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Last seen: Oct 18, 2026
@bazcurtis you would look to see if there is an additional pump gold or yellow colour normally piped in on the cold water inlet or at the top of the t...
do you have a secondary return pump on the cylinder?
@editor Nice, its about time, we need some professional add ons that help on that side of things to make these systems a bit more cost effective. I ...
You need to work out if the system is leaking on the ASHP circuit or cylinder side, if you need to top up the heating circuits or if its leak...
I am soon going to install and review an Adia Thermal connected to a Vaillant, microbore drops 10mm, no rad changes and no DHW change, they claim prov...
@wanttobegreen Thank you for the honest and kind review. It was our pleasure to work with you and we hope to look after you and your system for the fo...
With regards to line 2, could it be that the (demand) was not met and although the external temp was 21.2c (some solar gain no doubt) the act...
This is likely thread sealant for the pocket plug, very easy fix if it starts oozing out, unless you get an actual leak it is probably fine, what you ...
Your DT is to low, you do not have enough heat exchange would be my 1st thought, it might explain the short cycling. How old is your home as the app...
I don't know Grant system but most ASHP are very similar. The grant controller should act as the only stat on an open loop for best performance and yo...
@2019ashp can you post a pic?
Yes, I have seen "many times" where the indirect coil connections raise up but no air bleed, it only takes a small amount of air in the line to effect...
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RE: New Build 3 Phase or 1Phase
£16K (or even £25K!) would go a fair way towards employ...
By Toodles , 58 minutes ago
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Mars asked for an update on progress so …. Out HP has...
By DavidB , 3 hours ago
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RE: How much of your renewable and home setup would still work if the internet went down?
Yes I actually have a copy of a tool that whenever a ce...
By EtchedPixels , 4 hours ago
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RE: How will removing the standing charge on gas bills benefit heat pumps?
The shoulder months are very difficult to judge COP on ...
By scrchngwsl , 6 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
@editor Hi, To resolve this, please tap on the A...
By Indevolt Tech , 12 hours ago
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RE: Double or Triple Glazed Windows?
Posted by: @singlespeed With 9 years repairing windo...
By Rob of York , 1 day ago
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@transparent we’re still running a secure version of PH...
By Mars , 1 day ago
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RE: How quickly would you want/expect heat recovery to take from setback?
Much longer than that here. The heating isn't even on. ...
By bobflux , 2 days ago
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RE: Passiv Smart Thermostat - Help & Forum Support
Obviously the weather is changeable but there's a defin...
By Singlespeed , 2 days ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@rob-of-york I must admit that when we had a Daikin hea...
By Toodles , 2 days ago
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RE: Forum updates, announcements & issues
Get the Renewable Heating Hub heads-up on WhatsApp. I...
By Mars , 2 days ago
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RE: Safety study for plug in batteries out to tender - looks like Q3 2027 at best before legal
@editor I pointed out to the one of the Fuse execs that...
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews As well as loft insulation, there are othe...
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