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Hi All, I need to join a 32mm waste pipe from a washbasin to a threaded connection on an old cast iron soil stack. The connection on the stack has a brass 1 1/4" male thread. The original waste pipe was stolen (I presume it was copper or lead) and all that is left is the brass threaded...

WARNING: This is a long post :!: Trying to get to the bottom of this problem in my Dad's house. It's a well established system installed for at least 25 years without modification. Boiler is sited downstairs with circulating pump, motorized valve and HW cylinder in an airing cupboard on...

First post time :D I wonder if anyone could help me to identify this valve: It is fitted to 28mm pipework just above an old Potterton Netaheat boiler. It used to leak (hence the limescale!) but hasn't done so for a while. I assume it's some kind of air release valve, but can't...