anyone fitted these. where can you buy them and how much.
scale reducer and yes it looks interesting.
I have installed a few now(one in my house). I live and work in a hard water area but I am not to worry about scale. keep the hx below 60 degrees and bobs your uncle and if it ever did scale up would be a pieces of p**s to de scale.
less is more as they say... about the only combi to fully condense in DHW mode. so it would be double A rated if that title existed.
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