've just launched the beta version ...
By Mars , 2 days ago
-
RE: Who Actually Owns a Heat Pump in Britain? We Asked. Here Is What We Found.
The age part doesn't surprise me - only 25% of UK home ...
By EtchedPixels , 2 days ago
-
RE: Home automation and the cloud; is there a better way?
Nothing you've said there, @etchedpixels, is something ...
By Majordennisbloodnok , 2 days ago
-
I've heard from others living in the vicinity of Derril...
By Transparent , 2 days ago
