hot/cold water supply to taps - manifold going to secondary manifold?

[Tom]

I plan to have continuous runs of Hep2o running from hot and cold manifolds in the plant room to all the outlets, but wonder if it would make sense, for the cold at least, to have a secondary manifold in the kitchen. The kitchen will be a good 10m away from the plant room, so should I run say a single 15mm pipe to a secondary manifold here, and then 15mm runs to taps, appliances etc, or 15mm runs continuous from the plant room to each of the planned outlets? If the latter, should this be a dedicated pipe for dishwasher, kitchen sink, utility sink, toilet cistern, hand basin etc?

Thanks all!

[Conor]

For appliances I just teed off the feed in the kitchen. For us that was dishwasher and boiling water tap. A couple tees off the main feed to the kitchen tap would be enough.

[Tom]

Thanks Conor, would certainly make sense, I guess I'll keep the 10mm individual runs to the hot outlets?

[crispy_wafer]

Was thinking about this yesterday as I was looking at my sketch and thinking about the kitchen, questioning my decision to allow one run to the kitchen, my thoughts were that it's highly unlikely that we'll be drawing water from from multiple devices concurrently. 

 

However depending on your kitchen layout it may be easier to lob another length of hep, rather than add T's and shut off valves and run it round the walls.

[Pocster]

I did a seperate hep run off 1 manifold for all outlets ; so washer , dishwasher, wc , sink , freezer etc .

Much easier to isolate - only 2place’s ( in theory ) for a leak - at appliance or at manifold . Overkill maybe - but peace of mind .