Microbore Central Heating...

["Phil Harris" <phillip.harris1@xxxxxxx>]

I was diging around under floorboards yesterday trying to find where they'd
run heating pipes and cables etc. and I came across the main "meeting
point"
for the microbore piping for our heating system.

The "junction" is a short length of straight pipe with twelve
outlets simply
bridged across the flow and return pipes from the boiler ... does anyone
know whether that short length is blocked internally and therefore the
first
six outlets are "flow"s and the second six are
"return"s? I assume they must
be as the second half of the junction takes ages to get hot whereas the
first half heats up immediately. Also if it were just straight through then
the radiators wouldn't get a flow as the hot water would simply go straight
through.

Are my assumptions correct here?

Phil


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