hi

here's the PIPE diagram as promised

to from to top of to bottom of
pump ceiling cylinder cylinder
1| 2| 3| 4| 5|
| | | | |
| - - | |
| | | connect| |
| -----------------[| |
| | | | | |
| | | | | |
------- | | ********** |
| shower|| | * cylinder *|
| pump || | * *|
------- | | * *|
| | | | -----* *|
| | | | | ********** |
| | | | | | | |
| | | | | | ---
| | | | | ---------------[to wall]
| | | | | | |
| | | | | | -------------
| | | | | | |
| | | | | [joint]----- |
| | | | | | | |
| | | | | [boiler] [pump] |
| | | | | | | |
| | | | | | | |
| | | | | | |--[valve]
| | | | ------ | |
| | | | | |
| | | | | @
| | | | |
| | | | |
[ --- FLOOR --- ]

hope that comes ok and makes sense to someone!


thanks
Kiichi