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6.5 Flue and Fresh Air Pipe Servicing
To facilitate servicing, use 3 neoprene couplings
when installing the plastic pipes
7.0 SERVICE AND MAINTENANCE
REGULAR MAINTENANCE
Check complete operation at least once a year. In Canada see B139, (Maintenance), in
Unites States see NFPA 31, for recommended servicing procedure. Clean flue pipes on a
regular basis. Check flue and combustion air pipes for any leak.
CHANGING NOZZLE
It is recommended that the nozzle be replaced once a year. If a new nozzle of a different size
is installed, change the blower speed according to section
BURNER INSTALLATION
AND
SPECIFICATIONS
or operating decal as required.
Flue pipe #636
2 Neoprene’s couplings for
the flue pipe
Fresh air pipe
1 Neoprene coupling for
the fresh air pipe
