central heating route

[jpread988]

hi all i am running new feeds to the rads in my extension (old)

i am running 22 hep20 to the manifold and 15mm hep20 to the rads

is there a reason that route (pic) 2 would be more efficant than route 1 and will the difference be felt and noticed as route 1 will be a thousand times eaiser to run

route 1

route 2

cheers for the help

 

[dcawkwell]

Driving 3 radiators from 15mm is the limit.
No need for any manifolds. Just take 22mm the whole way as pic 1
and branch in 15mm. The traditional way. It works.

Or you can take 22mm to the first radiator and then down to 15mm for the last 2.

 

[newbuildinstaller]

22mm manifold with 10mm legs to each rads (as long as they arnt miles away and massive rads).

Must have done 500 new builds this way. Cheaper, Easier, Faster its the future haha