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Learn More About Crown Boiler Co. BSI172ELPZZP9Uacw-sale-badge
Crown Boiler Co. 82.1% AFUE 107k BTU Steam LP Boiler Chimney Vent
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 172K BTU Gross Input, 142K BTU DOE Capacity, 107K BTU Net IBR Capacity.
Item#: 103174
Model#: BSI172ELPZZP9U
Brand: Crown Boiler Co.
$3,657.00
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Crown Boiler Co. 82.1% AFUE 107k BTU Steam LP Boiler Chimney Vent
Learn More About Crown Boiler Co. BSI172ENPZZP7Uacw-sale-badge
Crown Boiler Co. 82.1% AFUE 107k BTU Steam NG Boiler Chimney Vent
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 172K BTU Gross Input, 142K BTU DOE Capacity, 107K BTU Net IBR Capacity.
Item#: 103175
Model#: BSI172ENPZZP7U
Brand: Crown Boiler Co.
$3,657.00
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Crown Boiler Co. 82.1% AFUE 107k BTU Steam NG Boiler Chimney Vent
Learn More About Crown Boiler Co. BSI207ENPZZP7Uacw-sale-badge
Crown Boiler Co. 82.1% AFUE 128k BTU Steam NG Boiler Chimney Vent
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 207K BTU Gross Input, 171K BTU DOE Capacity, 128K BTU Net IBR Capacity.
Item#: 103176
Model#: BSI207ENPZZP7U
Brand: Crown Boiler Co.
$4,121.00
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Crown Boiler Co. 82.1% AFUE 128k BTU Steam NG Boiler Chimney Vent
Learn More About Crown Boiler Co. BSI241ENPZZP7Uacw-sale-badge
Crown Boiler Co. 82.2% AFUE 149k BTU Steam NG Boiler Chimney Vent
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 241K BTU Gross Input, 199K BTU DOE Capacity, 149K BTU Net IBR Capacity.
Item#: 103177
Model#: BSI241ENPZZP7U
Brand: Crown Boiler Co.
$4,430.00
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Crown Boiler Co. 82.2% AFUE 149k BTU Steam NG Boiler Chimney Vent
Learn More About Crown Boiler Co. BSI276ENPZZP7Uacw-sale-badge
Crown Boiler Co. 82.2% AFUE 172k BTU Steam NG Boiler Chimney Vent
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 276K BTU Gross Input, 229K BTU DOE Capacity, 172K BTU Net IBR Capacity.
Item#: 103178
Model#: BSI276ENPZZP7U
Brand: Crown Boiler Co.
$4,739.00
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Crown Boiler Co. 82.2% AFUE 172k BTU Steam NG Boiler Chimney Vent
Learn More About Rinnai I120CNacw-sale-badge
Rinnai - 112K BTU - 95.5% AFUE - Combi Gas Boiler - Direct Vent
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Wall Mounted, Condensing Boiler with Zero Governor Gas Valve. Ships Packaged. Ratings: 120K BTU Gross Input, 112K BTU DOE Capacity, 97K BTU Net IBR Capacity. Includes Circulator.
Item#: 105101
Model#: I120CN
Brand: Rinnai
$2,902.03
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Rinnai - 112K BTU - 95.5% AFUE - Combi Gas Boiler - Direct Vent
Learn More About Rinnai I090CNacw-sale-badge
Rinnai - 84K BTU - 95.9% AFUE - Combi Gas Boiler - Direct Vent
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Wall Mounted, Condensing Boiler with Zero Governor Gas Valve. Ships Packaged. Ratings: 90K BTU Gross Input, 84K BTU DOE Capacity, 73K BTU Net IBR Capacity. Includes Circulator.
Item#: 105102
Model#: I090CN
Brand: Rinnai
$2,757.83
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Rinnai - 84K BTU - 95.9% AFUE - Combi Gas Boiler - Direct Vent
Learn More About Rinnai I090SNacw-sale-badge
Rinnai - 84K BTU - 95.9% AFUE - Hot Water Gas Boiler - Direct Vent
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Wall Mounted, Condensing Boiler with Zero Governor Gas Valve. Ships Packaged. Ratings: 90K BTU Gross Input, 84K BTU DOE Capacity, 73K BTU Net IBR Capacity. Includes Circulator.
Item#: 105104
Model#: I090SN
Brand: Rinnai
$2,201.33
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Rinnai - 84K BTU - 95.9% AFUE - Hot Water Gas Boiler - Direct Vent
Learn More About Rinnai I060CNacw-sale-badge
Rinnai - 57K BTU - 95.1% AFUE - Combi Gas Boiler - Direct Vent
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Wall Mounted, Condensing Boiler with Zero Governor Gas Valve. Ships Packaged. Ratings: 60K BTU Gross Input, 57K BTU DOE Capacity, 50K BTU Net IBR Capacity. Includes Circulator.
Item#: 105105
Model#: I060CN
Brand: Rinnai
$2,469.43
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Rinnai - 57K BTU - 95.1% AFUE - Combi Gas Boiler - Direct Vent
Learn More About Rinnai I120SNacw-sale-badge
Rinnai - 112K BTU - 95.5% AFUE - Hot Water Gas Boiler - Direct Vent
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Wall Mounted, Condensing Boiler with Zero Governor Gas Valve. Ships Packaged. Ratings: 120K BTU Gross Input, 112K BTU DOE Capacity, 97K BTU Net IBR Capacity. Includes Circulator.
Item#: 105106
Model#: I120SN
Brand: Rinnai
$2,363.03
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Rinnai - 112K BTU - 95.5% AFUE - Hot Water Gas Boiler - Direct Vent
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Rinnai - 57K BTU - 95.1% AFUE - Hot Water Gas Boiler - Direct Vent
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Wall Mounted, Condensing Boiler with Zero Governor Gas Valve. Ships Packaged. Ratings: 60K BTU Gross Input, 57K BTU DOE Capacity, 50K BTU Net IBR Capacity. Includes Circulator.
Item#: 105107
Model#: I060SN
Brand: Rinnai
$2,049.92
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Rinnai - 57K BTU - 95.1% AFUE - Hot Water Gas Boiler - Direct Vent
Learn More About Burnham SIN4LNI-LE2acw-sale-badge
Burnham IN4 - 65K BTU - 82.0% AFUE - Steam Gas 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#: 105247
Model#: SIN4LNI-LE2
Brand: Burnham
$3,071.00
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Burnham IN4 - 65K BTU - 82.0% AFUE - Steam Gas Boiler - Chimney Vent - Semi-Packaged - Trim Sold Separately
Learn More About Weil-McLain 381359102acw-sale-badge
Weil-McLain CGa-4-PIDN - 85K BTU - 84.0% AFUE - Hot Water Gas Boiler - Chimney Vent - High Altitude Version (4500 - 7000 ft)
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Item#: 108210
Model#: 381359102
Brand: Weil-McLain
$2,793.79
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Weil-McLain CGa-4-PIDN - 85K BTU - 84.0% AFUE - Hot Water Gas Boiler - Chimney Vent - High Altitude Version (4500 - 7000 ft)
Learn More About Weil-McLain 381359072acw-sale-badge
Weil-McLain CGa-3-PIDN - 59K BTU - 84.0% AFUE - Hot Water Gas Boiler - Chimney Vent
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Item#: 109079
Model#: 381359072
Brand: Weil-McLain
$2,503.00
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Weil-McLain CGa-3-PIDN - 59K BTU - 84.0% AFUE - Hot Water Gas Boiler - Chimney Vent
Learn More About Weil-McLain 381359098acw-sale-badge
Weil-McLain CGa-25-PIDN - 44K BTU - 84.0% AFUE - Hot Water Gas Boiler - Chimney Vent - High Altitude Version (4500 - 7000 ft)
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Item#: 109089
Model#: 381359098
Brand: Weil-McLain
$2,285.89
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Weil-McLain CGa-25-PIDN - 44K BTU - 84.0% AFUE - Hot Water Gas Boiler - Chimney Vent - High Altitude Version (4500 - 7000 ft)
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Weil-McLain CGa-25-PIDN - 44K BTU - 84.0% AFUE - Hot Water Gas Boiler - Chimney Vent - High Altitude Version (7000 - 10000 ft)
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Item#: 109090
Model#: 381359099
Brand: Weil-McLain
$2,285.89
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Weil-McLain CGa-25-PIDN - 44K BTU - 84.0% AFUE - Hot Water Gas Boiler - Chimney Vent - High Altitude Version (7000 - 10000 ft)
Learn More About Weil-McLain 381359100acw-sale-badge
Weil-McLain CGa-3-PIDN - 59K BTU - 84.0% AFUE - Hot Water Gas Boiler - Chimney Vent - High Altitude Version (4500 - 7000 ft)
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Item#: 109091
Model#: 381359100
Brand: Weil-McLain
$2,552.93
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Weil-McLain CGa-3-PIDN - 59K BTU - 84.0% AFUE - Hot Water Gas Boiler - Chimney Vent - High Altitude Version (4500 - 7000 ft)
Learn More About Weil-McLain 381359101acw-sale-badge
Weil-McLain CGa-3-PIDN - 59K BTU - 84.0% AFUE - Hot Water Gas Boiler - Chimney Vent - High Altitude Version (7000 - 10000 ft)
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Item#: 109092
Model#: 381359101
Brand: Weil-McLain
$2,552.93
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Weil-McLain CGa-3-PIDN - 59K BTU - 84.0% AFUE - Hot Water Gas Boiler - Chimney Vent - High Altitude Version (7000 - 10000 ft)
Learn More About Weil-McLain 381359103acw-sale-badge
Weil-McLain CGa-4-PIDN - 88K BTU - 84.0% AFUE - Hot Water Gas Boiler - Chimney Vent - High Altitude Version (7000 - 10000 ft)
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Item#: 109093
Model#: 381359103
Brand: Weil-McLain
$2,793.79
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Only 1 In-Stock
Weil-McLain CGa-4-PIDN - 88K BTU - 84.0% AFUE - Hot Water Gas Boiler - Chimney Vent - High Altitude Version (7000 - 10000 ft)
Learn More About Weil-McLain 381359104acw-sale-badge
Weil-McLain CGa-5-PIDN - 117K BTU - 83.5% AFUE - Hot Water Gas Boiler - Chimney Vent - High Altitude Version (4500 - 7000 ft)
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Item#: 109094
Model#: 381359104
Brand: Weil-McLain
$3,144.60
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Weil-McLain CGa-5-PIDN - 117K BTU - 83.5% AFUE - Hot Water Gas Boiler - Chimney Vent - High Altitude Version (4500 - 7000 ft)
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Weil-McLain CGa-5-PIDN - 117K BTU - 83.5% AFUE - Hot Water Gas Boiler - Chimney Vent - High Altitude Version (7000 - 10000 ft)
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Item#: 109095
Model#: 381359105
Brand: Weil-McLain
$3,144.60
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Weil-McLain CGa-5-PIDN - 117K BTU - 83.5% AFUE - Hot Water Gas Boiler - Chimney Vent - High Altitude Version (7000 - 10000 ft)
Learn More About Weil-McLain 381359106acw-sale-badge
Weil-McLain CGa-6-PIDN - 146K BTU - 83.2% AFUE - Hot Water Gas Boiler - Chimney Vent - High Altitude Version (4500 - 7000 ft)
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Item#: 109096
Model#: 381359106
Brand: Weil-McLain
$3,616.00
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Weil-McLain CGa-6-PIDN - 146K BTU - 83.2% AFUE - Hot Water Gas Boiler - Chimney Vent - High Altitude Version (4500 - 7000 ft)
Learn More About Weil-McLain 381359107acw-sale-badge
Weil-McLain CGa-6-PIDN - 146K BTU - 83.2% AFUE - Hot Water Gas Boiler - Chimney Vent - High Altitude Version (7000 - 10000 ft)
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Item#: 109097
Model#: 381359107
Brand: Weil-McLain
$3,615.09
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Weil-McLain CGa-6-PIDN - 146K BTU - 83.2% AFUE - Hot Water Gas Boiler - Chimney Vent - High Altitude Version (7000 - 10000 ft)
Learn More About Weil-McLain 381359109acw-sale-badge
Weil-McLain CGa-7-PIDN - 175K BTU - 83.0% AFUE - Hot Water Gas Boiler - Chimney Vent - High Altitude Version (7000 - 10000 ft)
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Item#: 109099
Model#: 381359109
Brand: Weil-McLain
$4,019.01
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Weil-McLain CGa-7-PIDN - 175K BTU - 83.0% AFUE - Hot Water Gas Boiler - Chimney Vent - High Altitude Version (7000 - 10000 ft)
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.