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Burnham Hot Water Boilers
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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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30000 - 49999 (2)
50000 - 69999 (12)
70000 - 89999 (16)
90000 - 109999 (7)
110000 - 129999 (13)
130000 - 149999 (16)
150000 - 169999 (5)
170000 - 189999 (13)
190000 - 209999 (16)
230000 - 249999 (8)
250000 - 269999 (2)
290000 - 309999 (1)
370000+ (2)
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Net I=B=R Capacity (BTU)
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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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20000 - 39999 (2)
40000 - 59999 (12)
60000 - 79999 (16)
80000 - 99999 (9)
100000 - 119999 (14)
120000 - 139999 (16)
140000 - 159999 (14)
160000 - 179999 (13)
180000 - 199999 (2)
200000 - 219999 (11)
220000 - 239999 (1)
260000 - 279999 (1)
320000 - 339999 (2)
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Maximum Input Capacity (BTU)
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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.
30000 - 59999 (2)
60000 - 89999 (15)
90000 - 119999 (11)
120000 - 149999 (14)
150000 - 179999 (20)
180000 - 209999 (7)
210000 - 239999 (11)
240000 - 269999 (12)
270000 - 299999 (12)
300000 - 329999 (1)
390000+ (2)
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AFUE (%)
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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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84 (66)
85 (20)
87 (6)
93 (1)
94 (3)
95 (14)
96 (2)
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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.
Chimney Vent (78)
Direct Vent (35)
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.
Liquid Propane (35)
Natural Gas (72)
Oil (6)
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 (19)
Single Stage (92)
Ultra Low NOx Emissions
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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 (91)
Yes (16)
Product Line
Alpine (6)
Aspen (8)
ES2 (14)
ESC (14)
K2 (3)
K2 Combi (2)
MPO-IQ (6)
Series 2 (16)
Series 3 (14)
X-2 (28)
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Burnham X-C120 - 112K BTU - 94.0% AFUE - Hot Water Gas Boiler- Direct Vent
Model: X-C120A-4L02
Wall Mounted, Condensing Boiler. Ships Packaged. Ratings: 120K BTU Gross Input, 111K BTU DOE Capacity, 97K BTU Net IBR Capacity.
45% Buy This
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$1,110.00
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Burnham K2WT-150 - 141K BTU - 95.0% AFUE - Hot Water Gas Boiler - Direct Vent
Model: K2-150
Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 150K BTU Gross Input, 141K BTU DOE Capacity, 123K BTU Net IBR Capacity. Includes Circulator.
10% Buy This
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$2,799.00
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Burnham ALP285B - 262K BTU - 95.0% AFUE - Hot Water Gas Boiler - Direct Vent
Model: ALP285BF-4T07
Floor Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 285K BTU Gross Input, 262K BTU DOE Capacity, 228K BTU Net IBR Capacity. Includes Circulator.
5% Buy This
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$6,298.00
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Burnham 304 - 88K BTU - 84.0% AFUE - Hot Water Gas Boiler - Chimney Vent
Model: 304BNI-T
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 105K BTU Gross Input, 88K BTU DOE Capacity, 77K BTU Net IBR Capacity. Includes Circulator.
5% Buy This
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$2,291.00
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Burnham MPO-IQ115 - 101K BTU - 87.0% AFUE - Hot Water Oil Boiler - Chimney Vent
Model: MPO-IQ115-TB
Floor Mounted, Cast Iron Boiler. Ships Packaged. Ratings: 0.82 GPH Gross Input, 101K BTU DOE Capacity, 88K BTU Net IBR Capacity. Includes Circulator.
5% Buy This
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$2,449.00
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Burnham MPO-IQ147 - 129K BTU - 87.0% AFUE - Hot Water Oil Boiler - Chimney Vent
Model: MPO-IQ147-TB
Floor Mounted, Cast Iron Boiler. Ships Packaged. Ratings: 1.05 GPH Gross Input, 129K BTU DOE Capacity, 112K BTU Net IBR Capacity. Includes Circulator.
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$2,599.00
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Burnham X-C100 - 92K BTU - 93.3% AFUE - Hot Water Gas Boiler - Direct Vent
Model: X-C100A-4L02
Wall Mounted, Condensing Boiler. Ships Packaged. Ratings: 100K BTU Gross Input, 92K BTU DOE Capacity, 80K BTU Net IBR Capacity.
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$1,110.00
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$2,220.00
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Burnham Series 2 - 145k BTU - 84% AFUE - Hot Water Gas Boiler - Chimney Vent
Model: 206EN-T0
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Included Taco Circulator and LWCO. Ratings: 172K BTU Gross Input, 145K BTU DOE Capacity, 126K BTU Net IBR Capacity.
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$2,693.00
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Burnham Series 2 - 87k BTU - 84% AFUE - Hot Water Gas Boiler - Chimney Vent
Model: 204EN-T0
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Included Taco Circulator and LWCO. Ratings: 103K BTU Gross Input, 87K BTU DOE Capacity, 76K BTU Net IBR Capacity.
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$2,100.00
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Burnham X-2 - 117K BTU - 84% AFUE - Hot Water Gas Boiler - Chimney Vent
Model: X-205N-GH
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Included Grundfos Circulator and LWCO. Ratings: 140K BTU Gross Input, 117K BTU DOE Capacity, 102K BTU Net IBR Capacity.
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$1,967.00
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2% Check Discount
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Burnham X-2 - 59K BTU - 84% AFUE - Hot Water Gas Boiler - Chimney Vent
Model: X-203N-TH
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Included Taco Circulator and LWCO. Ratings: 70K BTU Gross Input, 59K BTU DOE Capacity, 51K BTU Net IBR Capacity.
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$1,697.00
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Burnham K2 - 169K BTU - 95% AFUE - Combi Gas Boiler - Direct Vent
Model: K2WTC-180B-6T02
Wall Mounted Condensing Combi Boiler with Modulating Gas Valve. Ships Packaged. Domestic Hot Water Priority. Includes Taco Circulator. Low Nox. Ratings: 180K BTU Gross Input, 169K BTU DOE Capacity, 147K BTU Net IBR Capacity.
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$2,794.00
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Burnham ALP399 - 377K BTU - 94.0% Thermal Efficiency - Hot Water Gas Boiler - Direct Vent
Model: ALP399CF-4L00
Floor Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 399K BTU Gross Input, 377K BTU DOE Capacity, 328K BTU Net IBR Capacity.
(2)
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$8,499.00
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Burnham 303 - 59K BTU - 84.0% AFUE - Hot Water Gas Boiler - Chimney Vent
Model: 303BNI-T
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 70K BTU Gross Input, 59K BTU DOE Capacity, 51K BTU Net IBR Capacity. Includes Circulator.
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$2,115.00
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Burnham 303 - 59K BTU - 84.0% AFUE - Hot Water Propane Boiler - Chimney Vent
Model: 303BPI-T
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 70K BTU Gross Input, 59K BTU DOE Capacity, 51K BTU Net IBR Capacity. Includes Circulator.
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$2,115.00
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2% Check Discount
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Burnham 305 - 117K BTU - 84.0% AFUE - Hot Water Propane Boiler - Chimney Vent
Model: 305BPI-T
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 140K BTU Gross Input, 117K BTU DOE Capacity, 102K BTU Net IBR Capacity. Includes Circulator.
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$2,598.00
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Burnham 307 - 176K BTU - 84.0% AFUE - Hot Water Propane Boiler - Chimney Vent
Model: 307BPI-T
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 210K BTU Gross Input, 176K BTU DOE Capacity, 153K BTU Net IBR Capacity. Includes Circulator.
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$3,198.00
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Burnham 308 - 205K BTU - 84.0% AFUE - Hot Water Propane Boiler - Chimney Vent
Model: 308BPI-T
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 245K BTU Gross Input, 205K BTU DOE Capacity, 178K BTU Net IBR Capacity. Includes Circulator.
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$3,599.00
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Burnham 309 - 234K BTU - 84.0% AFUE - Hot Water Propane Boiler - Chimney Vent
Model: 309BPI-T
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 280K BTU Gross Input, 234K BTU DOE Capacity, 203K BTU Net IBR Capacity. Includes Circulator.
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$3,999.00
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Burnham MPO-IQ115 - 101K BTU - 87.0% AFUE - Hot Water Oil Boiler - Chimney Vent - Burner Sold Separately
Model: MPO-IQ115-TL
Floor Mounted, Cast Iron Boiler. Ships Disassembled. Ratings: 0.80 GPH Gross Input, 101K BTU DOE Capacity, 88K BTU Net IBR Capacity.
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$2,099.00
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Burnham MPO-IQ231 - 203K BTU - 87.0% AFUE - Hot Water Oil Boiler - Chimney Vent
Model: MPO-IQ231-TB
Floor Mounted, Cast Iron Boiler. Ships Packaged. Ratings: 1.65 GPH Gross Input, 203K BTU DOE Capacity, 177K BTU Net IBR Capacity. Includes Circulator.
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$3,573.00
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Burnham Aspen Light Commercial - 379K BTU - 95% AFUE - Hot Water Gas Boiler - Direct Vent
Model: ASPN-399
Wall/Floor Mounted Condensing Boiler with Modulating Gas Valve. Ships Packaged. Low Nox. Ratings: 399K BTU Gross Input, 379K BTU DOE Capacity, 330K BTU Net IBR Capacity.
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$8,769.00
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Burnham Aspen - 103K BTU - 96% AFUE - Hot Water Gas Boiler - Direct Vent
Model: ASPN-110
Wall Mounted Condensing Boiler with Modulating Gas Valve. Ships Packaged. Low Nox. Ratings: 110K BTU Gross Input, 103K BTU DOE Capacity, 90K BTU Net IBR Capacity.
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$3,153.00
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Burnham Aspen - 145K BTU - 95% AFUE - Combi Gas Boiler - Direct Vent
Model: ASPNC-155
Wall Mounted Condensing Combi Boiler with Modulating Gas Valve. Ships Packaged. Domestic Hot Water Priority. Includes Circulator. Low Nox. Ratings: 155K BTU Gross Input, 145K BTU DOE Capacity, 126K BTU Net IBR Capacity.
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$3,999.00
Factory-Direct
Free Shipping & Lift Gate
×
Free Shipping & Lift Gate
*This product qualifies for
Free Shipping
anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount
×
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
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