Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering you’ll be able to ask questions, join discussions, follow topics you’re interested in, bookmark useful threads and receive notifications when someone replies. Non-registered members also do not have access to our AI features. When choosing your username, please note that it cannot be changed later, so we recommend avoiding brand or product names. Before registering, please take a moment to read the Forum Rules & Terms of Use so we can keep the community helpful, respectful and informative for everyone. Thanks for joining!
Last seen: May 8, 2026
@chickenbig Neat install ! I've now seen a construction vid from Seplos of the 280L. They don't directly show the base while filling it with cel...
Cycling is pretty much always going to happen during mild weather. Heatpumps tend to only modulate down to 30% or so of their peak capability - and t...
The spec of the one I have is 100mOhms, and I can read on it the cap values it uses - they are 3x 6.3V 2200uF per channel. The total charge transferr...
I bought a Seplos Mason 280L kit. The instructions were not that great - I ended up "inventing" a couple of details that were not in the instructions...
@transparent Piccy as requested, a pic of a few cells showing active balancer attached with fuses. The fuses are actually 3.75A 75V self resetting...
This vid (off grid garage) talks about cell compression versus life. In a nutshell: you cannot stop cells expanding a mm or so when full- 300kg (3kN...
I did made a heat meter - I used the tsic716 sensor (tho the one you point at is a lot cheaper, and similar accuracy, which is great). I connected tw...
@Iancalderbank Your heatpump is likely to have a flow-return temperature of around 5degrees. So under most dhw circumstances, the tank will have be...
It's often the case that people crank up the thermostat as it gets colder outside. I think the most significant reason for this is that the external ...
That brown plastic box is our fibre to the home inlet box. It just seemed a bit neater to stick it in the old gas box. The gas used to go off to th...
We had our gas meter taken out by Octopus a few months ago. It’s a plastic pipe rising up, capped off with a metal cap. The bit ringed in red is the...
We heat our 10yr old solar tank with a gshp. It used to just heat the top coil with up to 55C flow, getting the water tank to ‘maybe’ 43C. In the No...
- 26 Forums
- 2,643 Topics
- 61.7 K Posts
- 454 Online
- 7,043 Members
Join Us!
Latest Posts
-
Mentally you have to separate the ac side and the DC si...
By JamesPa , 9 hours ago
-
RE: Help me keep the faith with my air source heat pump installation
My heating developed a really severe case of noise and ...
By JamesPa , 11 hours ago
-
RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
@l2jad I was just thinking all things being equal. Our ...
By AndrewJ , 18 hours ago
-
RE: Heat Pump Manufacturers Recommending Buffer Tanks
Hopefully the ambient temperature sensor drives a weath...
By JamesPa , 1 day ago
-
RE: How many people are happy with their ASHP and do you believe them?
Im looking into these and my figures. The think that I...
By JamesPa , 1 day ago
-
Hi, Does anybody have experience with Heat Geek insta...
By sttpd1917 , 1 day ago
-
RE: Heat Pump Operation in Summer - Valliant 7kW
Yes - we use our Mitsi 14kW unit for cooling. I have j...
By downfield , 2 days ago
-
I will soon be struggling. Admittedly it is the summer,...
By Batpred , 2 days ago
-
RE: Indevolt Batteries UK Support & Info Thread
Not known yet. I've asked a local Councillor to follo...
By Transparent , 2 days ago
-
Hard to tell but I think I have placed the arrow on wha...
By ASHP-BOBBA , 3 days ago
-
RE: Who do I complain to about a poor ECO4 installation, can anyone advise?
Great. My guess is that you will need to re-adjust yo...
By JamesPa , 3 days ago
-
RE: UK warm homes plan - how can it be delivered?
I know it is not as simple as going from a fossil fuel ...
By Batpred , 3 days ago
-
@editor this is great news.
By ASHP-BOBBA , 4 days ago
-
RE: Daikin Altherma 3 with Fan Coils in Puglia (Italy)… Sanity Check on System Operation
AH (Absolute humidity) is grams of moisture per volume ...
By bobflux , 4 days ago



