Submittal Sheet
Page 3
3.  For low firing rate applications with burner 
inputs up to .75 GPH only: 
a.  Insert flow restrictor pan in the inlet collar with 
the flat of the pan inward. (See Figure 5) 
b.  Push the pan as far as the pan can go. The pan 
will be approximately 5/8” from the air 
adjustment blades. (See Figure 6) 
4.  Mount VRV tee assembly or 90° elbow onto the 
Furnace Boot™ intake. Fasten using three (3) 
sheet metal screws on all joints. (See Figure 4) 
5.  Assemble VRV balance weight onto the gate. 
Screw the weight all the way in. Then attach lock 
nut and knurl nut. (See Figure 7) 
6.  Mount the VRV assembly onto the tee and fasten 
with a screw and nut in collar tabs. To ensure 
proper operation, check the gate for being level 
across the pivot points and plumb. (See Figure 8) 
7.  Refer to Figure 9 for general installation layout. 
TERMINATION LOCATION GUIDELINES 
1.  Mount intake hood 12 inches above finished 
grade. If mounting on the side of a building prone 
to drifting snow, mount 12 inches above the snow 
line. 
2.  Mount at least 12 inches from either side of the 
vent termination and on the same wall if sidewall 
venting. 
3.  Always mount with the inlet vent termination 
opening pointing down. 
Figure 8
Figure 5
Figure 6
Figure 9
Figure 7




