FireBird HEAT PAC 120/150, Installation Servicing & Operating Instructions, Page: 13 / 56

4
FLUE SYSTEMS
11
INSTALLATION INSTRUCTIONS
SUPPLIED WITH FLUE KITS
5” (125mm) O.D. Concentric flue Firebird S
70,000 - 90,000 and 120,000 btu’s Boilers.
6” (150mm) O.D. Concentric flue Firebird S
150,000 btu’s Boilers.
IMPORTANT:
A 50mm - (2 inch) gap
must be left between
cone cowl and wall.
Push the flue pipe through
the 125mm hole in the wall.
IMPORTANT:
A 50mm - (2inch) gap
must be left between
cone cowl and wall.
Ensure Combustion air
pipe protrudes beyond the
outer surface of the wall.
Apply high temperature sealant
to the O ring on the inner flue pipe
to ensure a positive seal.
Secure the flue adaptor
to the Boiler, ref dwg 4
and the air box to the
flue pipe ref. dwg 3.
Flue Extension
Assembly for concentric flue when
going side outlet on White cased boiler
Flue Extension For
Right Hand Outlet Combi.
Flue Extension
4-C: Concentric Flue System