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Last seen: Aug 18, 2026
I think the switching is because the thermostat in the immersion heater element is switching on and off because the water close to the element is reac...
Ah, I see. I hadn't seen that option. The title's a bit misleading- "hourly" meaning "for one hour" rather than what I assumed "hour by hour" I've p...
@gary Ah, OK. I find that way of doing it more confusing, as it doesn't show the actual time on the horizontal axis. I get your point about matching...
@gary Not sure I understand what you are asking for?
Melcloud graph for the last 24 hours. I have the heating scheduled to go off at 20:00 and back on at 23:30. This is because I'm on an EV tariff with c...
Ran the Legionella cycle again overnight, with the thermostat on its highest setting. It did eventually reach 60 degrees, after 2 hours. The cycle ...
Can't the suppliers, or at least the smart meter network people, tell when local demand is straining the grid by just looking at the supply voltage at...
To be fair, the total demand for the period was a maximum of 3kW - the ASHP goes idle while the immersion is running. In contrast, my electric car's...
The Mitsubishi controller only allows for setting the Legionella cycle start time in hourly increments. All the other timers/schedules are adjustabl...
Seems like I can't force it to run a Legionella cycle, and setting it to run at 11:00 daily didn't work, presumably because it knew it had already run...
Reading the thread linked to, very similar setup to mine. To me, it seems like the installers have made an error by fitting an immersion that will c...
I've had a closer look at the immersion heater. It seems that this model (Thermowatt RTS 3 ERP) is available in 3 different versions. I managed to fin...
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Latest Posts
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RE: Where heat loss surveys seem to go against practical reality
I am amazed that there is not something out there to me...
By JamesPa , 1 hour ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
@bobflux The hydraulic simulator is very interesting...
By Rob of York , 7 hours ago
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RE: 7kW EV Charger Options Advice
Thanks. Yes, we have patchy 4G. The only option we had ...
By Rusty , 12 hours ago
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RE: Being screwed over by Volkswagen Audi Group
Thanks, @batpred. That integration is the one I have in...
By Majordennisbloodnok , 1 day ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
@batpred I suspect it will be more this year. I had 9 ...
By AndrewJ , 1 day ago
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RE: Surface mount or bury primaries for heat pump installation?
@jamespa It's rusting 🙂
By tomasmcguinness , 1 day ago
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RE: Glass lined Cylinder for private water supply
Thank you, once again, for your replies. Yes...
By ian33a , 1 day ago
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It’s been out a few days and Amazon has already attache...
By Mars , 1 day ago
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RE: Missing flow temperature in Heat Geek proposal
Yes, and this is another point I agree. We did find a f...
By Batpred , 2 days ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
A very good point. In effect, the DHW pipework is an em...
By cathodeRay , 2 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@tim441 Here are those same three month periods for 202...
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RE: Adding additional Solar Panels to a DC coupled battery system
@transparent thank you for your reply above. As alway...
By Old_Scientist , 5 days ago
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RE: Adventures in heat loss calculations
@rob-of-york — thanks for posting this, all very useful...
By cathodeRay , 6 days ago
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