"s--p--o--n--i--x" wrote in message
...
Inspected the system last night and cannot find a drain tap for the
radiators!

1. Is there a simple way to drain the system...?


Yes. I had to drain 3 rads in my house that were in loops that dropped down
from the 1st floor, but strangely hadn't been fitted with drain cocks. I
spoke to a couple of professional plumbers, but they didn't have a clue how
to drain them, apart from their usual method of removing rad with 2 blokes
with big thumbs over the inlet & outlet.

After a certain amount of head scratching I came up with the idea of using
one of those self-cutting taps, like this:
http://www.screwfix.com/app/sfd/cat/...23031&id=13768
with a hose adapter like the ones you get with a garden tap.
I just used it in the locations where I wanted to fit the drain cocks, and
after draining down I cut out the very short section of holed pipe, then
soldered in a Tee and drain cock. Worked fine, with no spillage. It's
possible to use the tap several times.

Mark