Boiler Piping
Fig. 10: CH System Piping - Zoning with Zone Circulators
1. PRESTIGE boiler
2. CH circulator (provided)
3. Flow/check valve
4 Isolation valve
5. Zone circulator
6. Drain/purge valve
Fig. 11: CH System Piping - Zoning with Zone Valves
1. PRESTIGE boiler
2. CH circulator (provided)
3. Flow/check valve
4 Isolation valve
5. Zone valve
6. Drain/purge valve
7. Pressure relief valve
8. Air separator
9. Automatic air vent
10. Diaphragm expansion tank
11. Automatic fill valve
7. Pressure relief valve
8. Air separator
9. Automatic air vent
10. Diaphragm expansion tank
11. Automatic fill valve
12. System circulator
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