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Weil-McLain has been producing durable, American-made boilers for over a century. Their lineup of boilers spans a massive range of capacities and efficiencies with gas-fired and oil-fired options. Shop now for Weil-McLain.
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Learn More About Weil-McLain 118354300
Weil-McLain EG-35-S-PIDN - 62K BTU - 82.9% AFUE - Steam Gas Boiler - Chimney Vent
Model: 118354300
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Disassembled. Ratings: 100K BTU Gross Input, 83K BTU DOE Capacity, 62K BTU Net IBR Capacity.
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On Sale Ends 03/31
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Learn More About Weil-McLain 119404325
Weil-McLain PEG-40-S-PIDN - 78K BTU - 82.9% AFUE - Steam Gas Boiler - Chimney Vent
Model: 119404325
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 125K BTU Gross Input, 104K BTU DOE Capacity, 78K BTU Net IBR Capacity.
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Learn More About Weil-McLain 383500398
Weil-McLain 4" - Sidewall Vent Termination Kit - PVC
Model: 383500398
Weil-McLain - 4" - Sidewall Vent Termination Kit - PVC - For Weil-McLain EVG 220, EVG 299, and EVG 399 Hot Water Boilers - MPN: 383500398
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Learn More About Weil-McLain 386700432
Weil-McLain Oil Burner for GO-4 - EZ-1 - 1.2 GPH - Chimney Vent
Model: 386700432
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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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Learn More About Weil-McLain 381357832
Model 381357832 is a Recommended Product
Weil-McLain CGa-4-PIDL - 88K BTU - 84.0% AFUE - Hot Water Propane Boiler - Chimney Vent
Model: 381357832
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 105K BTU Gross Input, 88K BTU DOE Capacity, 77K 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(27)
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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)
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Learn More About Weil-McLain 381357838
Model 381357838 is a Recommended Product
Weil-McLain CGa-7-PIDL - 175K BTU - 83.0% AFUE - Hot Water Propane Boiler - Chimney Vent
Model: 381357838
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 210K BTU Gross Input, 175K BTU DOE Capacity, 152K 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)
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Learn More About Weil-McLain 381357864
Model 381357864 is a Recommended Product
Weil-McLain CGi-5-PIN - 100K BTU - 83.3% AFUE - Hot Water Gas Boiler - Power Vent
Model: 381357864
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.
4.9 out of 54.9 out of 54.9 out of 54.9 out of 54.9 out of 5(17)
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Learn More About Weil-McLain 113081388
Model 113081388 is a Recommended Product
Weil-McLain CGa-8-PIDN - 204K BTU - 82.7% AFUE - Hot Water Gas Boiler - Chimney Vent
Model: 113081388
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 245K BTU Gross Input, 204K BTU DOE Capacity, 177K 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(16)
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Learn More About Weil-McLain 381357856
Model 381357856 is a Recommended Product
Weil-McLain CGi-25-PIN - 42K BTU - 84.0% AFUE - Hot Water Gas Boiler - Power Vent
Model: 381357856
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(15)
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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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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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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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Learn More About Weil-McLain 381357936
Weil-McLain CGt-5-PIN - 109K BTU - 82.1% AFUE - Hot Water Gas Boiler - Power Vent
Model: 381357936
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 133K BTU Gross Input, 109K BTU DOE Capacity, 95K 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(7)
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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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Learn More About Weil-McLain 382200611
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.
4.5 out of 54.5 out of 54.5 out of 54.5 out of 54.5 out of 5(6)
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Learn More About Weil-McLain 386700832
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.
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(5)
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Learn More About Weil-McLain 386700834
Weil-McLain P-WTGO-5 - 175K BTU - 85.0% AFUE - Hot Water Oil Boiler - Chimney Vent - Burner Sold Separately
Model: 386700834
Floor Mounted, Cast Iron Boiler. Ships Packaged. Ratings: 1.45 GPH Gross Input, 175K BTU DOE Capacity, 152K BTU Net IBR Capacity. Includes Circulator.
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(5)
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Learn More About Weil-McLain 386700821
Weil-McLain P-SGO-5 - 131K BTU - 83.9% AFUE - Steam Oil Boiler - Chimney Vent - Burner Sold Separately
Model: 386700821
Floor Mounted, Cast Iron Boiler. Ships Packaged. Ratings: 1.45 GPH Gross Input, 174K BTU DOE Capacity, 131K 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(2)
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Learn More About Weil-McLain 383800004
Weil-McLain ECO 110 - 101K BTU - 95.0% AFUE - Hot Water Gas Boiler - Direct Vent
Model: 383800004
Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 110K BTU Gross Input, 101K BTU DOE Capacity, 88K 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(2)
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Learn More About Weil-McLain 383500735
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.
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On Sale Ends 03/31
$3,134.00
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$3,299.00
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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 may apply, see our full shipping policy for more details.
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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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Learn More About Weil-McLain 383500736
Weil-McLain Ultra 230 - 207K BTU - 94.1% AFUE - Hot Water Gas Boiler - Direct Vent
Model: 383500736
Floor Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 230K BTU Gross Input, 207K BTU DOE Capacity, 183K 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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On Sale Ends 03/31
$3,989.00
Was 
$4,199.00
SAVE $210.00
In-Stock
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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 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.
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Learn More About Weil-McLain 383500620
Weil-McLain Ultra - Maintenance Kit
Model: 383500620
Weil-McLain - Maintenance Kit - For Weil-McLain Ultra 155, Ultra 230, Ultra 299, and Ultra 399 Hot Water Boilers - MPN: 383500620
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$57.00
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$59.95
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