In article , John wrote:
Are small rubber washers for 1/2 Drain Cocks likely to be
available. Had a rummage through assorted washers at local DIY
and was unsuccessful.

Strange you should ask: I've tried to obtain some in the last few
days and several outlets have been out of stock. Wickes have 3/8" tap
washers which look as if they should fit but I didn't buy any

--
Tony Bryer SDA UK 'Software to build on' http://www.sda.co.uk
Free SEDBUK boiler database browser http://www.sda.co.uk/qsedbuk.htm