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Weil-McLain Hot Water Boilers
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Fuel Type
To create heat, some form of fuel is required. Fuel Type specifies what the product uses as an input to create heat.
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Vent Type
Products that use combustion (burning) of fuel to create heat also create potentially dangerous gasses that need to be exhausted (AKA "Vented"). Depending on the product, venting can be done via a chimney, through a side wall, or use a second vent to provide fresh air to the appliance.
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DOE Heating Capacity (BTU)
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DOE Heating Capacity (BTU)
Also referred to as Gross Output, this is the output of a boiler after accounting for combustion efficiency. We recommend sizing hot water boilers based on the DOE Heating Capacity.
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Net I=B=R Capacity (BTU)
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Net I=B=R Capacity (BTU)
I=B=R, also referred to as Net Output or AHRI Capacity, is the rated heat output of a boiler after accounting for combustion efficiency, piping loss, and an extra pickup factor. We recommend sizing steam boilers based on the I=B=R rating.
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Maximum Input Capacity (BTU)
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Maximum Input Capacity (BTU)
The Maximum Input Capacity describes how quickly the appliance will use fuel when delivering it's maximum capacity. The units may change depending on the fuel being used.
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AFUE (%)
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AFUE (%)
AFUE (Annual Fuel Utilization Efficiency) measures the efficiency of combustion equipment over the entire heating season, and is calculated by dividing the amount of energy that is actually heating your home by the total energy contained in the fuel used by the boiler/furnace.
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82 (6)
83 (8)
84 (104)
85 (10)
86 (1)
87 (1)
91 (5)
92 (2)
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Modulating/Staging
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Modulating/Staging
Stages are unique speeds or levels that equipment can operate at. More stages allow for better fine-tuned control of output, which improves comfort and efficiency. Modulating equipment can operate across a range of levels, giving the highest level of fine-tuned control.
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Modulating (45)
Single Stage (154)
Ultra Low NOx Emissions
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Ultra Low NOx Emissions
NOx is a byproduct of the combustion process, and it's output is regulated in some jurisdictions. Many regulators mirror SCAQMD rules, which regulate air quality for some parts of Southern California. Ultra Low NOx appliances emit less than 10-14 ng/J (nanogram per Joule) of NOx.
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No (137)
Yes (38)
Product Line
AquaBalance (6)
CGa (42)
CGi (57)
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EG (15)
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GV90+ (4)
LGB (20)
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Ultra (8)
UO-3 (1)
WGO (8)
WM97+ (2)
WTGO (7)
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Brand
Weil-McLain (199)
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Weil-McLain AquaBalance™ AB-120-H - 112K BTU - 95% AFUE - Hot Water Gas Boiler - Direct Vent
Model: 383100045
Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 120K BTU Gross Input, 112K BTU DOE Capacity, 97K BTU Net IBR Capacity.
11% Buy This
(13)
$1,953.00
Only 1 In-Stock
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Weil-McLain AquaBalance™ AB-155-C - 144K BTU - 95% AFUE - Combi Gas Boiler - Direct Vent
Model: 383100050
Wall Mounted, Condensing Combi Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 155K BTU Gross Input, 144K BTU DOE Capacity, 125K BTU Net IBR Capacity. Includes Circulator.
10% Buy This
(14)
$2,332.00
Only 3 In-Stock
Free Shipping & Lift Gate
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2% Check Discount
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Weil-McLain AquaBalance™ AB-80-H - 75K BTU - 95% AFUE - Hot Water Gas Boiler - Direct Vent
Model: 383100035
Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 80K BTU Gross Input, 75K BTU DOE Capacity, 65K BTU Net IBR Capacity.
7% Buy This
(13)
$1,852.00
In-Stock
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Weil-McLain CGa-4-PIDN - 85K BTU - 84.0% AFUE - Hot Water Gas Boiler - Chimney Vent
Model: 381359074
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 100k BTU Gross Input, 85k BTU DOE Capacity, 74k BTU Net IBR Capacity. Includes Circulator.
5% Buy This
(1)
$2,097.00
In-Stock
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Weil-McLain ECO® Tec 110-C - 100K BTU - 95% AFUE - Combi Gas Boiler - Direct Vent
Model: 383900150
Wall Mounted, Condensing Combi Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 110K BTU Gross Input, 100K BTU DOE Capacity, 87K BTU Net IBR Capacity. Includes Circulator.
5% Buy This
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$3,117.00
Only 4 In-Stock
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Weil-McLain ECO® Tec 199-C - 184K BTU - 95% AFUE - Combi Gas Boiler - Direct Vent
Model: 383900152
Wall Mounted, Condensing Combi Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 199K BTU Gross Input, 184K BTU DOE Capacity, 160K BTU Net IBR Capacity. Includes Circulator.
4% Buy This
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$3,795.00
Factory-Direct
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Weil-McLain AquaBalance™ AB-155-H - 144K BTU - 95% AFUE - Hot Water Gas Boiler - Direct Vent
Model: 383100055
Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 155K BTU Gross Input, 144K BTU DOE Capacity, 125K BTU Net IBR Capacity.
4% Buy This
(13)
$2,156.00
Factory-Direct
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Weil-McLain AquaBalance™ AB-80-C - 75K BTU - 95% AFUE - Combi Gas Boiler - Direct Vent
Model: 383100030
Wall Mounted, Condensing Combi Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 80K BTU Gross Input, 75K BTU DOE Capacity, 65K BTU Net IBR Capacity. Includes Circulator.
4% Buy This
(13)
$2,106.00
Only 3 In-Stock
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Weil-McLain P-WTGO-3 - 115K BTU - 85.3% AFUE - Hot Water Oil Boiler - Chimney Vent - Burner Sold Separately
Model: 386700832
Floor Mounted, Cast Iron Boiler. Ships Packaged. Ratings: 0.95 GPH Gross Input, 115K BTU DOE Capacity, 100K BTU Net IBR Capacity. Includes Circulator.
4% Buy This
(5)
$2,663.00
Factory-Direct
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2% Check Discount
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Weil-McLain CGa-6-PIDN - 141K BTU - 84.0% AFUE - Hot Water Gas Boiler - Chimney Vent
Model: 381359078
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 166k BTU Gross Input, 141k BTU DOE Capacity, 123k BTU Net IBR Capacity. Includes Circulator.
4% Buy This
(2)
$2,713.00
In-Stock
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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
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Weil-McLain CGa-5-PIDN - 113K BTU - 84.0% AFUE - Hot Water Gas Boiler - Chimney Vent
Model: 381359076
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 133k BTU Gross Input, 113k BTU DOE Capacity, 98k BTU Net IBR Capacity. Includes Circulator.
4% Buy This
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$2,359.00
In-Stock
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2% Check Discount
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Weil-McLain ECO® Tec 199-H - 184K BTU - 95% AFUE - Hot Water Gas Boiler - Direct Vent
Model: 383900156
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.
4% Buy This
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$3,593.00
In-Stock
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Weil-McLain GV90+4 - 97K BTU - 91.2% AFUE - Hot Water Gas Boiler - Direct Vent
Model: 382200611
Floor Mounted, Cast Iron Condensing Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 105K BTU Gross Input, 97K BTU DOE Capacity, 84K BTU Net IBR Capacity. Includes Circulator.
3% Buy This
(6)
$3,458.00
In-Stock
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Weil-McLain P-WGO-4 - 145K BTU - 85.0% AFUE - Hot Water Oil Boiler - Chimney Vent - Burner Sold Separately
Model: 386700829
Floor Mounted, Cast Iron Boiler. Ships Packaged. Ratings: 1.20 GPH Gross Input, 145K BTU DOE Capacity, 126K BTU Net IBR Capacity. Includes Circulator.
3% Buy This
(5)
$2,754.00
Factory-Direct
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Weil-McLain P-WGO-5 - 175K BTU - 85.0% AFUE - Hot Water Oil Boiler - Chimney Vent - Burner Sold Separately
Model: 386700830
Floor Mounted, Cast Iron Boiler. Ships Packaged. Ratings: 1.45 GPH Gross Input, 175K BTU DOE Capacity, 152K BTU Net IBR Capacity. Includes Circulator.
2% Buy This
(5)
$3,166.00
Only 1 In-Stock
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Weil-McLain Ultra 155 - 139K BTU - 94% AFUE - Hot Water Gas Boiler - Direct Vent
Model: 383500735
Floor Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 155K BTU Gross Input, 139K BTU DOE Capacity, 123K BTU Net IBR Capacity. Includes Circulator.
2% Buy This
(2)
$3,457.00
Only 4 In-Stock
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Weil-McLain Ultra 299 - 270 BTU - 92.5% AFUE - Hot Water Gas Boiler - Direct Vent
Model: 383500737
Floor Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 299K BTU Gross Input, 270K BTU DOE Capacity, 234K BTU Net IBR Capacity. Includes Circulator.
2% Buy This
(2)
$6,073.00
Only 1 In-Stock
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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.
2% Buy This
(1)
$3,744.00
In-Stock
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Weil-McLain CGi-6-PIL - 135K BTU - 84.0% AFUE - Hot Water Propane Boiler - Power Vent
Model: 381359022
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 158k BTU Gross Input, 135k BTU DOE Capacity, 117k BTU Net IBR Capacity. Includes Circulator.
2% Buy This
(1)
$3,004.00
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Weil-McLain CGi-6-PIN - 135K BTU - 84.0% AFUE - Hot Water Gas Boiler - Power Vent
Model: 381359008
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 158k BTU Gross Input, 135k BTU DOE Capacity, 117k BTU Net IBR Capacity. Includes Circulator.
2% Buy This
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$2,960.00
In-Stock
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Weil-McLain CGa-3-PIDN - 56K BTU - 84.0% AFUE - Hot Water Gas Boiler - Chimney Vent
Model: 381359072
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 67k BTU Gross Input, 56k BTU DOE Capacity, 49k BTU Net IBR Capacity. Includes Circulator.
2% Buy This
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$1,915.00
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Weil-McLain CGa-4-PIDL - 85K BTU - 84.0% AFUE - Hot Water Propane Boiler - Chimney Vent
Model: 381359088
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 100k BTU Gross Input, 85k BTU DOE Capacity, 74k BTU Net IBR Capacity. Includes Circulator.
2% Buy This
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$2,097.00
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Weil-McLain CGa-8-PIDN - 198K BTU - 84.0% AFUE - Hot Water Gas Boiler - Chimney Vent
Model: 113081460
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 233k BTU Gross Input, 198k BTU DOE Capacity, 172k BTU Net IBR Capacity. Includes Circulator.
2% Buy This
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$3,139.99
Only 1 In-Stock
Free Shipping & Lift Gate
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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
×
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.
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Weil-McLain ECO® Tec 150-H - 139K BTU - 95% AFUE - Hot Water Gas Boiler - Direct Vent
Model: 383900155
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.
2% Buy This
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$3,117.00
Only 3 In-Stock
Free Shipping & Lift Gate
×
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
×
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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