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Indirect Water Heater (10)
Panel (17)
DOE Heating Capacity (BTU)
×
DOE Heating Capacity (BTU)
Also referred to as Gross Output, this is the output of a boiler after accounting for combustion efficiency. We recommend sizing hot water boilers based on the DOE Heating Capacity.
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Enter DOE Heating Capacity (BTU) Range Minimum Value
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Enter DOE Heating Capacity (BTU) Range Maximum Value
80000 - 89999 (1)
100000 - 109999 (1)
130000 - 139999 (2)
170000 - 179999 (1)
Net I=B=R Capacity (BTU)
×
Net I=B=R Capacity (BTU)
I=B=R, also referred to as Net Output or AHRI Capacity, is the rated heat output of a boiler after accounting for combustion efficiency, piping loss, and an extra pickup factor. We recommend sizing steam boilers based on the I=B=R rating.
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Enter Net I=B=R Capacity (BTU) Range Minimum Value
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Enter Net I=B=R Capacity (BTU) Range Maximum Value
70000 - 79999 (1)
90000 - 99999 (1)
110000 - 119999 (2)
140000 - 149999 (1)
Heating BTU
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2000 - 2799 (1)
2800 - 3599 (3)
3600 - 4399 (2)
4400 - 5199 (1)
5200 - 5999 (1)
6000 - 6799 (4)
6800 - 7599 (2)
8400 - 9199 (1)
10000 - 10799 (1)
11600 - 12399 (1)
Maximum Input Capacity (BTU)
×
Maximum Input Capacity (BTU)
The Maximum Input Capacity describes how quickly the appliance will use fuel when delivering it's maximum capacity. The units may change depending on the fuel being used.
-
100000 - 109999 (1)
150000 - 159999 (1)
190000 - 199999 (1)
AFUE (%)
×
AFUE (%)
AFUE (Annual Fuel Utilization Efficiency) measures the efficiency of combustion equipment over the entire heating season, and is calculated by dividing the amount of energy that is actually heating your home by the total energy contained in the fuel used by the boiler/furnace.
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86 (2)
87 (3)
Vent Type
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Vent Type
Products that use combustion (burning) of fuel to create heat also create potentially dangerous gasses that need to be exhausted (AKA "Vented"). Depending on the product, venting can be done via a chimney, through a side wall, or use a second vent to provide fresh air to the appliance.
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Chimney or Direct Vent (3)
Chimney Vent (5)
Fuel Type
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Fuel Type
To create heat, some form of fuel is required. Fuel Type specifies what the product uses as an input to create heat.
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Indirect Fired (10)
Oil (5)
Product Line
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G115WS (4)
G215 (4)
LT (3)
Model 21 (8)
Model 22 (9)
S (1)
SST (4)
SU (2)
Product Status
Available (35)
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Buderus G115WS/3 - 85K BTU - 87.0% AFUE - Hot Water Oil Boiler - Chimney or Direct Vent - Burner Sold Separately
Model: G115WS/3
4%
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(5)
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$2,326.00
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Buderus G115WS/4 - 109K BTU - 87.0% AFUE - Hot Water Oil Boiler - Chimney or Direct Vent - Burner Sold Separately
Model: G115WS/4
(5)
Q&A
(1)
2% Check Discount
$2,663.00
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Buderus G115WS/5 - 136K BTU - 87.0% AFUE - Hot Water Oil Boiler - Chimney or Direct Vent - Burner Sold Separately
Model: G115WS/5
(5)
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2% Check Discount
$2,912.00
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Buderus Model 22 - 6,291 BTU - Hot Water Panel Radiator - 12" H x 59" W x 4" D
Model: 7750100615
(5)
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$600.00
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Buderus Model 22 - 7,022 BTU - Hot Water Panel Radiator - 20" H x 48" W x 4" D
Model: 7750102612
9%
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(5)
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$506.00
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Buderus Model 22 - 10,533 BTU - Hot Water Panel Radiator - 20" H x 71" W x 4" D
Model: 7750102618
(5)
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$630.00
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Buderus Model 21 - 2,756 BTU - Hot Water Panel Radiator - 12" H x 36" W x 2.5" D
Model: 7750100309
2%
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(5)
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$391.00
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Buderus G215/4 - 171K BTU - 86.2% AFUE - Hot Water Oil Boiler - Chimney Vent - Burner Sold Separately
Model: G215/4
(2)
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2% Check Discount
$3,641.00
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Buderus Model 22 - 6,104 BTU - Hot Water Panel Radiator - 24" H x 36" W x 4" D
Model: 7750103609
2%
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(6)
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$507.00
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Buderus Model 22 - 8,777 BTU - Hot Water Panel Radiator - 20" H x 59" W x 4" D
Model: 7750102615
2%
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(4)
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$563.00
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Buderus Model 22 - 7,078 BTU - Hot Water Panel Radiator - 12" H x 71" W x 4" D
Model: 7750100618
(4)
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$522.00
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Buderus Model 22 - 3,511 BTU - Hot Water Panel Radiator - 20" H x 24" W x 4" D
Model: 7750102606
15%
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$384.00
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Buderus Model 22 - 4,069 BTU - Hot Water Panel Radiator - 24" H x 24" W x 4" D
Model: 7750103606
(4)
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$433.00
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Buderus Model 22 - 12,208 BTU - Hot Water Panel Radiator - 24" H x 71" W x 4" D
Model: 7750103618
(4)
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$731.00
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Buderus Model 21 - 5,427 BTU - Hot Water Panel Radiator - 20" H x 48" W x 2.5" D
Model: 7750102312
7%
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$486.00
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Buderus Model 21 - 1,838 BTU - Hot Water Panel Radiator - 12" H x 24" W x 2.5" D
Model: 7750100306
2%
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(3)
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$338.00
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Buderus Model 21 - 4,594 BTU - Hot Water Panel Radiator - 12" H x 59" W x 2.5" D
Model: 7750100315
(3)
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$491.00
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Buderus Model 21 - 4,070 BTU - Hot Waer Panel Radiator - 20" H x 36" W x 2.5" D
Model: 7750102309
13%
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(3)
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$427.00
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Buderus Model 21 - 6,784 BTU - Hot Water Panel Radiator - 20" H x 59" W x 2.5" D
Model: 7750102315
2%
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$547.00
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Buderus Model 21 - 3,138 BTU - Hot Water Panel Radiator - 24" H x 24" W x 2.5" D
Model: 7750103306
(3)
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$411.00
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Buderus Model 21 - 6,275 BTU - Hot Water Panel Radiator - 24" H x 48" W x 2.5" D
Model: 7750103312
4%
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$551.00
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Buderus Oil Burner Kit for G115WS/3 - Carlin EZ-1 - 0.76 GPH - Chimney Vent
Model: 7738004844
(2)
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2% Check Discount
$1,520.00
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Buderus Oil Burner Kit for G215/3 - Beckett AFG - 1.1 GPH - Chimney Vent
Model: 7738004859
(2)
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2% Check Discount
$1,518.00
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Buderus Oil Burner Kit for G215/4 - Beckett AFG - 1.4 GPH - Chimney Vent
Model: 7738004860
(2)
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2% Check Discount
$1,518.00
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