Gaggia Classic All Models: Removing, Cleaning and Replacing the Boiler

This article will show you how to tear down and do complete cleaning and rebuild of your boiler.

---

There a few reason why you would want to remove your Classic Boiler:

• Boiler froze and cracked
• Boiler gasket leaking
• Scale build up
• Solenoid valve is blocked after cleaning

This videos offer step by step guidance on how to remove and reinstall the boiler on the Classic, Classic Pro, Classic Evo Pro, and Classic E24. Learn when you need to clean a boiler and when you need to replace.

---

How To Remove, Clean and Replace the Boiler

Gaggia Classic:

1. Introduction (00:00)
2. Why Replace a Boiler? (00:20)
3. Scale in Boiler (00:50)
4. Freeze Damage (02:00)
5. O-Rings and Boiler (03:50)
6. Remove Top Cover (04:35)
7. Move Switches (06:00)
8. Required Tools (06:15)
9. Remove Steam Arm (08:35)
10. Remove Wires (09:15)
11. Remove Spring Clip (11:55)
12. Remove Steam Valve (12:30)
13. Remove Boiler Bolts (13:15)
14. Remove Boiler (15:00)
15. Remove Thermostats (16:25)
16. Clean Group Head (17:58)
17. Install Boiler (19:25)
18. Install Steam Valve (22:50)
19. Install Steam Arm (24:30)
20. Install Wires (25:48)
21. Install Switches (27:50)
22. Install Top Cover (29:00)

Gaggia Classic Pro and newer:

1. Introduction (00:00)
2. Why Replace a Boiler? (00:20)
3. Scale in Boiler (00:50)
4. Freeze Damage (02:00)
5. O-Rings and Boiler (03:50)
6. Remove Top Cover (04:35)
7. Move Switches (06:00)
8. Required Tools (06:15)
9. Remove Steam Arm (08:35)
10. Remove Wires (09:15)
11. Remove Spring Clip (11:55)
12. Remove Steam Valve (12:30)
13. Remove Boiler Bolts (13:15)
14. Remove Boiler (15:00)
15. Remove Thermostats (16:25)
16. Clean Group Head (17:58)
17. Install Boiler (19:25)
18. Install Steam Valve (22:50)
19. Install Steam Arm (24:30)
20. Install Wires (25:48)
21. Install Switches (27:50)
22. Install Top Cover (29:00)

Associated Parts for all Classics:

• Classic Boiler
• Boiler Gasket
• O ring for the Three way Solenoid valve (need 3)
• Three Way solenoid valve
• Steam Valve (come with O ring)
• Classic Pro Steam Wand