Creaky pipes Daikin

[SarahH (Sarah Hanson)]

@divenal

There was a thread somewhere talking about it being better (more efficient) to heat the water in two halves

It was here (buried in post#10): Daikon Altherma 3, sub 2 DHW COP

All to do with encouraging the DHW tank convection current to get established with a short preliminary burst…