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DV Power Vent System
6
10003262
Models Input (BTU/h) Restrictor Orifice Size
33BDVT or 33BDVR 15,000 23/32”
36BDVT or 36BDVR 18,000 29/32”
DVR33 20,000 31/32”
39BDVT or 39BDVR 22,000 31/32”
43BDVT or 43BDVR 25,000 1”
DVRT36 25,000 1”
DV360 30,000 1
¹⁄₃₂”
DVRT39 30,000 1¹⁄₃₂”
DVRT43 33,000 1
¹⁄₁₆”
360DVS2 or 360DVS3 or 360DVSL or 360DVSR 38,000 1
¹⁄₄”
DV580 38,000 1
¹⁄₄”
33LDVR or 33LDVT 16,000 29/32”
36LDVR or 36LDVT 19,500 29/32”
39LDVR or 39LDVT (NG) 23,000 31/32”
39LDVR or 39LDVT (LP) 22,500 31/32”
43LDVR or 43LDVT (NG) 26,000 1”
43LDVR or 43LDVT (LP) 24,000 1”
33XDVR 21,500 31/32”
33XDV 21,500 31/32”
36XDV 27,500 1
³⁄₈”
39XDV 31,000 1
¹⁄₃₂”
After you plan the venting lay-out and before the installation of the power vent box, check the following chart to make
sure the correct orifice is installed.
The power vent box is shipped with the 29/32” restrictor plate orifice in place, used for 36LDVT or 36LDVR models.
For all other models, replace the restrictor plate orifice with the correct size according to the following chart:
Restrictor Orifice Sizes and Models