On mine the two O rings are both the same (BS 108 I think). They are cheap as chips so replace them both. A pack of 10 can be had on the-site-which-must-not-be-named for a couple of quid.
On mine the two O rings are both the same (BS 108 I think). They are cheap as chips so replace them both. A pack of 10 can be had on the-site-which-must-not-be-named for a couple of quid.
True freedom includes the freedom to make mistakes or do foolish things and bear the consequences.
TANSTAAFL