Bosch Condens 7000 WP - Clean the Burner; Cleaning the Heat Exchanger; Cleaning the Condensation Catch Pan

Inspection and maintenance
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Condens 7000 WP – 6721842519 (2022/03)
▶ Removing the burner gasket [3].
Fig. 35 Disassemble the gas-air mixing pipe
[1] Gas-air mixing pipe nuts
[2] Gas-air mixing pipe
[3] Burner gasket
The burner is equipped with a removal handle. The burner can be easily
removed from the heat exchanger [1] by reaching in and grasping on the
removal handle.
▶ Unscrew the screws of the burner [2].
▶ Take the burner out of the heat exchanger.
▶ Put down the burner in a vertical position.
Fig. 36 Disassembly of the burner
10.4 Clean the burner
NOTICE
Risk of damage to the burner due to improper cleaning
Contact with a hard brush or a vacuum cleaner may damage the surface
of the burner.
▶ Clean the burner only using compressed air.
▶ Clean the burner using compressed air.
10.5 Cleaning the heat exchanger
NOTICE
Risk of damage to the heat exchanger due to improper cleaning.
▶ Do not use chemical agents to clean the heat exchanger.
▶ Only use brushes with plastic bristles for cleaning.
▶ Remove loose dirt with a vacuum cleaner.
▶ Loosen any other dirt with a brush and remove it with a vacuum
cleaner.
▶ Purge the heat exchanger with water.
Fig. 37 Purging the heat exchanger
10.6 Cleaning the condensation catch pan
After cleaning the heat exchanger, always check the condensation catch
pan for contamination.
▶ Remove the cover of the condensation catch pan [1 + 2].
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