Manual

20
Boiler Piping
1. PRESTIGE Solo boiler
2. SMART water heater
3. Isolation valve
4. DHW circulator
5. CH circulator (provided)
6. Flow/check valve
7. Pressure relief valve
8. Drain/purge valve
2
1
7
5
6
6
3
3
4
Supply
System
System
Hot
Cold
Domestic
Domestic
Return
8
Fig. 8: DHW Boiler Piping with a PRESTIGE Solo and SMART
The boiler system piping shown in Fig. 8
must be a “closed” system to avoid any
oxygen contamination and potential fail-
ure of the outer tank of the Smart.
NOTICE