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Last seen: Oct 25, 2026
I think so, but can't be sure. They were buried in the floor a long time ago (mid 80s). The point where the pipe enters the concrete definitely has vi...
I wonder what 'these' are? If they are flow meters, they don't come cheap, and four could easily set you back a grand. Also, on a PHE, but perhaps not...
I thought as much, and the answer is simple, as you say, publish the graph for each pump. The manual is huge anyway, a few extra graphs won't make it ...
@derek-m - thanks for the detailed explanation. I still think the plots are not ideal, in particular the lack of scales on the axes. We don't even kno...
It is on the return side, pushing water into the PHE, via the filter (black cylinder) you can see in the earlier photo. Will do the PHE measurement ...
Yes, and they are (I've just double checked).
That's very good of you (sending the email). I haven't removed the foam insulation because as you can see in the photo, it is tightly wedged in place....
Not yet, it is going to be a last resort as it will mean moving furniture and taking up carpets and floorboards. That makes sense, and is a less d...
I have been giving some thought to how to test for an invisible bypass and have come up with the following: close all rad lockshield valves except two...
@derek-m - the secondary water pump was rotated 180 to put it back in the correct orientation, the plumber had left it reversed (he thought it might i...
Yes, I find that analogy works for me too, though I add fuel burnt: Think mph is kW, whilst miles travelled and fuel burnt is kWh. I find it furth...
@derek-m - yes, we have to stick with physics (Newtonian, not quantum) and the real world observations and data, and not forget the Holmesian dictum t...
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
Thanks @susannasaunders for reviving the topic I find i...
By springswood , 27 seconds ago
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RE: New Build 3 Phase or 1Phase
Not so any more.... 1: It's now the...
By Transparent , 13 hours ago
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RE: How will removing the standing charge on gas bills benefit heat pumps?
I think it has an enormous impact on air/air users. The...
By EtchedPixels , 21 hours ago
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@editor Ouch, sorry to re start the tick. I had assume...
By DavidB , 2 days ago
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RE: Say hello and introduce yourself
@e-a-west as the good Major said, welcome to the forums...
By Mars , 2 days 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...
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RE: Indevolt Batteries UK Support & Info Thread
@editor Hi, To resolve this, please tap on the A...
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RE: Double or Triple Glazed Windows?
Posted by: @singlespeed With 9 years repairing windo...
By Rob of York , 3 days ago
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@transparent we’re still running a secure version of PH...
By Mars , 3 days 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. ...
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RE: Passiv Smart Thermostat - Help & Forum Support
Obviously the weather is changeable but there's a defin...
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RE: Forum updates, announcements & issues
Get the Renewable Heating Hub heads-up on WhatsApp. I...
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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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