Cleaning The Heat Exchanger, Burner And Condensate Trap; Removing The Gas Valve; Removing The Burner Cover With The Fan And The Gas Valve - Worcester GB162-50 Installation And Servicing Instructions

13.2 Cleaning the heat exchanger, burner and condensate
trap
The boiler has a self-cleaning coating.
WARNING: Damage to the installation due to short
circuits.
▶ Do not spray the detergent onto the burner, the glow
ignitor, the ionisation electrode or other electrical
components.

13.2.1 Removing the gas valve

▶ Undo the gas fitting screw connection [1] and pull the 4 connectors
[2] from the gas valve.
GB162-50/65
GB162-80/100
Fig. 104 Undoing the connections to the gas fitting
6720813171 (2015/04)

13.2.2 Removing the burner cover with the fan and the gas valve

▶ Pull the mains connector [1] from the fan.
▶ Pull the connector of the harness [2] from the fan while pushing on
the connector lock to loosen it.
GB162-50/65
GB162-80/100
Fig. 105 Undoing the connections to the gas fitting
▶ Pull the air suction tube from the fan.
6720813171-3.1TD
Fig. 106 Pulling the air suction tube from the fan
Maintenance
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6720813171-4.1TD
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