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ROUGH-IN DIMENSIONS
Model
Units
BT-80
Inches
Natural & LP
C M
BT-100
Inches
Natural & LP
CM
Input
Model
Rating
Rating
Btu/Hr
kW
BT- 80
75,100
22.0
BT -100
75,100
22.0
Recovery ratings based on 80% thermal efficiency.
FOREWORD
The design of models BT-80 and 100 comply with the current edition
of ANSI Z21.10.3-CSA 4.3 as automatic storage or automatic
circulating tank type water heaters.
Installation diagrams are found in this manual. These diagrams
will serve to provide the installer with a reference for the materials
and method of piping necessary. It is highly essential that all water
and gas piping be installed as shown on the diagrams.
In addition to these instructions, the equipment shall be installed in
A
B
C
61 1/8
58 1/2
29 11/16
155.25
148.6
75.4
68 5/8
66 1/2
30 15/16
174.3
168.9
78.59
Approx.
Approx.
Gal.
Liter
Temp. C°
Cap.
Cap.
Rise
74
280
GPH
LPH
98
371
GPH
LPH
FIGURE 1.
DIMENSIONS
D
E
F
26 1/2
15 3/16
4
14 1/2
67.3
38.6
10.2
27 3/4
15 3/16
4
15 3/4
70.5
38.6
10.2
RECOVERY RATINGS
17
22
28
33
F°
30
40
50
60
243
182
146
121
916
686
550
456
243
182
146
121
916
686
550
456
accordance with those installation regulations in force in the local
area where the installation is to be made. These shall be carefully
followed in all cases. Authorities having jurisdiction should be
consulted before installations are made.
In the absence of local codes, the installation must comply with the
current edition of the National Fuel Gas Code, ANSI Z223.1/NFPA 54
or the Natural Gas and Propane Installation Code CAN/CSA-B149.1.
These documents are available from the Canadian Standards
Association, 8501 East Pleasant Valley Road, Cleveland, OH 44131.
2
G
H
J
K
16
1 1/4
1
39.4
40.6
3.2
NPT
16
1 1/4
1 1/4
40.0
40.6
3.2
NPT
39
44
50
56
70
80
90
100
104
91
81
73
392
343
305
275
104
91
81
73
392
343
305
275
L
M
1/2
11 15/16
NPT
30.3
1/2
11 15/16
NPT
30.3
61
67
72
78
110
120
130
140
66
61
56
52
249
230
211
196
66
61
56
52
249
230
211
196
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