Working out how to take the water main through the ceiling, been testing some dry-fitted pipes:
Wrong:
Better:
"Wrong" seemed like a good idea - until I tried it...
Why so far forward? Well:
(Above same pipe)
It has to come forward of the under roof insulation and also miss the cable tray. I plan to form a 51 degree (roof pitch) bend and drop it down from the top. It will be soldered from the kitchen below...
I can probably pull it back a little towards the wall - maybe 30mm but no more...