size of hw cylinder expansion pipe
- Thread starter DIYedboy
- Start date
the expansion pipe should be at least the same size as the flow and return pipe, usually 22mm, but could be 28mm, so existing flow and return pipe size will dictate your answer,
N
namsag
DIA cylinder cold feed 15mm ???
DIYBOY ,what do you mean by system
DIYBOY ,what do you mean by system
I read it as the primary side, and not the domestic side.
BB could have gravty primaries ...anything is possible.apologies there boys.................as a DIYer, it's impossible to know the technical spec's that you pro's need to correctly answer our non-technical questions (and a spelling mistake...........cage???? don't help either 
)
Yes the boiler only has 2 pipes (22mm) so I'll be slinging in a 22mm vent
)Yes the boiler only has 2 pipes (22mm) so I'll be slinging in a 22mm vent
apologies there boys.................as a DIYer, it's impossible to know the technical spec's that you pro's need to correctly answer our non-technical questions (and a spelling mistake...........cage???? don't help either
Yes the boiler only has 2 pipes (22mm) so I'll be slinging in a 22mm vent
ah nothing like coming onto a plumbing forum for advice then showing complete respect for a centuries old profession
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