13
Domestic Piping
11
Optional
12" Heat trap
Optional recirculation line
8
11
1
10
8
3
Cold water
inlet
4
3
3
3
6
9
2
7
2
7A
To dishwasher if
permitted by codes
Optional
12" Heat trap
8
1
3
Cold water
inlet
4
3
3
3
6
9
2
7
10
To dishwasher if
permitted by codes
Optional recirculation line
Fig. 6: MODULATING DELTA with SMART Indirect Water Heater
Fig. 5 : MODULATING DELTA with Storage Tank
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*
7/7A. Circulator (controlled by aquastat)
8. Domestic drain valve
9. Vacuum breaker*
10. Recirculation aquastat
11. Tank aquastat
* Optional devices may be required by local codes or installation requirements
