Installation / Operation Instruction Manual

8
Specifications continued-
Table 2: Water Heater Capacities
Model
Tank
Capacity
(Gal)
Coil
Volume
(Gal)
Dry
Weight
(Lbs)
Wet
Weight
(Lbs)
40-Gal.
37
2.5
170
470
50-Gal.
43
2.5
180
547
65-Gal.
57
2.5
196
695
80-Gal.
71
2.5
224
848
Table 3: AHRI Certified Water Heater Ratings
Model
First
Hour
Rating
(Gal/Hr)
Continuous
Draw
Rating
(Gal/Hr)
Standby
Heat
Loss
Rating
(°F/Hr)
Minimum
Output of
Heat
Source
(BTU/Hr)
Minimum
Heat
Source
Flow Rate
(Gal/Min)
40-Gal
110
85
1.1
58,000
8.0
50-Gal
120
85
0.9
58,000
8.0
65-Gal
135
85
0.8
58,000
8.0
80-Gal
145
85
0.6
58,000
8.0
NOTE: These certified ratings were obtained with a heat source
output and flow rate as specified in Table 3 and a 180°F boiler water
supply temperature. Other results will be obtained under different
conditions.
Table 4: Water Heater Performance
Model
Maximum
First Hour
Rating
(Gal/Hr) @
140°F 115°F
Continuous
Draw Rating
(Gal/Min) @
140°F 115°F
Approximate
Boiler Output
Needed For
Ratings
(BTU/hr)
40-Gal.
116
164
1.5
2.3
80,000
50-Gal.
123
171
1.5
2.3
80,000
65-Gal.
132
180
1.5
2.3
80,000
80-Gal.
142
190
1.5
2.3
80,000
NOTE: Based on 200°F boiler water temperature and 50°F potable
water inlet temperature.