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
1
¹⁄₃₂
”
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