DIYbanter - View Single Post

IMM typed:

Bear in mind the shower waste goes through it, so the shape needs
snip
You can make your own using two large bore copper pipes. One inside
the other. The mains water is in the gap between the two.

FFS how many showers do you people have a day.
Has anyone given the slightest thought to how efficient this will be, and
the likely rise in temperature achievable.
Even I cant be bothered to build one of these.

--
Mark