Ferroli DOMIcompact F 24 B Instructions For Use, Installation And Maintenance page 18

5. Connect the flue to the boiler, positioning the seals correctly. Seal the flue into the wall with silicone or
sand & cement and cover with wall seals provided.
Flue seals should be lubricated with a silicone type grease to prevent damage (grease not sup-
plied)
The total length in equivalent metres of the
concentric flue must not exceed the maximum
lengths stated in the following table, note that
each bend gives an increase to the stated reduc-
tion. For example, a duct = 60/100 composed of
1 bend of 90° +1 horizontal metre + 2 bends of
45° + 1 horizontal metre has a total equivalent
length of 4 metres.
18
DOMIcompact F 24 B
Vertical Outlet
fig. 10c