Features And Specifications - A.O. Smith ***81-140 Installation, Service, Maintenance

Lined tank type gas water heater
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FEATURES AND SPECIFICATIONS

The illustration shows a typical gas-fired commercial gas power burner, tank-type
water heater. The principal components of the heater are shown and identified
here. By referring to the plate on the heater jacket the unit may be identified in the
specifications presented in Table 1 and 2.
MODELS
A
B
***81-140
74 3/4
65
***81-199
74 3/4
65
***81-270
74 3/4
65
***81-370
74 3/4
65
TABLE 2 - MODEL ENERGY CONSUMPTION AND PERFORMANCE DATA
STORAGE
MODELS
CAPACITY
U.S. GALLONS
***81-140
***81-199
***81-270
***81-370
Model Designator: Sample ***81-140NEA
*** = Letter designator
81 = Gallon Capacity
140 = 140,000 BTU/HR imput
TABLE 1 - NOMINAL MODEL DIMENSIONS AND WEIGHTS
C
D
E
26 3/4
6
21 3/8 27 3/4
26 3/4
6
21 3/8 27 3/4
26 3/4
8
21 3/8 27 3/4
26 3/4
8
21 3/8 27 3/4
IMPUT RATING
BTU/HR.
81
140,000
81
199,000
81
270,000
81
370,000
N = Natural Gas
E = 3 Year Warranty
A = ASME Construction
G
H
J
GAS APPROX. SHIP.
38
85 1/4
1/2
38
85 1/4
1/2
38
85 1/4
3/4
38
85 1/4
3/4
RECOVERY RATE
GPH@100°F RISE
136
193
262
359
2
WT. (LBS.)
ASME STD.
658
556
1 1/2
635
545
1 1/2
632
547
1 1/2
731
634
1 1/2
MAXIMUM
RECOVERY RATE
AMPERES
GPH@140°F RISE
120V, 60Hz, 1Ø
97
138
187
256
IN
OUT
1 1/2
1 1/2
1 1/2
1 1/2
5
5
5
5

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***81-199***81-270***81-370

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