Burnham Residential Boilers

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Wall Mounted Condensing Boiler with Modulating Gas Valve. Ships Packaged. Low Nox. Ratings: 205K BTU Gross Input, 189K BTU DOE Capacity, 164K BTU Net IBR Capacity.
$5,878.00
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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.
$3,282.00
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 140K BTU Gross Input, 119K BTU DOE Capacity, 103K BTU Net IBR Capacity. Includes Circulator.
$4,003.00
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 175K BTU Gross Input, 149K BTU DOE Capacity, 130K BTU Net IBR Capacity. Includes Circulator.
$4,558.00
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 210K BTU Gross Input, 178K BTU DOE Capacity, 155K BTU Net IBR Capacity. Includes Circulator.
$5,101.00
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Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 80K BTU Gross Input, 72K BTU DOE Capacity, 63K BTU Net IBR Capacity. Includes Circulator.
$4,266.00
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Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 105K BTU Gross Input, 96K BTU DOE Capacity, 83K BTU Net IBR Capacity. Includes Circulator.
$4,687.00
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Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 150K BTU Gross Input, 136K BTU DOE Capacity, 118K BTU Net IBR Capacity. Includes Circulator.
$5,385.00
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Included Grundfos Circulator and LWCO. Ratings: 138K BTU Gross Input, 116K BTU DOE Capacity, 101K BTU Net IBR Capacity.
$3,436.00
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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.
$3,934.00
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Included Taco Circulator and LWCO. Ratings: 207K BTU Gross Input, 174K BTU DOE Capacity, 151K BTU Net IBR Capacity.
$4,423.00
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Included Grundfos Circulator and LWCO. Ratings: 241K BTU Gross Input, 202K BTU DOE Capacity, 176K BTU Net IBR Capacity.
$4,824.00
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Included Taco Circulator and LWCO. Ratings: 241K BTU Gross Input, 202K BTU DOE Capacity, 176K BTU Net IBR Capacity.
$4,824.00
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Included Grundfos Circulator and LWCO. Ratings: 276K BTU Gross Input, 232K BTU DOE Capacity, 202K BTU Net IBR Capacity.
$5,395.00
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Included Taco Circulator and LWCO. Ratings: 276K BTU Gross Input, 232K BTU DOE Capacity, 202K BTU Net IBR Capacity.
$5,395.00
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Included Taco Circulator and LWCO. Ratings: 38K BTU Gross Input, 32K BTU DOE Capacity, 28K BTU Net IBR Capacity.
$2,560.00
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Included Grundfos Circulator and LWCO. Ratings: 69K BTU Gross Input, 58K BTU DOE Capacity, 50K BTU Net IBR Capacity.
$2,853.00
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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.
$3,061.00
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Wall 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.
$8,255.00
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Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 105K BTU Gross Input, 96K BTU DOE Capacity, 83K BTU Net IBR Capacity. Includes Circulator.
$4,687.00
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Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 399K BTU Gross Input, 375K BTU DOE Capacity, 326K BTU Net IBR Capacity. Includes Circulator.
$11,944.00
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Floor Mounted, Cast Iron Boiler with Step-opening Gas Valve. Ships Packaged. Ratings: 200K BTU Gross Input, 165K BTU DOE Capacity, 124K BTU Net IBR Capacity.
$5,974.00
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Floor Mounted, Cast Iron Boiler with Step-opening Gas Valve. Ships Packaged. Ratings: 100K BTU Gross Input, 82K BTU DOE Capacity, 62K BTU Net IBR Capacity.
$4,391.00
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Included Taco Circulator and LWCO. Ratings: 140K BTU Gross Input, 117K BTU DOE Capacity, 102K BTU Net IBR Capacity.
$2,881.00
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Displaying Products 73 - 96 (of 110)
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About Burnham Boilers
Burnham residential boilers are known for their superior efficiency, user-friendly controls, and wide breadth of condensing models. We offer natural gas, liquid propane, and dual fuel Burnham models in heating capacities up to 150K BTUs.
How Does a Condensing Boiler Work?
Condensing boilers use a secondary heat exchanger to collect heat from exhaust gases and repurpose it to preheat incoming water. Learn more in our condensing boiler buyer's guide.