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Last seen: Aug 20, 2026
Looks like you have a 25L buffer vessel, so I'm guessing there are two pumps, one on the primary side of the buffer, and one on the secondary side. ...
That's strange. According to the manual, with those settings the pump(s) should cycle 7 mins off, 3 mins on Try changing #2091 and #2093 to the sett...
Don't want to step on @pirate-rich's toes, but are you advise us of the settings for Field Setting Values (FSV) #2091, #2092 and #2093 please? When ...
The following source indicates 19,416 ASHPs had been installed under ECO4 at the half way point of the scheme, in May 2024 Perhaps more concerning, ...
@richdorm do you have an external thermostat, or not? In other words, which of the two modes @mike-h highlighted above are you running in? We use a ...
Thank you for the calculation I'll add some first hand data here, albeit a single data point made through observation. Conveniently, our house ...
I'm not sure which cylinder they have sent you, but I found data sheets for some Mixergy cylinders here which show coil rating of around 17.8-20kW for...
My thinking exactly, but I don't know whether it would be significant enough to be concerned over. Given how long you've waited for a replacement, I...
All else being equal, having an indirect heating coil will reduce the volume of water the vessel can hold. But as you are not comparing like for like ...
@bontwoody I have a single string 3kW solar AC inverter (non-hybrid), one year old, recently decommissioned as I've just had a Tesla Powerwall 3 insta...
Glycol is colourless, but typically glycol sold in the UK for use in heating systems has a light blue colouration. If you empty the contents of your Y...
Top tip to fit an isolation valve! All good points. I guess that at least with an automatic air vent valve you have the option to operate it automat...
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Latest Posts
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
Cloudy one done, might get the sunny one tomorrow or de...
By Watcher , 21 hours ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis, I’ve followed this thread pretty much from the...
By Mars , 2 days ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
First time poster here but I can share my experience as...
By SCH , 2 days ago
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At the risk of going on: A slight side issue for a foru...
By Bart , 2 days ago
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RE: Is it the house or the equipment?
...which, I've found out, is pretty much impossible to ...
By Majordennisbloodnok , 2 days ago
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RE: Mitsubishi Ecodan FTC6 settings
The Mitsi remote thermostat should not be plugged into ...
By F1p , 3 days ago
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RE: PV and battery long payback - sense check query
@jamespa I was just commenting on the speed, not sug...
By Batpred , 3 days ago
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Readers here please note that Derril Water and many oth...
By Transparent , 3 days ago
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RE: Advice on Vaillant Sensocomfort
Oops, I meant Sensocomfort (the UI to the controls)
By Batpred , 3 days ago
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RE: Heat Pump Training vs. Real-World Installation
Our instal was very much the opposite. White haired blo...
By Batpred , 3 days ago
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RE: Flushing system, cleaning and inhibitor
While skim reading a manual for our Vaillant HW tank, I...
By Batpred , 3 days ago
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RE: 'Chinese Diesel Heater' to heat the home .....
Old thread but I'm new to the forum so new to me. How...
By BlizzardGreen , 4 days ago



