1. boiler casing (body)
8. glow-securing grate
14. air draft regulator
20. return water connector pipe
2. insulation
9. ash box door
15. swirl vanes
21. blowdown connection
3. water jacket
10. air intake dosage flap
16. hot water connector pipe 22. thermometer
4. furnace chamber
11. water grates 17. smoke conduit
5. washout door
12. cast iron grates (movable)
18. smoke conduit cleaning hole
6. fuel load door 13. mobile-grates lever
19. smoke throttle
7. furnace door
BOILER CONSTRUCTION SCHEME OF SAS UWG ( 17-29 kW)
Summary of Contents for UWG
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