Last seen: Sep 14, 2025
I think it is more accurate to say filters that incorporate a shut off valve (that allows you to open and clean it)! The installer needs to go back to...
Not on github, haven't gone down that route. Here's the script I currently have running, should be self-explanatory if you know python basics. Zipped ...
And then just look at them there formulas! I think the benefit is all three of us understand how science works, but from different viewpoints. ...
Names do matter, because what they refer to are different things. Sloppy language = sloppy thinking. If you need to increase the volume of water, then...
Here's an interim chart for the last week, with key events added (CC3->CC1 is the secondary circulating pump setting):
I should add that there is another problem we have been trying to solve, so far without success, the question of how much setbacks (eg an overnight se...
It is the problem we were trying to solve, we being largely but by no means exclusively @jamespa and me. As JP has already mentioned, he has a backgro...
@bobtskutter - you may not have seen them (and why should you!), but we have at various times discussed using empirical methods of determining heat lo...
As you haven't specified which correlation method you have used (a number exist), I assume you have used Pearson's correlation coefficient (which is r...
Latest Posts
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Big Changes Coming to Our Heat Pump System
After years of living with an underperforming system an...
By Mars , 34 minutes ago
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RE: Help me keep the faith with my air source heat pump installation
@jamespa That flow rate sounds rather high James! Regar...
By Toodles , 2 hours ago
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@jamespa thanks, I appreciate the offer. For n...
By DREI , 12 hours ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
@transparent what I don't understand about these "rogue...
By Scalextrix , 15 hours ago
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RE: Who’s Caved and Switched the Heating On Already?
I have 3 women in the house, 2 little ones, so my heati...
By DREI , 17 hours ago
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@damon thanks. I will do as you suggest. Hopefully I wi...
By bontwoody , 18 hours ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Much of that is true in principle, but its not likely t...
By JamesPa , 2 days ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@dgclimatecontrol I attach the responses from 2 potenti...
By pash44pump , 2 days ago
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RE: Midea ASHP – how to set weather compensation
Mostly, I think, but with some caveats. I set the TI...
By cathodeRay , 2 days ago
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 3 days ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
I realise im overdue an update on my situation. first...
By Cleardene-ashp , 3 days ago
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RE: Replacing Worcester oil boiler with an ASHP
@toodles thanks. I was told by the engineer that this h...
By JulianC , 3 days ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
A week later, I'm finally picking up this comment... ...
By Transparent , 3 days ago
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RE: COP is not the only measure of efficiency
We keep all our TRVs fully open using the whole house a...
By Old_Scientist , 3 days ago
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RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
I am pleased to say at 4pm today we have added another ...
By ASHP-BOBBA , 4 days ago
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RE: Renewables & Heat Pumps in the News
To unpack this a little.... 1) how many of us in this...
By Lucia , 4 days ago
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RE: Vaillant aroTherm Plus 10kW thoughts?
@realevil the fans and fan speed / coil size (height, w...
By ASHP-BOBBA , 5 days ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@morgan this can just be done by your sepecilist when t...
By ASHP-BOBBA , 5 days ago
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RE: Anyone still weathering it out with Agile?
@toodles I guess it all comes down to import averages. ...
By Tim441 , 5 days ago
