Lochinvar CP-M Series Installation, Commissioning & Maintenance Instructions page 39

FIGURE 10.7 SINGLE BOILER INSTALLATION ON A SEALED SYSTEM
1. LOCKSHIELD VALVE
2. DRAIN VALVE
3. AIR SEPARATOR
4. DIRT SEPARATOR
5. AUTOMATIC AIR VENT
6. EXPANSION VESSEL
7. TEMPORARY FILL CONNECTION (REMOVE AFTER FILLING)
8. DOUBLE CHECK VALVE
9. LOW VELOCITY HEADER
10. NON RETURN VALVE
11. PRESSURE RELIEF VALVE
12. ISOLATION VALVE
13. MANUAL AIR VENT
14. STRAINER
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