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Absolute Boilers ABS 1500-2000-2500-3000-4000
3.2 Technical Data Sheet
General
Firing Sequence Operation
Minimum Fuel Input
Maximum Fuel Input
Minimum Heat Output
Maximum Heat Output
Efficiency
Combustion (Gross)
Thermal Efficiency (Net)
Standby Losses (Average)
Gas & Venting
Gas Type
Gas Inlet Connection Size
Gas Inlet Pressure Range
Flue-Gas Vent Diameter
Combustion Air Vent Diameter
Maximum Flue Gas Temperature
Condensate Drain Connection
Combustion Air Temperature
Gas Vent Category
Water
Heating Return
Heating supply
Maximum Water Temp. Safety Limit
Water Temperature Operating Range
Water Pressure Range
Boiler Water Content
Water flow @ 20 °F
Water flow @ 40 °F
Other
Installation Altitude
Dry Boiler Weight
Floor Area ( less service area )
Unit
ABS 1500
MBH[kW]
150 [43.9]
MBH[kW]
1,500 [439.6]
MBH[kW]
140 [41.03]
MBH[kW]
1,403 [411.17]
%
%
%
Type
Inch
In.w.c.
Inch
Inch
°F[°C]
Inch
°F[°C]
-
Inch
Inch
°F[°C]
°F[°C]
psig
12-160
US Gallons
12 [44]
[Litres]
gpm
142
gpm
71
Ft. [m]
lb[kg]
1150 [521.63]
Ft 2 [m 2 ]
14.5 [1.34]
16
Specifications
ABS 2000
ABS 2500
Full modulation
200 [58.6]
250 [73.2]
2,000 [586.1]
2,500 [732.6]
187 [54.8]
234 [68.5]
1,870 [548.0]
2,338 [685.2]
93.5%
93.2%
<0.3%
Natural Gas Only
2 Inch NPT (Male)
3.5" to 14" w.c.
10" ID
10" ID
230 [110 ]
1 1/4 NPT
-4 to 104 [-20 to 40]
ANSI Z21.13/CSA 4.9 Gas Vent Category II or IV
4 inch #150 ANSI Flange
4 inch #150 ANSI Flange
230[110]
68-200 [20-96]
12-160
12-160
15 [50]
16 [62]
190
237
95
119
up to 4,500 [1,370m]
1350 [612.34]
1500 [680.38]
14.5 [1.34]
19.2 [1.15]
ABS 3000
ABS 4000
300 [87.9]
400 [117.2]
3,000 [879.2]
4,000 [1172.2]
281 [82.3]
374 [109.6]
2,805 [822.0]
3,740 [1096.0]
12-160
12-160
18 [68]
26 [98]
285
380
142
190
1600 [725.74]
1900 [861.82]
19.2 [1.15]
22 [2.04]
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