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Last seen: Aug 20, 2026
@papahuhu No smell, just the dirty brownish orange colouration. That was a particularly dirty sample I collected for the purposes of the photo, afte...
@toodles I don't bother saving anything for after the peak - e.g, the period from 7pm until 2am. The logic being, I am paid 29p for exporting it bef...
Thanks for the replies. System volume is around 180L. I have no idea if inhibitor was originally added. They added glycol which may have contained i...
Thanks both. That was my thought (hope) too, that the single old towel rail radiator was the culprit and that rust colouration naturally spreads ...
No - that's what G100-2 gives you. An 8kW inverter that's export limited to 3.68kW is 8kW without G100. An 8kW inverter that is *output* limited to 3....
We have large radiators as our emitters. Room temp is 20.0C, flow temp is around 33-35C at temperatures where we may see defrost cycles. From memory...
Further, there was a long discussion of the benefits of a volumiser to add system volume here: For reference, I have a relatively large system vo...
I think the principle is that both parties are better off - the supplier because they can receive extra payments for grid balancing (or whatever), and...
See here: which suggests 25-27L per kW for very low flow temps, such as with UFH. What is your heat loss, what is the output and minimum recomm...
The Octopus Saving Sessions are regional, and are defined by the electricity regions I believe (so a lot larger than the BSP's @transparent refers to ...
Interesting read from NESO on their Demand Flexibility Service (DFS), published this week: I think this is what is behind things like Octopus Sav...
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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 , 4 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 , 20 hours 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 , 1 day ago
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At the risk of going on: A slight side issue for a foru...
By Bart , 1 day 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 , 1 day ago
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RE: Mitsubishi Ecodan FTC6 settings
The Mitsi remote thermostat should not be plugged into ...
By F1p , 2 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 , 2 days ago
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Readers here please note that Derril Water and many oth...
By Transparent , 2 days ago
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RE: Advice on Vaillant Sensocomfort
Oops, I meant Sensocomfort (the UI to the controls)
By Batpred , 2 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 , 2 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 , 2 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 , 3 days ago


