Last seen: Dec 11, 2025
Hopefully things have improved now the cold snap has reached its end ... ? There are many (too many) parameters to consider to improve performance, ...
@mab As it's been seconds since any graphs were posted, here are two interesting ones from over the weekend, both showing a couple of defrost periods....
@marvinator80 Who are you getting to service? Do you have a local engineer, or are you going to Grant via their "annual service plan"?
@jamespa This is what Grant recommend (insist?) on. There's no "if you fancy it" it's "this is how we want it done" for all Grant installs. Grant do...
@marvinator80 No, these are parameters beginning '46' (see the linked document in my first post). Your LLH needs to have the immersion heater element ...
@jamespa Grant describe it as a "combined low loss header and volumiser". This bit of kit comes with all standard Grant installs, and has the flow/ret...
@mab My defrost cycles are still on-going, and have been for the last 66 hours solidly, apart from that hour when the HW heating happens, when LWT sho...
@roamingbull Until yesterday evening they were what I got from the installer (WC was off, so I'm surprised these differ from the default values): 21...
I'm in a village in Cumbria, on the edge of the Lake District. Yesterday was one of those still days, with freezing fog hanging low to the ground; tod...
@mike-patrick I couldn't agree more. It might be the case that, eventually, given lots of tweaking and work by the home owner, you get decent performa...
@mab Sadly, lower temps aren't helping me at all - entered the night at -7C and left at -2C. I tried dropping target LWT yesterday (the theory being...
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