• Lift the complete combustion chamber unit until the
condensate drain connection is free, then remove the
combustion chamber assembly towards the front.
• We recommended you set this unit down on a bucket.
• Remove the burner upwards.
• Release and remove the threaded rods of the combustion
chamber lid (4 no.).
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TGB-40/60 Maintenance instructions
Combustion chamber
Set the combustion chamber unit onto a bucket
Remove the burner upwards
Threaded rod
Location of combustion chamber lid threaded rods
Combustion chamber assembly