Navien NP-180 Service Manual page 6

8.2.8. Manifold
8.2.9. Main Gas Valve
8.2.10. GPS
8.2.11. Condensation Trap
8.2.12. Water Adjustment Valve
8.2.13. Flow Sensor
8.2.14. Buffer Tank ("A" Series)
8.2.15. Circulation Pump ("A" Series)
8.2.16. 3-way Valve ("A" Series)
8.2.17. 2-way Valve ("NP-A" "NP" Series)
8.2.18. Bypass Mixing Valve ("Non-A" Series)
9. COMPONENTS DIAGRAM AND PART LIST
9.1. CASE DISASSEMBLE (NR/NP - A, NR/NP)
9.2. BURNER DISASSEMBLE (NR/NP - A, NR/NP)
9.3. WATER WAY DISASSEMBLE (NR-A)
9.4. WATER WAY DISASSEMBLE (NR)
9.5. WATER WAY DISASSEMBLE (NP-A)
9.6. WATER WAY DISASSEMBLE (NP)
10. INSPECTION AND MAINTENANCE SCHEDULE
10.1. ANNUAL SERVICING
10.2. INSPECTION REPORT
10.3. MAINTENANCE REPORT
©Navien America Inc. 2010
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