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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
50000 - 69999 (3)
70000 - 89999 (8)
90000 - 109999 (3)
110000 - 129999 (7)
130000 - 149999 (5)
150000 - 169999 (1)
170000 - 189999 (5)
190000 - 209999 (4)
230000 - 249999 (3)
250000 - 269999 (2)
290000 - 309999 (1)
370000+ (2)
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.
-
Enter Net I=B=R Capacity (BTU) Range Minimum Value
To
Enter Net I=B=R Capacity (BTU) Range Maximum Value
30000 - 49999 (2)
50000 - 69999 (6)
70000 - 89999 (8)
90000 - 109999 (8)
110000 - 129999 (2)
130000 - 149999 (4)
150000 - 169999 (4)
170000 - 189999 (4)
190000 - 209999 (1)
210000 - 229999 (2)
250000 - 269999 (1)
310000 - 329999 (1)
330000+ (1)
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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.
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60000 - 79999 (3)
80000 - 99999 (1)
100000 - 119999 (7)
120000 - 139999 (1)
140000 - 159999 (5)
160000 - 179999 (4)
200000 - 219999 (6)
240000 - 259999 (2)
260000 - 279999 (1)
280000 - 299999 (4)
320000 - 339999 (1)
380000 - 399999 (2)
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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81 (2)
82 (15)
84 (9)
85 (1)
86 (1)
87 (6)
95 (7)
96 (2)
Vent Type
×
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 Vent (34)
Direct Vent (10)
Medium
×
Medium
Medium refers to the substance that carries heat through the heating system. Systems are either designed to use either Hot Water or Steam as a medium, and components are usually specific to one or the other.
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Hot Water (32)
Steam (18)
Fuel Type
×
Fuel Type
To create heat, some form of fuel is required. Fuel Type specifies what the product uses as an input to create heat.
+
Indirect Fired (6)
Liquid Propane (6)
Natural Gas (31)
Oil (7)
Modulating/Staging
×
Modulating/Staging
Stages are unique speeds or levels that equipment can operate at. More stages allow for better fine-tuned control of output, which improves comfort and efficiency. Modulating equipment can operate across a range of levels, giving the highest level of fine-tuned control.
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+
Modulating (10)
Staging (34)
Ultra Low NOx Emissions
×
Ultra Low NOx Emissions
NOx is a byproduct of the combustion process, and it's output is regulated in some jurisdictions. Many regulators mirror SCAQMD rules, which regulate air quality for some parts of Southern California. Ultra Low NOx appliances emit less than 10-14 ng/J (nanogram per Joule) of NOx.
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No (27)
Yes (10)
Product Status
Available (57)
Discontinued (2)
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Burnham Aspen - 79K BTU - 96% AFUE - Hot Water Gas Boiler - Direct Vent
Model: ASPN-085A-6L00M
(1)
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2% Check Discount
$4,030.37
Free Freight
Free Lift Gate
Only 1 In-Stock
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Burnham Aspen - 103K BTU - 96% AFUE - Hot Water Gas Boiler - Direct Vent
Model: ASPN-110A-6L00M
(1)
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2% Check Discount
$4,234.97
Free Freight
Free Lift Gate
Only 4 In-Stock
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Burnham Aspen - 145K BTU - 95% AFUE - Hot Water Gas Boiler - Direct Vent
Model: ASPN-155A-6L00M
(1)
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2% Check Discount
$4,961.01
Free Freight
Free Lift Gate
In-Stock
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Burnham Aspen - 189K BTU - 95% AFUE - Hot Water Gas Boiler - Direct Vent
Model: ASPN-205A-6L00M
(1)
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2% Check Discount
$6,042.84
Free Freight
Free Lift Gate
Only 1 In-Stock
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Burnham Aspen - 252K BTU - 95% AFUE - Hot Water Gas Boiler - Direct Vent
Model: ASPN-270A-6L00M
(1)
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2% Check Discount
$7,190.75
Free Freight
Free Lift Gate
In-Stock
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Burnham AL119CLT - 119 Gallon - Indirect Water Heater
Model: AL119CLT
(1)
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2% Check Discount
$3,513.00
Free Freight
Free Lift Gate
Factory-Direct!
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Burnham AL55LT - 55 Gallon - Indirect Water Heater
Model: AL55LT
(1)
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2% Check Discount
$1,533.00
Free Freight
Free Lift Gate
Factory-Direct!
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Burnham Series 2 - 87k BTU - 84% AFUE - Hot Water Gas Boiler - Chimney Vent
Model: 204EN-G0
(1)
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2% Check Discount
$3,024.00
Free Freight
Free Lift Gate
Only 5 In-Stock
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Burnham Series 2 - 116k BTU - 84% AFUE - Hot Water Gas Boiler - Chimney Vent
Model: 205EN-T0
(1)
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2% Check Discount
$3,278.00
Free Freight
Free Lift Gate
Factory-Direct!
View Details
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