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Pellet Vent Diameter Calculator

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The shaded grey cells of the calculator below have default values
which pre-set for a standard 5' up & out or an out & 5' up installation.

You can change the default values to match your appliance and installation.
The termination elbow, screen or hood is not a factor in this calculation.

The calculator will automatically calculate whether or not you can use 3" venting.


Pellet Vent Pipe Size Calculation - 3" or 4" Vent Pipe?
Add 2.0' for each	Addition 1000' Of Elevation
Add .05' for each	1' Vertical Stove Pipe
Add 1.0' for each	1' Horizontal Stove Pipe
Add 3.0' for each	45° Vent Pipe Elbow
Add 5.0' for each	90° Vent Pipe Elbow
Add 5.0' for each	Vent Pipe Tee
Total Adjusted Required Vertical Stack Height
Maximum Adjusted 3" Vertical Stack Height Allowed
Allowed To Use 3" Vent Pipe For This Install?
Must Use 4" Vent Pipe For This Install?