Baxi Duo-tec Combi HE LPG Installation & Servicing Instructions Manual page 22

Blanking Plate
22
© Baxi Heating UK Ltd 2008
Flue Duct Adaptor
Boiler Adaptor
Air Duct Adaptor
Gasket
Restrictor
Gasket
8.0 Flue Options
For Twin Flue Systems fit the adaptors as follows:-
8.4 Flue Duct Adaptor
1. Engage the flue duct adaptor on the boiler adaptor,
making sure that it is pushed down as far as possible.
8.5 Air duct adaptor
1. Undo the screws securing the blanking plate to the boiler
top panel. Discard the plate.
2. There are three restrictor plates supplied in the kit. One
marked '23', one marked '27' an a third unmarked. The
unmarked one must be used with this boiler. Discard the
other two. Position the unmarked restrictor as shown below.
3. Take one of the gaskets supplied in the kit and place on
the boiler top panel.
4. Align the appropriate restrictor as shown. Position the
second gasket over the restrictor.
5. Using the screws previously removed secure the inlet
adaptor to the top panel.
6. Continue to fit the twin flue system.
Position of Restrictor