On Sep 3, 10:53*am, "David WE Roberts" wrote:
Any benefit in running a 22mm 'backbone' with 15mm spurs to endpoints?

Theoretically this seems to give a higher overall capacity but I don't know
if this is necessary for normal use for basins, toilets. etc.

Cheers

Dave R

--
No plan survives contact with the enemy.
[Not even bunny]

Helmuth von Moltke the Elder

(\__/)
(='.'=)
(")_(")


Depends on your water pressure/incoming water main capacity.
Usually a complete waste of money.