Quadra-Fire 1100-I - Manual (Page 10)

Page 10
When running vertically with pellet venting, the following chart can be used to determine whether to use 3” or 4” (76mm or
100mm) diameter pipe.
The table below can help you determine the equivalent feet of pipe used for venting when installing a pellet appliance.
3” or 4” (76mm or 100mm) DIAMETER PIPE
4” (100mm) DIAMETER PIPE ONLY