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Last seen: May 6, 2026
@rfcalan Sorry, I can't help you with your thermostat challenge! Mine uses a Hive thermostat but it's not great, just promoting on/off cycling with ...
@derek-m Thanks for your input. I'd been mulling over the best configuration option for the master and slave and wondered about reversing it to make t...
@rfcalan Welcome to the crazy world of heat pump optimisation. I've 2 x 12kW Gen6 Samsungs with same controller as you, and similar size DHW so I'll a...
Hi @lfranklin. I'll let you know next week. I'm away at the moment and it's not really been tested with both of us in the house for too long. I'm conf...
@si-fillo I was scratching my head on this very issue before I purchased mine. I've 2 x 5kWh batteries with a 5.6kW array. In the end, after crunching...
@mike-h My DHW tank is in an understairs cupboard so typically at 18 or so ambient. It loses around 0.4° per hour. I'm setting mine up to come on for...
@lfranklin Hi, not drafted it yet. Issue still ongoing and not sure what I can offer by way of learning yet. Upshot is both master and slave units are...
@lfranklin My Samsung will try to heat DHW for 60 mins. If it can't achieve set point in that time it reverts back to heating mode and the immersion a...
@lfranklin Sorry, I've been scratching my head wondering how, if your heating is off, you are getting such cycling. Doesn't sound right to me but I'd ...
@lfranklin My installer left mine with settings of 50° at 2° outside, and 42° at 15° outside. I've deliberately let them be for a while as I get to un...
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Latest Posts
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RE: Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
@jamespa The "failed boiler" problem is something th...
By Rob of York , 7 minutes ago
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There's some very useful technical points being made he...
By Transparent , 12 minutes ago
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RE: Adding data centre electricity costs to domestic energy bills?
Potentially the largest data centre hub in Europe and t...
By Jeff , 2 hours ago
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RE: Octopussy cosy 6 experience
At current oil prices I think you might be able to do a...
By JamesPa , 2 hours ago
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RE: Aerotherm and weather compensation
The principal cause of inefficiency if a heat pump is n...
By JamesPa , 15 hours ago
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RE: Solar Power Output – Let’s Compare Generation Figures
Very nice. we’ve been super soggy here, but rather m...
By Papahuhu , 15 hours ago
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RE: DIY powerflushing tutorial
Interesting! I toyed with the idea too. But I installed...
By bobflux , 19 hours ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews Agree with the others on sequence: loft first...
By mk1234 , 22 hours ago
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RE: Marvel Heating liquidation
Insolvency is brutal. I have experienced three, two as...
By JamesPa , 1 day ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@etchedpixels Agreed, just a thought for others. I am...
By Watcher , 2 days ago
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RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
Heating been on for 4 weeks now, continuous. It's 6C o...
By trebor12345 , 3 days ago
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Coming back on subject... A shortened version of the ...
By Transparent , 3 days ago
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RE: Say hello and introduce yourself
Perhaps it is time for an update on ‘our’ project. We h...
By Toodles , 3 days ago
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RE: Free app: run the immersion / heat pump from Growatt battery & solar surplus – no Home Assistant
Please bear in mind, everyone, that in order to use thi...
By Majordennisbloodnok , 5 days ago


