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Learn More About Buderus G215/4acw-sale-badge
Buderus 171K 86.2% Hot Water Oil Boiler Chimney Vent For G215/4
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Floor Mounted, Cast Iron Boiler. Ships Disassembled. Ratings: 1.40 GPH Gross Input, 171K BTU DOE Capacity, 149K BTU Net IBR Capacity.
Item#: 37466
Model#: G215/4
Brand: Buderus
$2,776.00
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Buderus 171K 86.2% Hot Water Oil Boiler Chimney Vent For G215/4
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Buderus 256K 86.0% Hot Water Oil Boiler Chimney Vent For G215/6
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Floor Mounted, Cast Iron Boiler. Ships Disassembled. Ratings: 2.10 GPH Gross Input, 256K BTU DOE Capacity, 223K BTU Net IBR Capacity.
Item#: 37480
Model#: G215/6
Brand: Buderus
$4,101.00
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Buderus 256K 86.0% Hot Water Oil Boiler Chimney Vent For G215/6
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Buderus 294K 86.7% Hot Water Oil Boiler Chimney Vent For G215/7
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Floor Mounted, Cast Iron Boiler. Ships Disassembled. Ratings: 2.50 GPH Gross Input, 294K BTU DOE Capacity, 256K BTU Net IBR Capacity.
Item#: 37485
Model#: G215/7
Brand: Buderus
$5,087.00
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Buderus 294K 86.7% Hot Water Oil Boiler Chimney Vent For G215/7
Learn More About Buderus GB162-80acw-sale-badge
Buderus 260K 93.8% Hot Water Gas Boiler Direct Vent For GB162-80
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Floor Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 290K BTU Gross Input, 260K BTU DOE Capacity, 226K BTU Net IBR Capacity.
Item#: 37565
Model#: GB162-80
Brand: Buderus
$6,834.00
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Buderus 260K 93.8% Hot Water Gas Boiler Direct Vent For GB162-80
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Buderus 298K 96.1% Hot Water Gas Boiler Direct Vent For GB162-100
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Floor Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 333K BTU Gross Input, 298K BTU DOE Capacity, 259K BTU Net IBR Capacity.
Item#: 37567
Model#: GB162-100
Brand: Buderus
$8,565.00
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Buderus 298K 96.1% Hot Water Gas Boiler Direct Vent For GB162-100
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Buderus 298K 96.1% Hot Water Gas Boiler Direct Vent For GB162-100LB
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Floor Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 333K BTU Gross Input, 298K BTU DOE Capacity, 259K BTU Net IBR Capacity.
Item#: 37568
Model#: GB162-100LB
Brand: Buderus
$8,565.00
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Buderus 298K 96.1% Hot Water Gas Boiler Direct Vent For GB162-100LB
Learn More About Buderus 7738503409acw-sale-badge
Buderus 112K BTU 85.0% AFUE Hot Water Gas Boiler Chimney Vent GC144/5
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 133K BTU Gross Input, 112K BTU DOE Capacity, 97K BTU Net IBR Capacity. Includes Circulator.
Item#: 37571
Model#: 7738503409
Brand: Buderus
$3,569.00
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Buderus 112K BTU 85.0% AFUE Hot Water Gas Boiler Chimney Vent GC144/5
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Buderus 62K BTU 85.0% AFUE Hot Water Gas Boiler Chimney Vent GC144/3
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 74K BTU Gross Input, 62K BTU DOE Capacity, 54K BTU Net IBR Capacity. Includes Circulator.
Item#: 37572
Model#: 7738503407
Brand: Buderus
$2,901.00
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Buderus 62K BTU 85.0% AFUE Hot Water Gas Boiler Chimney Vent GC144/3
Learn More About Burnham KIN3LPI-LE2acw-sale-badge
Burnham IN3 - 38K BTU - 81.9% AFUE - Steam Propane Boiler - Chimney Vent - Trim Sold Separately
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Disassembled. Ratings: 62K BTU Gross Input, 51K BTU DOE Capacity, 38K BTU Net IBR Capacity.
Item#: 37663
Model#: KIN3LPI-LE2
Brand: Burnham
$2,549.00
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Burnham IN3 - 38K BTU - 81.9% AFUE - Steam Propane Boiler - Chimney Vent - Trim Sold Separately
Learn More About Burnham KIN4LNI-LE2acw-sale-badge
Burnham IN4 - 65K BTU - 82.0% AFUE - Steam Gas Boiler - Chimney Vent - Trim Sold Separately
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Disassembled. Ratings: 105K BTU Gross Input, 87K BTU DOE Capacity, 65K BTU Net IBR Capacity.
Item#: 37667
Model#: KIN4LNI-LE2
Brand: Burnham
$3,223.81
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Burnham IN4 - 65K BTU - 82.0% AFUE - Steam Gas Boiler - Chimney Vent - Trim Sold Separately
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Burnham IN5 - 86K BTU - 82.0% AFUE - Steam Gas Boiler - Chimney Vent - Trim Sold Separately
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Disassembled. Ratings: 140K BTU Gross Input, 115K BTU DOE Capacity, 86K BTU Net IBR Capacity.
Item#: 37669
Model#: KIN5LNI-LE2
Brand: Burnham
$3,808.28
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Burnham IN5 - 86K BTU - 82.0% AFUE - Steam Gas Boiler - Chimney Vent - Trim Sold Separately
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Burnham IN6 - 108K BTU - 82.1% AFUE - Steam Gas Boiler - Chimney Vent - Trim Sold Separately
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Disassembled. Ratings: 175K BTU Gross Input, 144K BTU DOE Capacity, 108K BTU Net IBR Capacity.
Item#: 37671
Model#: KIN6LNI-LE2
Brand: Burnham
$4,383.54
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Burnham IN6 - 108K BTU - 82.1% AFUE - Steam Gas Boiler - Chimney Vent - Trim Sold Separately
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Burnham IN7 - 130K BTU - 82.1% AFUE - Steam Gas Boiler - Chimney Vent - Trim Sold Separately
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Disassembled. Ratings: 210K BTU Gross Input, 173K BTU DOE Capacity, 130K BTU Net IBR Capacity.
Item#: 37673
Model#: KIN7LNI-LE2
Brand: Burnham
$4,905.21
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Burnham IN7 - 130K BTU - 82.1% AFUE - Steam Gas Boiler - Chimney Vent - Trim Sold Separately
Learn More About Burnham ES24BNI-Tacw-sale-badge
Burnham ES24 89K BTU 85.0% AFUE Hot Water NG Boiler Chimney Vent
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 105K BTU Gross Input, 89K BTU DOE Capacity, 77K BTU Net IBR Capacity. Includes Circulator.
Item#: 37772
Model#: ES24BNI-T
Brand: Burnham
$3,582.76
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Burnham ES24 89K BTU 85.0% AFUE Hot Water NG Boiler Chimney Vent
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Burnham ES25 119K BTU 85.0% AFUE Hot Water NG Boiler Chimney Vent
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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.
Item#: 37774
Model#: ES25BNI-T
Brand: Burnham
$4,010.18
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Burnham ES25 119K BTU 85.0% AFUE Hot Water NG Boiler Chimney Vent
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Burnham ES26 149K BTU 85.0% AFUE Hot Water NG Boiler Chimney Vent
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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.
Item#: 37776
Model#: ES26BNI-T
Brand: Burnham
$4,578.64
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Burnham ES26 149K BTU 85.0% AFUE Hot Water NG Boiler Chimney Vent
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Burnham ES27 178K BTU 85.0% AFUE Hot Water NG Boiler Chimney Vent
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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.
Item#: 37778
Model#: ES27BNI-T
Brand: Burnham
$5,130.76
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Burnham ES27 178K BTU 85.0% AFUE Hot Water NG Boiler Chimney Vent
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Burnham ES28 208K BTU 84.0% AFUE Hot Water NG Boiler Chimney Vent
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 245K BTU Gross Input, 208K BTU DOE Capacity, 181K BTU Net IBR Capacity. Includes Circulator.
Item#: 37780
Model#: ES28BNI-T
Brand: Burnham
$5,605.48
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Burnham ES28 208K BTU 84.0% AFUE Hot Water NG Boiler Chimney Vent
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Burnham ES29 208K BTU 84.0% AFUE Hot Water NG Boiler Chimney Vent
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 280K BTU Gross Input, 208K BTU DOE Capacity, 207K BTU Net IBR Capacity. Includes Circulator.
Item#: 37782
Model#: ES29BNI-T
Brand: Burnham
$6,264.24
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Burnham ES29 208K BTU 84.0% AFUE Hot Water NG Boiler Chimney Vent
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Burnham ES23 59K BTU 85.0% AFUE Hot Water NG Boiler Chimney Vent
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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.
Item#: 37784
Model#: ES23BNI-T
Brand: Burnham
$3,269.72
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Burnham ES23 59K BTU 85.0% AFUE Hot Water NG Boiler Chimney Vent
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Burnham IN4 - 65K BTU - 82.0% AFUE - Steam Propane Boiler - Chimney Vent - Semi-Packaged - Trim Sold Separately
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Disassembled. Ratings: 105K BTU Gross Input, 87K BTU DOE Capacity, 65K BTU Net IBR Capacity.
Item#: 37815
Model#: SIN4LPI-LE2
Brand: Burnham
$5,620.00
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Burnham IN4 - 65K BTU - 82.0% AFUE - Steam Propane Boiler - Chimney Vent - Semi-Packaged - Trim Sold Separately
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Burnham IN4 - 65K BTU - 82.0% AFUE - Steam Gas Boiler - Chimney Vent - Packaged with Trim
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 105K BTU Gross Input, 87K BTU DOE Capacity, 65K BTU Net IBR Capacity.
Item#: 37816
Model#: PIN4SNI-ME2
Brand: Burnham
$3,794.00
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Burnham IN4 - 65K BTU - 82.0% AFUE - Steam Gas Boiler - Chimney Vent - Packaged with Trim
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Burnham IN5 - 86K BTU - 82.0% AFUE - Steam Propane Boiler - Chimney Vent - Semi-Packaged - Trim Sold Separately
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Disassembled. Ratings: 140K BTU Gross Input, 115K BTU DOE Capacity, 86K BTU Net IBR Capacity.
Item#: 37817
Model#: SIN5LPI-LE2
Brand: Burnham
$3,627.00
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Burnham IN5 - 86K BTU - 82.0% AFUE - Steam Propane Boiler - Chimney Vent - Semi-Packaged - Trim Sold Separately
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Burnham IN5 - 86K BTU - 82.0% AFUE - Steam Gas Boiler - Chimney Vent - Packaged with Trim
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 140K BTU Gross Input, 115K BTU DOE Capacity, 86K BTU Net IBR Capacity.
Item#: 37818
Model#: PIN5SNI-ME2
Brand: Burnham
$4,569.44
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Burnham IN5 - 86K BTU - 82.0% AFUE - Steam Gas Boiler - Chimney Vent - Packaged with Trim
Tools & Articles
How to Pick a Residential Boiler
How to Pick a Residential Boiler
Home Boiler System Overview

Boilers at ACWholesalers


A boiler is a central heating system that uses hot water or steam, which is transported through a piping system and to radiators, to heat a home.

One advantage of choosing a residential boiler system is the even distribution of heat. Hot water and steam transfer heat more effectively than air by keeping the heat closer to the ground. Another advantage is efficiency. Boilers require less energy to heat a home than forced-air systems because hot water and steam hold heat longer than air.

Residential boilers also provide flexibility by allowing for zoning different areas of the home. This way, each zone can be kept at its own temperature, maximizing comfort and reducing energy costs for areas where additional heat isn't needed.

Choosing a Residential Boiler System


Medium
A boiler can transfer heat using hot water or steam as its medium. These mediums are not interchangeable, so it is important to know what the existing pipe system is designed for.

Fuel Type
A residential boiler system is made to use one of the following as its fuel source: natural gas, liquid propane, oil, or electricity.

Vent Type
There are three venting options for a residential boiler; direct vent, chimney vent, and power vent. Each type has a different method of removing gasses and is chosen based on the home's construction and desired efficiency of the new system.

Net I=B=R Capacity (BTU) or DOE Heating Capacity (BTU)
Steam boilers are often sized based on their Net I=B=R capacity. This BTU amount factors in piping loss, combustion efficiency, and an extra pickup factor. DOE (Department of Energy) heating capacity also factors in combustion efficiency and is commonly used to size hot water boilers.

AFUE (%)
A boiler's AFUE (Annual Fuel Utilization Efficiency) percentage describes its efficiency. The higher the percentage, the less energy is wasted and the more efficient the model is.