"Andy Hall" wrote in message
news
The thread had moved to finer temp control via modulation. Better choice
is
a heat bank, using a cheap simple condensing boiler and a 3-way mixing
valve
from a L&S controller for the heating off the heat bank.

You moved it to that discussion because you got out of your depth with
respect to the CM67 by trying to be clever and falling on your face.
You then proceeded o compound the issue by using your normal tactics.

Andy you are clearly bitter and twisted. You never thought of this
brilliant simple method

Actually the discussion about snakes is quite apropos. They slither
around as well.

Andy, you being a snake aficionado will know about slithering from close
quarters.