Potterton Promax 15 HE Installation And Servicing Instructions page 21

8.0 Installation
8.7 Fitting the Flue (Cont)
Inner Flue Support Bracket
6. Ensure the inner flue support bracket is
positioned in the flue (Fig. 28).
7. Engage the flue into the flue elbow using soap
solution to ease the engagement ensuring the
flue is assembled as shown (Fig. 29).
Fig. 28
8. Place the gasket over the flue exit on the
boiler.
9. Slide the flue assembly through the hole in the
Flue
wall.
10. Engage the elbow on to the flue connection
on top of the boiler. Secure with the four screws
supplied in the kit.
Flue Elbow
11. Make good between the wall and air duct
outside the building ensuring the 3° drop between
the terminal and elbow.
12. The flue trim should be fitted once the
installation is complete and the flue secure
(Fig. 30). Apply a suitable mastic to the inside of
the trim and press against the wall finish, making
sure the brickwork is dust free and dry.
Gasket
13. If necessary fit a terminal guard (see Section
7.11).
VERTICAL FLUEING
1. Only a flue approved with the Potterton Promax
15 HE & 24 HE can be used.
Fig. 30
Flue Trim
Fig. 29
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