Parts List - Biasi Riva Plus Combi Installation & Operation Instructions

3.

Parts List

Primary Components
1 Pump
2. Pump vent plug
3. Automatic air purger valve
4. Modulation gas valve
5. Flame-detecting electrode
6. Ignition electrodes
7. Burner
8. Combustion chamber
9. Primary heat exchanger
10. Fan
11. Air pressure switch
12. Air switch pres. Test points
13. Safety thermostat
14. Modulation operator
15. Gas valve outlet pres. Test point
16. Gas valve inlet pres. Test point
17. Central heating expansion vessel
18. Central heating temp. Probe NTC
19. Central heating pressure relief valve
20. Primary circuit fl ow switch
21. Main circuit drain cock
10 RIVA PLUS COMBI MANUAL
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22. By-pass valve
23. Three-way diverter valve
24. Venturi device
25. Flue outlet pipe
26. Air Intake Pipe
27. Control panel
28. Safety thermostat probe
29. Pressure reducing automatic fi ll valve
30. Backfl ow preventer
31. Gas supply line cock
32. Water supply inlet cock
33. Condensate trap
34. Condensing heat exchanger
35. Flue termostat
36. D.h.w heat exchanger
37. D.h.w fl ow switch
38. Domestic water circuit fi lter
39. D.h.w fl ow limiter
40. Domestic hot water temp.probe NTC
41. Domestic cold water inlet valve
42. D.h.w. outlet pipe