thanks,
so do i need to have both? my old tank just has an overflow, am i ok with just that as long as its >19mm.. and dischanges under the back eaves in a visable area.
A
hi all
i'm going to move my cold water tank from an upstairs bedroom where it takes up a lot of space to the loft.
i'm going to buy one of these
http://www.water-tanks.net/acatalog/30_Gal___136_Litres_Water_Loft_Tanks__.html
which is supplied with a bylaw30 kit. is this the correct...