Last seen: Oct 11, 2025
@jamespa @toodles So I have changed the pump (all working again) and had a better look around. There appear to be 2 x two way valves one on the upst...
@jamespa I think you are spot on about the integrated buffer vessel, she has sent me her documentation. It was designed for a 50C flow temperature wit...
@jamespa Its a lot more than I had managed to work out James, so thanks yes. Ive offered to switch the pump for her as a belated wedding present, so w...
@toodles LOL, I did point that out to her 🙂
@toodles I suppose anything is possible. I wish I had took a better photo of the cylinder so I could perhaps look it up and see its connections. Perha...
@robs Wow. That’s quite a difference!
@raiph So if its all in the box, my guess would be it is already using PWM to control the pump. It would be madness not to given that the facility is ...
@raiph I would assume you could manually alter the pump speed, or if it is of a compatible type it can be controlled via Pulse Width Modulation direct...
@raiph So it will be cheaper to heat your domestic hot water overnight if you have a large enough tank to meet your daily needs. I dont heat my DHW us...
So just to keep this thread updated, here is the latest months data. October has been mild and the potential savings of having a second battery are on...
@cathoderay I see what you mean. I am able to show flow rate on the graph and it seems the pump gives a burst (for 2 minutes) when the heat pump goes ...
Latest Posts
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RE: Heat loss calculations and how they work in conjunction with heat pump sizing
Thanks and apologies if I was a bit lazy...I have not p...
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@plasfron Hi there! Yes your Mitsubishi heat pump needs...
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RE: Aira Heat Pump: Stylish Scandinavian Heating
The recent ZeroDisrupt discussions reminded me to take ...
By Mars , 7 hours ago
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RE: What is the Heat Geek Guarantee?
@colinc, that’s a very fair and well-balanced comment, ...
By Mars , 7 hours ago
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@toodles Thanks. I will assume they have made som...
By Papahuhu , 8 hours ago
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RE: Are We Sleepwalking Into Another Race to the Bottom?
Oh come on, that's a ridiculous argument by an installe...
By JamesPa , 8 hours ago
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RE: Say hello and introduce yourself
I've seen photos of other people placing the tank in a ...
By Transparent , 9 hours ago
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RE: PV Panels on roof in Conservation Area
@colinc Do your own due diligence re reviews etc but...
By Morgan , 10 hours ago
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RE: Heat Pump Installers: Competence, Illusion and the Hard Truth Homeowners Must Face
So true, possibly with the exception of people you woul...
By JamesPa , 10 hours ago
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RE: Isolating the system for a planned power cut
I hadn't realised your reason for a 100mA trip was due ...
By Transparent , 10 hours ago
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RE: Midea ASHP – how to set weather compensation
Some things worth mentioning: (1) the Headroom Heat P...
By cathodeRay , 11 hours ago
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RE: Heating Turned Off but Radiators Still Warm
@9jwr9 I didn't get an answer at the time and there has...
By Pipcart , 11 hours ago
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RE: Battery storage to run Heat Pump.
@majordennisbloodnok I’m not sure you will be able to r...
By Toodles , 12 hours ago
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RE: Renewables & Heat Pumps in the News
You've completely missed the point. Old, unpatched so...
By Majordennisbloodnok , 12 hours ago
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RE: Ecodan Energy Monitoring Pack
@batpred that’s an idea yes. Will look into it
By Carpenterstation , 12 hours ago
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PUHZ SW120Y & EHSC-VM2D - Buffer tank to Volumiser
Eventually I was able to find someone here in the Algar...
By DavidAlgarve , 13 hours ago
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RE: Anyone still weathering it out with Agile?
We are still on agile and it works ok'ish to charge the...
By Batpred , 13 hours ago
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RE: New Fogstar 15.5kWh upright solution
Ah... now I can see a photo,and that changes the advice...
By Transparent , 15 hours ago
