Hi,
I am getting an electric shower. I have calculated that a 9.5KW shower should be able to deliver a 30 degree delta T at a flow rate of 4.5L/ min.
I could go for a 10.5KW unit, but this is roughly double the price
I have no real benchmark to compare against - how much of an advantage would an extra KW be do people think?
Cheers,
Ben