Reznor R6GP Option - Installation - Flue Exhaust Extension - Manual (Page 3)

8. Slide the 90 degree elbow onto the start collar taking
care that the start collar is fully inserted. During this
process also ensure that fl ue support bracket has
the legs facing toward the unit. See Figure 5 for
detail.
9. Fasten the fl ue support bracket to top lip of the
unit using two self drilling screws. Take care in this
portion of the installation to ensure that the fl ue
body is properly supported so as to not put any
unintentional stress or strain on the assembly or
bracket. See Figure 6 for installation location.
10. Secure the 90 degree elbow to the start collar using
three self drilling screws spaced at 120 degree
intervals around the circumference of the elbow as
shown in Figure 7.
Figure 5. Start Collar Insertion
Figure 7. Start Collar to Flue Asslmbly
Figure 8. Support Bracket Tightening
Figure 6. Support Bracket Attachment
11. Tighten the fl ue support bracket around the fl ue
assembly with the #18 bolt, nut and lock washer (see
Figure 8). Make sure that the bracket is adequately
tight around the fl ue so there no movement. The
bracket and assembly will stiffen as the bolt is
tightened.