Delta Performance PG PLUS-25 Installation And Maintenance Manual page 25

Domestic Piping
Fig. 9 : PERFORMANCE PLUS with Storage Tank
Fig. 10: PERFORMANCE PLUS with TR/SMART Indirect Water Heater
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
6. Thermal expansion tank
7. Circulator (controlled by aquastat)
8. Domestic drain valve
9. Vacuum breaker*
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