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240012994 Rev. B [08/31/2020]
12 - RATINGS AND CAPACITIES
12 TECHNICAL DATA
12.1 Ratings and Capacity
(1)
(2)
GCWB95W-150 125 22 113 98 95.0
GCWB95W-205 164 29.5 153 133 95.0
(1) 1000 Btu/hr (British Thermal Units Per Hour)
(2) Heating Capacity and AFUE (Annual Fuel Utilization Eciency) 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)
Item GCWB95W-150 GCWB95W-205
Input Ratings (MBH)
Min 22 29.5
Max 153 205
Output Ratings (MBH)
Min 19 26
Max 136 180
Domestic Water Pressure 2.9 psi (0.2 bar) - 116 psi (8.0 bar)
Minimum Flow Rate 0.50 GPM
Maximum Flow Rate 3.50 gpm 5.00 gpm
Flow Rate 77°F (43°C) Temp. Rise 3.25 gpm 4.65 gpm
DHW Supply Connection Size 1/2"NPT 3/4"NPT
Cold Water Input Connection Size 1/2"NPT 3/4"NPT
12.2 Domestic Hot Water Specications
*Max DHW temp 140° F (60° C)
Factory set at 120° F (40° C)
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