Concentric riser vent kit installation cont – QHT Boiler User Manual
Page 8

Concentric Riser Vent Kit Installation Cont.
Intake Gasket Installation : 
Install the intake gaskets (E) on the intake 
pipes as shown in Figure 6. 
 
 
Figure 6
Figure 7
Vertical Rise Installation : 
• Install the flange gasket (F) onto the boiler 
outlet as shown in Figure 7.
• Attach the boiler collar (H) to the outlet of
the boiler using the 4 screws (G).
• Insert the vertical exhaust pipe (C) into
the boiler collar. (Be careful not to 
damage the red exhaust gasket) 
• Slide the air intake pipe (D) onto the boiler
collar so that the intake gasket (E) fits 
over the intake collar (H). 
• Install the elbow (J) onto the vertical rise
pipe.
Intake Pipe Clamp Installation : 
Install the intake pipe clamps (B) on the intake 
gaskets (E) as shown in Figure 8, using 
attachment screws (I) 
Figure 8
8
Figure 9
Termination Installation : 
• Install the wall gaskets (M) on the 
termination pipe (K). One gasket from the 
inside of the wall and one from the 
outside. 
• Install the intake gasket (E) on the
termination pipe (K)
