On Tue, 01 Dec 2020 10:39:35 +0000, Dave Liquorice wrote:

On Tue, 1 Dec 2020 10:30:18 +0000, Andy Bennet wrote:

Water Heater Top 3.0kW Water Temp 50C Water Heater Bottom 3.0kW
Only for Boost

I would swop over your top and bottom heaters, you only want to heat
the top for boost.

Yep amd 50 C isn't really hot enough, doesn't relaibly kill legionella.


Its worked ok for 20 years.