DV Power Vent System
Restrictor Orifice Sizes and Models
After you plan the venting
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:
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 | 1¹⁄₃₂” |
DVRT39 | 30,000 | 1¹⁄₃₂” |
DVRT43 | 33,000 | 1¹⁄₁₆” |
360DVS2 or 360DVS3 or 360DVSL or 360DVSR | 38,000 | 1¹⁄₄” |
DV580 | 38,000 | 1¹⁄₄” |
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 | 1³⁄₈” |
39XDV | 31,000 | 1¹⁄₃₂” |
6 | 10003262 |