DV Power Vent System
Installing the DV Power Vent System
1-Changing the Restrictor Orifice Plate:
Before installation of the power vent box (RECOMMENDED):
A.From the inlet side, remove the two 3/8” nuts holding the orifice plate.
B.Remove the orifice plate.
C.Install the correct restrictor orifice plate according to the chart above.
D.Place back the two nuts to hold the restrictor orifice plate and tighten.
Outlet
(To vent termination)
Inlet 
(From fireplace)
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