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Figure 4: Side view of correct burner insertion into combustion chamber
4) Push the burner flange gasket (included with the burner) on to the burner
mounting plate threaded studs. Seat the gasket against the mounting plate.
5) Using fasteners supplied in the parts bag with each furnace, three (3) 5/16 in.
brass hex nuts and three (3) steel flat washers, install and secure the burner to
the mounting studs on the burner mounting plate, refer to Figure 5. (For
counterflow / horizontal units, refer to the next section “Horizontal / Counterflow
Furnace Setup”)
Figure 5: Installing and Securing the Oil Burner to the Furnace Mounting Plate
17
NOTICE: For the Riello 40-F3 burner only, an insulating annulet (included with
the burner) must be installed over the end of the burner air tube. The annulet fills