Russell,
Maybe you should try and visit your Grandmother at least once per year, and time your visits to coincide with change of season. I guess if you live too far…

Thanks Fu,
Water pressure if by gravity maybe be a bit insipid?, so will need to check a line as a trial. Agree about nylon ball valves, as a builder I…

Hi, been searching for info on controllers. For the last 20 years or so I have used the old Raindials. I have just completed a new home build on a…