Recent content by spanner48

Depends what the rad valves are. If they're Pegler Belmonts, the name will be on an ally disc on the recessed top of the knob [though they often come off, or become illegible]. If they are, they'll be about 4mm longer in the body that modern replacement rad valves. If you've flexible...

The O-rings are standard Imperial size: BS012 - for 3/8" stem and 1/2" bore. Material is standard Nitrile rubber. So the full spec is: BS012 N70. You can get packs of 50 rings from Barnwells for £2.40 The only "special" feature of the Pegler rings is the red or green colour...