13-03-2022, 08:28 PM
(13-03-2022, 07:01 PM)Sinewave Wrote: I think that so long as the water doesn't stand for too long, bacteria can't be built up, for example if you have a 100 litre cylinder and you use 100 litres and some over the course of days or a week, you'd be ok to reduce your temperature.
When I did my L8 course when I was a part of a buildings management team, I recall them saying it only needs to be above 55 unless it's being completely used and replenished regularly.
