Installation / Operation Instruction Manual

9
Specifications continued-
Table 2: Water Heater Capacities
MODEL
Tank
Cap. (Gal)
Coil Cap.
(Gal)
Dry
Weight
(Lbs)
Wet
Weight
(Lbs)
40-Gal.
40
1.2
90
415
52-Gal.
52
1.6
100
525
75-Gal.
75
1.6
125
745
120-Gal.
119
4.6
270
1257
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.
158
133
0.9
87,500
8.0
52-Gal.
200
165
0.7
113,000
8.0
75-Gal.
225
165
0.5
113,000
8.0
120-Gal.
360
280
0.6
195,000
11.0
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.
209
279
3.0
4.2
136,000
52-Gal.
276
369
4.0
5.5
180,000
75-Gal.
293
385
4.0
5.5
180,000
120-Gal.
517
683
7.2
10.0
325,000
NOTE: Based on 200°F boiler water temperature and 50°F
potable water inlet temperature.