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Index
Model Designation
Capacity
Input
(GAL)
(BTU/HR)
80
180,000
80
199,999
(235,000 LP)
80
250,000
(235,000 LP)
98
199,999
98
250,000
(235,000 LP)
100
199,999
100
250,000
Model Designation
Capacity
Input
(Liters)
(kW/hr)
302.8
52.8
302.8
58.7
(68.9 LP)
302.8
73.3
(68.9 LP)
371.0
52.8
371.0
73.3
(68.9 LP)
378.5
52.8
378.5
73.3
The following notes apply to the tables accompanying Figures 1 - 4.
1. All models with flue dampers and/or above 400,000 BTU per hour
input employ a "spark" (IID) ignition system and requires 120 volt AC
electric supply.
2. * -Denotes minimum clearances to combustible material. Some
models may have different clearances. Check the label on the front of
the water heater to verify proper installation clearances.
3. Model number may have a suffix "N" for natural gas or "X", "P" or "L"
for liquefied petroleum (LP) gases. Some models may have "A" as a
suffix or prefix. Check the rating plate on front of the water heater for
model number verification.
Installation continued-
Flue Damper Models (Figure 4)
A
B
C
(in.)
(in.)
(in.)
71.88
66.25
64.38 56.00 55.13
71.88
66.25
64.38 56.00 55.13
71.88
66.25
64.38 56.00 55.13
82.88
77.25
75.38 67.00 66.13
82.88
77.25
75.38 67.00 66.13
75.50
69.88
61.88 60.38 56.88
75.50
69.88
61.88 60.38 56.88
A
B
C
(m)
(m)
(m)
1.83
1.69
1.64
1.83
1.69
1.64
1.83
1.69
1.64
2.11
1.97
1.92
2.11
1.97
1.92
1.92
1.78
1.58
1.92
1.78
1.58
D
E
Sides and
(in.)
(in.)
D
E
Sides and
(m)
(m)
1.43
1.40
1.43
1.40
1.43
1.40
1.71
1.68
1.71
1.68
1.54
1.45
1.54
1.45
13
Clearances *
Flue or
Ceiling
Rear
Vent
(in.)
(in.)
2
6
2
6
2
6
2
6
2
6
2
6
2
6
Clearances *
Flue or
Ceiling
Rear
Vent
(cm)
(cm)
5.1
15.3
5.1
15.3
5.1
15.3
5.1
15.3
5.1
15.3
5.1
15.3
5.1
15.3
(in.)
20
20
20
20
20
20
20
(cm)
50.8
50.8
50.8
50.8
50.8
50.8
50.8
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