Irleh Plus 20 - Boiler Diagram

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20. BOILER DIAGRAM
1.
Boiler body
2. Fuel loading door
3. Boiler ashpit door
4. Boiler furnace door
5. Water outlet connecting piece
6. Recirculated water connecting piece
7. Outlet of gas connecting piece
8. Cleanout holes
9. Cast iron grate
10. Secondary air duct
11. After-burning chamber
12. Insulation
13. Bypass device
14. Bypass device lever
15.
Convection chamber
gates
16. Secondary air valve
17. Primary air valve – top
18. Blowing unit
19. Casing
20. Fuel loading chamber
21. Burner
22. Heat-resistant fittings
23. Thermometer
24. Control unit sensor
25. Connecting piece with sockets
26. Breeching
27. Cooling coil
28. Control unit