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Last seen: Jun 27, 2025
Having watched the video in its entirety, it's clear that the accessories box that was strapped to the pallet isn't the correct one for the 280L. The ...
Here is the link to their YouTube video showing assembly: And attached are some pictures of the BMS and balance board. A couple of issu...
My order of a Mason 280L (Vertical) with grade A 304k cells was delivered on Thursday. Just started to unpack it and it's very suprising to see: 1. ...
When people say ‘they don’t work’ , what they actually mean is ‘it costs more than gas’… which, unfortunately, in the current energy price environment...
I went for the upright seplos, mainly because they couldn’t tell me when these were coming in, and I’ve got two failing cells in my DIY pack. Need som...
My 9kW Cool Energy (SPRSUN) has been coping admirably this last week. Rads in the old part of the house, ufh in the 15m2 extension. Weather comp cur...
The grant pump isn’t pwm controlled so you could literally fit the cheapest one from toolstation and it would work without error codes.
@soniks I watch all his video's, he's a smart guy... Hopefully when he gets his f-gas certificate later this year he'll be in a position to de-gas/re-...
@soniks Szymon from Urban Plumbers by chance? He's just re-piped a badly installed Grant unit...
@chickenbig those numbers for absorption/float look sensible…
@transparent my cells are old and I could use actively cooled balance resistors as although my bms can request a reduced charge rate when balancing, i...
I’m using 210aH CALB prismatic cells but my absorption/float numbers are: 55v absorption, balance starts at 3.45v, 1.8a maximum balance current, 20 ...
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Latest Posts
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 7 hours ago
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@kilgorexv, I actually think doing your own calculation...
By Mars , 7 hours ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 21 hours ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 1 day ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Swings and Roundabouts, you win some…. ...
By Toodles , 1 day ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 2 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 2 days ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
There is scope for product development here. I for one...
By JamesPa , 2 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 2 days 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 , 5 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 , 5 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 , 6 days ago
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