TriangleTube Prestige Excellence Part 2 - Manual (Page 13)

Installation - Piping Diagrams
10
1. Mixing valve with check valve
2. Flow check valve
3. Shut-off valve
4. Backflow preventer or pressure reducing valve(*) 6. Thermal expansion tank
7. Circulator (controlled by aquastat)
8 Domestic drain valve
9. Vacuum Breaker *
(*) Optional devices may be required by local codes.
Optional 12" Heat trap
Optional
recirculation
8
1
N
C
M
3
Cold water
inlet 6 3
3
9
4
2 7
2 7
Domestic Piping with Optional Storage Tank
Fig. 6: