United States (inches)
Model
A
B
C
D
BH-40
6
27
52
27
BH-60
6
35
62
35
BH-80
6
38
65
38
BH-100
6
40
70
40
BH-125
6
46
76
46
BH-150
6
50
79
50
BH-175
8
52
82
52
BH-200
8
52
82
52
United States (inches)
Model
A
B C
D
BH-40
6
9
52
44
BH-60
6
9
62
47
BH-80
6
9
69
54
BH-100
6
9
76
59
BH-125
6
9
82
65
BH-150
6
9
85
69
BH-175
8
9
88
73
BH-200 8
9
88
73
United States (inches)
Model
A
B
C
D
BH-40
6
15
52
15
BH-60
6
23
65
23
BH-80
6
25
71
25
BH-100
6
27
77
27
BH-125
6
32
83
32
BH-150
6
35
87
35
BH-175
8
40
91
40
BH-200 8
40
91
40
Canada (inches)
Model
A
B
C
D
BH-40
6
23
50
23
BH-60
6
27
53
27
BH-80
6
30
59
30
BH-100
6
33
64
33
BH-125
6
35
66
35
BH-40
6
39
71
39
BH-175
8
43
75
43
BH-200 8
43
75
43
Canada (inches)
Model
A
B
C
D
BH-40
6
9
50
35
BH-60
6
9
55
39
BH-80
6
9
61
45
BH-100
6
9
66
50
BH-125
6
9
71
55
BH-150
6
9
75
58
BH-175
8
9
80
61
BH-200 8
9
80
61
Canada (inches)
Model
A
B
C
D
BH-40
6
14
52
14
BH-60
6
20
58
20
BH-80
6
22
63
22
BH-100
6
26
67
26
BH-125
6
29
71
29
BH-150
6
33
77
33
BH-175
8
38
87
38
BH-200 8
38
87
38
Canada - Metric (cm)
Model
A
B
C
D
BH-40
15
58
127
58
BH-60
15
69
135
69
BH-80
15
76
150
76
BH-100
15
84
163
84
BH-125
15
89
168
89
BH-40
15
99
180
99
BH-175
20
109 191
109
BH-200 20
109 191
109
Canada - Metric (cm)
Model
A
B
C
D
BH-40
15
23
127
89
BH-60
15
23
135
99
BH-80
15
23
155
114
BH-100
15
23
168
127
BH-125
15
23
180
140
BH-150
15
23
191
147
BH-175
20
23
203
155
BH-200
20
23
203
155
Canada - Metric (cm)
Model
A
B
C
D
BH-40
15
36
132
36
BH-60
15
51
147
51
BH-80
15
56
160
56
BH-100
15
66
170
66
BH-125
15
74
180
74
BH-150
15
84
196
84
BH-175
20
97
221
97
BH-200 20
97
221
97
13
ROBERTS
-
GORDON
A
B
C
B
A
B
C
D
A
B
C
D
NOTE: 1. All dimensions are from the tube surface.
2. Clearances B, C and D can be reduced by 50% after 25’ (7 m) of tubing
downstream from where the burner and transition tube connect.
3. For Brooder Clearances, use United States clearances.
STANDARD REFLECTOR
ONE SIDE REFLECTOR
TWO SIDE REFLECTORS
Clearances to Combustibles
FIGURE 9.
FIGURE 10.
FIGURE 11.
