Hot Water Boilers

Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 119k BTU Gross Input, 102k BTU DOE Capacity, 89k BTU Net IBR Capacity. Includes Circulator.
Item#: 109139
Model#: 381359006
Brand: Weil-McLain
$3,435.00
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In-Stock
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 119k BTU Gross Input, 102k BTU DOE Capacity, 89k BTU Net IBR Capacity. Includes Circulator.
Item#: 109175
Model#: 381359020
Brand: Weil-McLain
$3,483.00
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In-Stock
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 58k BTU Gross Input, 49k BTU DOE Capacity, 43k BTU Net IBR Capacity. Includes Circulator.
Item#: 109185
Model#: 381359058
Brand: Weil-McLain
$2,886.53
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Factory-Direct
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 175K BTU Gross Input, 150K BTU DOE Capacity, 130K BTU Net IBR Capacity. Includes Circulator.
Item#: 109812
Brand: Crown Boiler Co.
$3,400.00
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Factory-Direct
Floor Mounted, Cast Iron Boiler. Ships Packaged. Ratings: 182K BTU Maximum Input Capacity, 160K BTU DOE Capacity, 139K BTU Net IBR Capacity.
Item#: 111073
Brand: ProSelect Force Boilers
$3,974.00
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In-Stock
Floor Mounted, Cast Iron Boiler. Ships Packaged. Ratings: 210K BTU Maximum Input Capacity, 182K BTU DOE Capacity, 129K BTU Net IBR Capacity. Includes Circulator and Tankless Coil
Item#: 111078
Model#: FORCEVFO4ET
Brand: ProSelect Force Boilers
$3,761.00
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In-Stock
Floor Mounted, Cast Iron Boiler. Ships Packaged. Ratings: 105K BTU Maximum Input Capacity, 92K BTU DOE Capacity, 80K BTU Net IBR Capacity. Includes Circulator
Item#: 111081
Model#: FORCEVFO3E
Brand: ProSelect Force Boilers
$3,042.00
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In-Stock
$2,916.00
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In-Stock
$3,378.00
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In-Stock
$2,387.13
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Factory-Direct
$3,487.57
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In-Stock
Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 110K BTU Gross Input, 100K BTU DOE Capacity, 87K BTU Net IBR Capacity. Includes Circulator.
Item#: 123840
Model#: 383900177
Brand: Weil-McLain
$3,389.00
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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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In-Stock
Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 80K BTU Gross Input, 74K BTU DOE Capacity, 64K BTU Net IBR Capacity. Includes Circulator.
Item#: 124141
Model#: 383900173
Brand: Weil-McLain
$3,732.39
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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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In-Stock
Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 199K BTU Gross Input, 184K BTU DOE Capacity, 160K BTU Net IBR Capacity. Includes Circulator.
Item#: 124897
Model#: 383900175
Brand: Weil-McLain
$4,487.00
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In-Stock
Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 80K BTU Gross Input, 74K BTU DOE Capacity, 64K BTU Net IBR Capacity. Includes Circulator.
Item#: 124898
Model#: 383900176
Brand: Weil-McLain
$3,326.53
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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, 160K BTU Net IBR Capacity. Includes Circulator.
Item#: 124900
Model#: 383900179
Brand: Weil-McLain
$4,300.09
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Factory-Direct
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 280K BTU Gross Input, 234K BTU DOE Capacity, 203K BTU Net IBR Capacity. Includes Taco Circulator.
Item#: 103103
Brand: Crown Boiler Co.
$4,400.00
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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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Factory-Direct
Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 84K BTU Gross Input, 75K BTU DOE Capacity, 65K BTU Net IBR Capacity.
Item#: 22950
Model#: CC 85S
Brand: Triangle Tube
$2,199.00
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In-Stock
Floor Mounted, Cast Iron Boiler. Ships Packaged. Ratings: 0.60 GPH Gross Input, 73K BTU DOE Capacity, 63K BTU Net IBR Capacity. Includes Circulator.
Item#: 24094
Brand: Crown Boiler Co.
$3,100.00
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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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*This product qualifies for Free Lift Gate Service. Items over 100lbs normally ship via semi-truck. Select this service if you need the product lowered to the ground curbside. To learn more about Lift Gate Service, read our shipping policy.
Factory-Direct
Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 101K BTU Gross Input, 89K BTU DOE Capacity, 79K BTU Net IBR Capacity. Includes Circulator.
Item#: 37393
Model#: ZBR28-3
Brand: Bosch Thermotechnology
$3,394.00
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Factory-Direct
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.
Item#: 37394
Model#: ZBR35-3
Brand: Bosch Thermotechnology
$4,117.00
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Factory-Direct
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.
Item#: 37396
Model#: ZBR42-3
Brand: Bosch Thermotechnology
$4,319.00
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Factory-Direct
Floor Mounted, Cast Iron Boiler. Ships Packaged. Ratings: 0.90 GPH Gross Input, 109K BTU DOE Capacity, 95K BTU Net IBR Capacity.
Item#: 37425
Model#: G115WS/4
Brand: Buderus
$2,536.00
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Factory-Direct
Floor Mounted, Cast Iron Boiler. Ships Packaged. Ratings: 1.10 GPH Gross Input, 136K BTU DOE Capacity, 119K BTU Net IBR Capacity.
Item#: 37440
Model#: G115WS/5
Brand: Buderus
$2,705.00
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Factory-Direct