13
1. boiler casing (body) 8. ash box door 15. temperature regulator (controller) 22. smoke conduit cleaning hole
2. insulation 9. ash drawer 16. blowing fan 23. return water connector pipe
3. water jacket 10. water grates 17. hot water connector pipe 24. furnace chamber cleaning hole
4. furnace chamber 11. cast iron grates (movable) 18. temperature sensor pipe 25. blowdown connection
5. fuel load door 12. movable grates lever 19. furnace gas chamber cover 26. smoke throtlle
6. furnace door 13. air distribution system 20. furnace gas chamber flap 27. thermometer installation connector pipe
7. glow prevention grid 14. safety valve installation connector pipe 21. smoke conduit
BOILER CONSTRUCTION SCHEME OF SAS MI TYPE