0 clearances and dimensions (cont’d), Dimensions (cont’d) – Reznor UDBS Unit Installation Manual User Manual
Page 10

Form I-UDB, P/N 202658 R14, Page 10
FIGURE 6 - Model UDBS, Separated Combustion Fan Model
Model UDBS Dimensions (inches ± 1/16)
Size
A
B
C
D
E*
F
G
H**
J
K**
L
M
N
P
Q
R
S
T
30, 45
26-5/8 12-1/8 13-13/16 10 16-3/8 36-1/8 21-9/16 17-3/8 11/16 22-1/2 6-1/2 9-3/16 5-3/16 2-11/16 2-7/8 3-7/8 6-1/2 31
60
26-5/8 15-1/8 13-13/16 13 17-7/8 36-1/8 21-9/16 17-3/8 11/16 22-1/2 6-1/2 11-7/8 7-7/8
5-1/2
2-7/8 3-7/8 6-1/2 31
75
26-5/8 15-1/8 13-13/16 13 17-7/8 36-1/8 21-9/16 17-3/8 11/16 22-1/2 5-1/2 11-7/8 7-7/8
5-1/2
2-7/8 3-7/8 6-1/2 31
100
26-5/8 23-1/8 13-13/16 21 23-1/4 43-5/8 21-9/16 17-3/8 11/16 22-1/2 8-1/2 18-1/2 14-1/2 8-3/4
2-7/8 3-7/8 6-7/16 31
125
26-5/8 23-1/8 13-13/16 21 23-1/4 43-5/8 21-9/16 17-3/8 11/16 22-1/2 7-1/2 18-1/2 14-1/2 8-3/4
2-7/8 3-7/8 6-7/16 31
150, 175
38-1/8 20-1/8
23
16 30-9/16 60-1/8 35-3/8 25-5/8 1-5/16 24-1/2 3-7/8 13-1/2 8-1/2 5-7/16 4-1/4 6-1/2 8-1/4 42
200
38-1/8 20-1/8
23
16 30-9/16 60-1/8 35-3/8 25-5/8 1-5/16 24-1/2 3-7/8 14-9/16 9-9/16 5-7/16 4-5/16 6-1/2 8-5/16 42
225, 250
38-1/8 26-1/8
23
22 39-5/8 63-7/16 35-3/8 25-5/8 1-5/16 24-1/2 5-7/8 18-1/16 13-1/16
9
4-5/16 6-1/2 8-5/16 42
300, 350, 400
40-7/8 34-1/8
23
30 42-5/8 63-7/16 35-3/8 27-5/8 1-5/16 23-1/2 3-7/8 22-1/16 17-1/16 11-13/16 4-1/2 7-1/4 8-1/2 42
Model UDBS Dimensions (mm ± 2)
Size
A
B
C
D
E*
F
G
H**
J
K**
L
M
N
P
Q
R
S
T
30, 45
676
511
351
254 416
918
548
441
17
572 165
233
132
68
73
98
165 787
60
676
384
351
330 454
918
548
441
17
572 165
302
200
140
73
98
165 787
75
676
384
351
330 454
918
548
441
17
572 140
302
200
140
73
98
165 787
100
676
587
351
533 591
1108
548
441
17
572 216
470
368
222
73
98
164 787
125
676
587
351
533 594
1108
548
441
17
572 191
470
368
222
73
98
164 787
150, 175
968
511
584
406 776
1527
899
651
33
622
98
343
216
138
108 165 210 1067
200
968
511
584
406 776
1527
899
651
33
622
98
370
243
138
110 165 211 1067
225, 250
968
664
584
559 1006
1611
899
651
33
622 149
459
332
229
110 165 211 1067
300, 350, 400
1038 867
584
762 1083
1611
899
702
33
597
98
560
433
300
114 184 216 1067
4.0 Clearances and Dimensions (cont’d)
4.2. Dimensions (cont’d)
C
A
D
B
E*
H**
J
K**
L
G
FRONT
VIEW
®
Hanger
Bar
F
Belt Drive Blower
with Blower Back
on the Cabinet
- Sizes 150-400
Thermostat Connection
(30-45 horizontal;
60-400 vertical)
M
N
P
Q
R
S
1/2 NPT External
Gas Connection
Combustion Air Collar (see
Technical Data for size)
Vent Connection (For size,
see Technical Data, page 42.)
REAR
VIEW
Direct Drive
Blower with
Blower Back
on the Cabinet
- Sizes 100-125
Direct Drive
Blower attached to
the Cabinet
- Sizes 30-75
RIGHT SIDE VIEW
(Access Panel)
T (Hanger Bar Length)
2-1/2
(63.5)
1-1/4
(32)
TOP VIEW
Four suspension
points in
Hanger Bars
(H x K)
NOTES: *Sizes 150-400 - Dimension E varies with motor selection and belt adjustment.
**Dimensions H and K are the heater suspension points.