On Nov 14, 6:02*pm, (A.Lee) wrote:
Screwfix sell them at around £7 but Toolstation ones are about £2.
Are the Terrier ones really *£5 better ? *
Screwfix also do some at £1.89 each.

Arguably false economy though. The cost of the valves is small in
relation to the overall job and the cheap ones will weep after a few
years. The better ones are the peglers/myson etc.