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Gas boilers are central heating systems that use liquid propane or natural gas to provide heating throughout a residential or commercial building. With all the top brands and styles available, you can find the perfect gas boiler today on eComfort.
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Learn More About Buderus GB162-100
Buderus GB162-100 - 298K BTU - 96.1% AFUE - Hot Water Gas Boiler - Direct Vent
Model: GB162-100
Floor Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 333K BTU Gross Input, 298K BTU DOE Capacity, 259K BTU Net IBR Capacity.
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(1)
$7,029.00
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Learn More About Weil-McLain EVG 155
Weil-McLain EVG 155 - 143K BTU - 95.1% AFUE - Hot Water Gas Boiler - Direct Vent
Model: 383900006
Floor/Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 155K BTU Gross Input, 143K BTU DOE Capacity, 124K BTU Net IBR Capacity. Includes Circulator.
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(1)
$3,579.00
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Learn More About Triangle Tube INS199C
Triangle Tube Instinct - 184K BTU - 95% AFUE - Combi Gas Boiler - Direct Vent
Model: INS199C
Wall Mounted, Condensing Combi Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 199K BTU Gross Input, 184K BTU DOE Capacity, 159K BTU Net IBR Capacity. Includes Circulator.
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(1)
$2,299.00
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Learn More About Triangle Tube PA250
Triangle Tube PA250 - 222K BTU - 95% AFUE - Hot Water Gas Boiler - Direct Vent
Model: PA250
Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 240K BTU Gross Input, 222K BTU DOE Capacity, 193K BTU Net IBR Capacity. Includes Circulator.
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$4,689.00
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Learn More About Triangle Tube INS155S
Triangle Tube Instinct - 142K BTU - 95% AFUE - Hot Water Gas Boiler - Direct Vent
Model: INS155S
Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 155K BTU Gross Input, 142K BTU DOE Capacity, 123K BTU Net IBR Capacity.
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$2,099.00
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Learn More About Crown Boiler Co. SHADW180HNZ1SU
Crown Boiler Shadow - 170k BTU - 94% AFUE - Hot Water Gas Boiler - Direct Vent - Up to 2,000 ft. Altitude
Model: SHADW180HNZ1SU
Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 180K BTU Gross Input, 170K BTU DOE Capacity, 148K BTU Net IBR Capacity.
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$1,449.00
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$2,898.00
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Learn More About Weil-McLain 118401300
Weil-McLain EG-40-W-PIDN - 104K BTU - 84.0% AFUE - Hot Water Gas Boiler - Chimney Vent
Model: 118401300
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Disassembled. Ratings: 125K BTU Gross Input, 104K BTU DOE Capacity, 91K BTU Net IBR Capacity.
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$2,702.36
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Learn More About Weil-McLain 381357802
Model 381357802 is a Recommended Product
Weil-McLain CGa-3-PIDN - 59K BTU - 84.0% AFUE - Hot Water Gas Boiler - Chimney Vent
Model: 381357802
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.
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(30)
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$1,799.00
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Learn More About Weil-McLain 381357808
Model 381357808 is a Recommended Product
Weil-McLain CGa-6-PIDN - 146K BTU - 83.2% AFUE - Hot Water Gas Boiler - Chimney Vent
Model: 381357808
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 175K BTU Gross Input, 146K BTU DOE Capacity, 127K BTU Net IBR Capacity. Includes Circulator.
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(29)
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$2,539.00
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Learn More About Weil-McLain 381357828
Model 381357828 is a Recommended Product
Weil-McLain CGa-25-PIDL - 44K BTU - 84.0% AFUE - Hot Water Propane Boiler - Chimney Vent
Model: 381357828
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 52K BTU Gross Input, 44K BTU DOE Capacity, 38K BTU Net IBR Capacity. Includes Circulator.
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(25)
$1,589.00
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Learn More About Weil-McLain 381357836
Model 381357836 is a Recommended Product
Weil-McLain CGa-6-PIDL - 146K BTU - 83.2% AFUE - Hot Water Propane Boiler - Chimney Vent
Model: 381357836
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 175K BTU Gross Input, 146K BTU DOE Capacity, 127K BTU Net IBR Capacity. Includes Circulator.
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(25)
$2,539.00
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Learn More About Weil-McLain 381357868
Model 381357868 is a Recommended Product
Weil-McLain CGi-7-PIN - 167K BTU - 83.0% AFUE - Hot Water Gas Boiler - Power Vent
Model: 381357868
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 200K BTU Gross Input, 167K BTU DOE Capacity, 145K BTU Net IBR Capacity. Includes Circulator.
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(15)
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$3,079.00
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Learn More About Weil-McLain 381357870
Model 381357870 is a Recommended Product
Weil-McLain CGi-8-PIN - 194K BTU - 82.7% AFUE - Hot Water Gas Boiler - Power Vent
Model: 381357870
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 233K BTU Gross Input, 194K BTU DOE Capacity, 169K BTU Net IBR Capacity. Includes Circulator.
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(15)
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$3,369.00
Only 1 In-Stock
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Learn More About Weil-McLain 381357912
Model 381357912 is a Recommended Product
Weil-McLain CGi-5-PIL - 100K BTU - 83.3% AFUE - Hot Water Propane Boiler - Power Vent
Model: 381357912
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 119K BTU Gross Input, 100K BTU DOE Capacity, 87K BTU Net IBR Capacity. Includes Circulator.
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(14)
Q&A (3)
$2,459.00
Only 4 In-Stock
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Learn More About Weil-McLain 381357904
Model 381357904 is a Recommended Product
Weil-McLain CGi-25-PIL - 42K BTU - 84.0% AFUE - Hot Water Propane Boiler - Power Vent
Model: 381357904
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 50K BTU Gross Input, 42K BTU DOE Capacity, 37K BTU Net IBR Capacity. Includes Circulator.
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(13)
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$1,769.00
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Learn More About Weil-McLain 381357906
Model 381357906 is a Recommended Product
Weil-McLain CGi-3-PIL - 51K BTU - 85.1% AFUE - Hot Water Propane Boiler - Power Vent
Model: 381357906
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 60K BTU Gross Input, 51K BTU DOE Capacity, 45K BTU Net IBR Capacity. Includes Circulator.
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(13)
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$1,969.00
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Learn More About Weil-McLain 381357914
Model 381357914 is a Recommended Product
Weil-McLain CGi-6-PIL - 140K BTU - 83.3% AFUE - Hot Water Propane Boiler - Power Vent
Model: 381357914
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 167K BTU Gross Input, 140K BTU DOE Capacity, 122K BTU Net IBR Capacity. Includes Circulator.
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(13)
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$2,749.00
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Learn More About Noritz NRCB180DV-NG
Noritz NRCB180 - 92K BTU - 95% AFUE - Combi Gas Boiler - Direct Vent
Model: NRCB180DV-NG
Wall Mounted, Condensing Combi Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 100K BTU Gross Input, 92K BTU DOE Capacity, 80K BTU Net IBR Capacity. Includes Circulator.
4.9 out of 54.9 out of 54.9 out of 54.9 out of 54.9 out of 5(9)
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Learn More About Weil-McLain 382200613
Weil-McLain GV90+6 - 161K BTU - 91.0% AFUE - Hot Water Gas Boiler - Direct Vent
Model: 382200613
Floor Mounted, Cast Iron Condensing Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 175K BTU Gross Input, 161K BTU DOE Capacity, 140K BTU Net IBR Capacity. Includes Circulator.
4.6 out of 54.6 out of 54.6 out of 54.6 out of 54.6 out of 5(7)
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$4,265.00
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Learn More About Bosch Thermotechnology ZWB42-3
Model ZWB42-3 is a Recommended Product
Bosch Greenstar Combi 151 - 134K BTU - 95.0% AFUE - Combi Gas Boiler - Direct Vent
Model: ZWB42-3
Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 152K BTU Gross Input, 134K BTU DOE Capacity, 117K BTU Net IBR Capacity. Includes Circulator.
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(5)
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$3,349.00
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Learn More About Burnham KIN3LPI-LE2
Model KIN3LPI-LE2 is a Recommended Product
Burnham IN3 - 38K BTU - 81.9% AFUE - Steam Propane Boiler - Chimney Vent - Trim Sold Separately
Model: KIN3LPI-LE2
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.
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(4)
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$1,865.00
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Learn More About Burnham KIN4LNI-LE2
Model KIN4LNI-LE2 is a Recommended Product
Burnham IN4 - 65K BTU - 82.0% AFUE - Steam Gas Boiler - Chimney Vent - Trim Sold Separately
Model: KIN4LNI-LE2
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.
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(4)
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$2,379.00
Only 1 In-Stock
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Learn More About Bosch Thermotechnology ZBR21-3
Bosch Greenstar 79 - ZBR21 - 71K BTU - 95.0% AFUE - Hot Water Gas Boiler - Direct Vent
Model: ZBR21-3
Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 79K BTU Gross Input, 71K BTU DOE Capacity, 62K BTU Net IBR Capacity. Includes Circulator.
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(2)
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$2,399.00
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Learn More About Bosch Thermotechnology ZBR35-3
Bosch Greenstar 131 - 117K BTU - 95.0% AFUE - Hot Water Gas Boiler - Direct Vent
Model: ZBR35-3
Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 132K BTU Gross Input, 117K BTU DOE Capacity, 103K BTU Net IBR Capacity. Includes Circulator.
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(2)
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$3,319.00
Factory-Direct
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Free Shipping & Lift Gate
Learn More About Free Freight
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 Icon
2% Check Discount
Learn More About 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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