Domestic Piping - Delta Performance PG-25 Installation And Maintenance Manual

Domestic Piping

Fig. 7: PERFORMANCE With
Recirculation
7
1
Fig. 8: Multiple Units Installation With Recirculation
1. Mixing valve with check valve
2. Flow check valve
3. Shut off valve
4. Backflow preventer or pressure reducing valve*
* Optional devices may be required by local Codes
Optional recirculation
2
7
To dishwasher if
permitted by codes
2 3
U-Tube
assembly
3
3
*
1
12" Heat trap
3
8
12" Heat trap
3
6
8
6. Thermal expansion tank
7. Circulator (controlled by aquastat)
8. Domestic drain valve
9. Vacuum breaker*
18
Cold water
9 3
4 inlet
6
Note: All shut off valves
shown in this figure must be
closed when siphon draining
the PERFORMANCE
Cold water
3
4 inlet
9