High Efficiency Hot Water Boilers

Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 110K BTU Gross Input, 99K BTU DOE Capacity, 86K BTU Net IBR Capacity. Includes Circulator.
Item#: 79466
Model#: PEA110
Brand: Triangle Tube
$5,013.00
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In-Stock
Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 170K BTU Gross Input, 157K BTU DOE Capacity, 137K BTU Net IBR Capacity. Includes Circulator.
Item#: 79526
Model#: PA175
Brand: Triangle Tube
$5,703.00
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In-Stock
Wall/Floor Mounted Condensing Boiler with Modulating Gas Valve. Ships Packaged. Low Nox. Ratings: 320K BTU Gross Input, 304K BTU DOE Capacity, 264K BTU Net IBR Capacity.
Item#: 82241
Model#: ASPN-320
Brand: Burnham
$9,227.66
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In-Stock
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.
Item#: 82242
Model#: ASPN-399
Brand: Burnham
$11,755.24
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In-Stock
Wall Mounted Condensing Boiler with Modulating Gas Valve. Ships Packaged. Low Nox. Ratings: 85K BTU Gross Input, 79K BTU DOE Capacity, 69K BTU Net IBR Capacity.
Item#: 82243
Model#: ASPN-085
Brand: Burnham
$4,030.37
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In-Stock
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.
Item#: 82244
Model#: ASPN-110
Brand: Burnham
$4,234.97
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In-Stock
Wall Mounted Condensing Boiler with Modulating Gas Valve. Ships Packaged. Low Nox. Ratings: 155K BTU Gross Input, 145K BTU DOE Capacity, 126K BTU Net IBR Capacity.
Item#: 82245
Model#: ASPN-155
Brand: Burnham
$4,961.01
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In-Stock
Wall Mounted Condensing Boiler with Modulating Gas Valve. Ships Packaged. Low Nox. Ratings: 270K BTU Gross Input, 252K BTU DOE Capacity, 219K BTU Net IBR Capacity.
Item#: 82247
Model#: ASPN-270
Brand: Burnham
$7,190.75
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In-Stock
Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 120K BTU Gross Input, 112K BTU DOE Capacity, 97K BTU Net IBR Capacity.
Item#: 94357
Model#: 383100045
Brand: Weil-McLain
$3,389.00
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In-Stock
$2,555.00
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In-Stock
$2,738.00
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In-Stock
$2,789.00
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In-Stock
Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 199K BTU Gross Input, 184K BTU DOE Capacity, 159K BTU Net IBR Capacity.
Item#: 102841
Model#: INS199S
Brand: Triangle Tube
$2,920.00
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In-Stock
Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 85K BTU Gross Input, 79K BTU DOE Capacity, 69K BTU Net IBR Capacity.
Item#: 103081
Brand: Crown Boiler Co.
$3,709.00
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Factory-Direct
Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 110K BTU Gross Input, 103K BTU DOE Capacity, 90K BTU Net IBR Capacity.
Item#: 103082
Brand: Crown Boiler Co.
$3,915.00
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Factory-Direct
Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 155K BTU Gross Input, 145K BTU DOE Capacity, 126K BTU Net IBR Capacity.
Item#: 103083
Brand: Crown Boiler Co.
$4,584.00
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Factory-Direct
Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 205K BTU Gross Input, 189K BTU DOE Capacity, 164K BTU Net IBR Capacity.
Item#: 103084
Brand: Crown Boiler Co.
$5,614.00
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Factory-Direct
Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 270K BTU Gross Input, 252K BTU DOE Capacity, 219K BTU Net IBR Capacity.
Item#: 103085
Brand: Crown Boiler Co.
$6,644.00
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Factory-Direct
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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*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 map apply, see our full shipping policy for more details.
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Only 1 In-Stock
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
$2,222.00
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In-Stock
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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Only 2 In-Stock
Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 150K BTU Gross Input, 139K BTU DOE Capacity, 121K BTU Net IBR Capacity. Includes Circulator.
Item#: 124140
Model#: 383900174
Brand: Weil-McLain
$3,974.76
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In-Stock
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.
Item#: 150651
Brand: Burnham
$5,258.00
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In-Stock
Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 500K BTU Gross Input, 485K BTU DOE Capacity, 442K BTU Net IBR Capacity. Includes Circulator.
Item#: 150655
Brand: Burnham
$16,291.67
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Only 2 In-Stock