22mm for shoewr hot water in megaflo system?

[bluesky]

i am studying unvented system now, i am studying plumbing as well, it says the outlet of hot water is 22mm, so for showers and basins hot water on first floor are they going to use 22mm all the way or just for connecting to the megaflo cylinder?

cheers

 

[AWheating]

normally 15mm connections including the bath unless its very big. Sometimes you may do the basins in 10mm too. the size of the pipe depends on the fixtures demand over the connection on the cylinder.

 

[GrahamM]

Ideally to provide a decent flow. 22mm ran as far as practical to taps/shower and then branch off to 15mm.

 

[SafeGasInstall]

same as Graham main run to bath 22 all tee to basin sshowers kitchen 15