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12 -
TECHNICAL DATA
12.1 Ratings and Capacity
CH Input, MBH(1)
Model
Number
Maximum
1.48 GA
164
60 GA
164
(1) 1000 Btu/hr (British Thermal Units Per Hour)
(2) Heating Capacity and AFUE (Annual Fuel Utilization Efficiency) are based on DOE (Department of Energy) test
procedures.
(3) Net AHRI Ratings based on piping and pickup allowance of 1.15. Contact Technical Support before selecting boiler
for installations having unusual piping and pickup requirements, such as intermittent system operation, extensive piping
systems, etc.
*Max CH Supply temp 176° F (80°C)
12.3 Domestic Hot Water Specifications
Item
Input Ratings (MBH)
Output Ratings
(MBH)
Domestic Water Pressure
Minimum Flow Rate
Maximum Flow Rate
Flow Rate 77°F (43°C) Temp. Rise
DHW Supply Connection Size
Cold Water Input Connection Size
*Max DHW temp 140° F (60° C)
240012485 REV C [06/30/2019]
(1)(2) CH
Heating
Capacity,
Minimum
MBH *
29.5
153
29.5
153
60 GA
Min
Max
Min
Max
2.9 psi (0.2 bar) - 116 psi (8.0 bar)
0.50 GPM
5.00 GPM
4.65 GPM
3/4"NPT
3/4"NPT
(1)(3) Net
(2)
AHRI
AFUE%
Rating Water,
MBH
133
95.0
133
95.0
29.5
205
26
180
56
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