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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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Model Number 381800476-SD is a Hot Seller
Learn More About Weil-McLain 381800476-SD
Weil-McLain EG - 6" - Replacement Vent Damper (Scratch & Dent)
Model: 381800476-SD
Weil-McLain - 6" - Replacement Vent Damper - For Weil-McLain (P)EG-40 and (P)EG-45 Boilers - MPN: 381800476
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Scratch & Dent
$124.48
Was 
$248.96
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Only 1 In-Stock
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Model Number 381800823-SD is a Hot Seller
Learn More About Weil-McLain 381800823-SD
Weil-McLain EG - Boiler Gas Control (Scratch & Dent)
Model: 381800823-SD
Weil-McLain - Boiler Gas Control - for EG-30 to 50-PIDN Boilers - 381800823
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View All Scratch & Dent Weil-McLain
Scratch & Dent
$146.89
Was 
$293.78
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Model Number 383100025 is the Number 1 Seller
Learn More About Weil-McLain 383100025
Weil-McLain AquaBalance™ WMB-120 - 109K BTU - 92.2% AFUE - Hot Water Gas Boiler - Direct Vent
Model: 383100025
Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 120K BTU Gross Input, 109K BTU DOE Capacity, 95K BTU Net IBR Capacity.
17% Buy This
4.6 out of 54.6 out of 54.6 out of 54.6 out of 54.6 out of 5(15)
Q&A (1)
Model 383100025 is a Closeout
Closeout
$1,364.30
Was 
$1,949.00
SAVE $584.70
In-Stock
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Model Number 640000025 is the Number 2 Seller
Learn More About Weil-McLain 640000025
Weil-McLain Williamson-Thermoflo Freestyle - NG to LP - Gas Conversion Kit - For FS-120 and FS-120 COMBI
Model: 640000025
Weil-McClain - Natural Gas to Liquid Propane - Gas Conversion Kit - For Williamson-Thermoflo FS-120 and FS-120 COMBI Hot Water Boilers - MPN: 640000025
9% Buy This
4.0 out of 54.0 out of 54.0 out of 54.0 out of 54.0 out of 5(1)
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$129.00
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$139.00
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Model Number 381357804 is the Number 3 Seller
Learn More About Weil-McLain 381357804
Model 381357804 is a Recommended Product
Weil-McLain CGa-4-PIDN - 88K BTU - 84.0% AFUE - Hot Water Gas Boiler - Chimney Vent
Model: 381357804
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% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(30)
Q&A (3)
$1,899.00
In-Stock
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Model Number 383500350 is the Number 4 Seller
Learn More About Weil-McLain 383500350
Weil-McLain 3" - Concentric Vent Kit - PVC
Model: 383500350
Weil-McLain - 3" - Concentric Vent Kit - PVC - For Weil-McLain WM97+, ECO, GV90+, Ultra 80, Ultra 105, and Ultra 155 Hot Water Boilers - MPN: 383500350
4% Buy This
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$83.95
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Model Number 640000083 is the Number 5 Seller
Learn More About Weil-McLain 640000083
Weil-McLain AquaBalance™ - NG to LP - Gas Conversion Kit - For WMB-155/WMB-155C
Model: 640000083
Weil-McLain - Natural Gas to Liquid Propane - Gas Conversion Kit - For Weil-McLain AquaBalance
4% Buy This
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$99.00
Only 2 In-Stock
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Learn More About Weil-McLain 381357806
Model 381357806 is a Recommended Product
Weil-McLain CGa-5-PIDN - 117K BTU - 83.5% AFUE - Hot Water Gas Boiler - Chimney Vent
Model: 381357806
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 140K BTU Gross Input, 117K BTU DOE Capacity, 102K BTU Net IBR Capacity. Includes Circulator.
4% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(34)
Q&A (3)
$2,229.00
In-Stock
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Learn More About Weil-McLain 633600001
Weil-McLain Aqua Plus 45 - 39.9 Gal. - Indirect Water Heater
Model: 633600001
3% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(10)
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$1,125.00
In-Stock
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Learn More About Weil-McLain 383500631
Weil-McLain Condensate Neutralizer Kit
Model: 383500631
Weil-McLain - Condensate Neutralizer Kit - For Weil-McLain Ultra, AquaBalance, WM97+, ECO, and GV90+ Hot Water Boilers - MPN: 383500631
3% Buy This
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$58.95
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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.
3% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(29)
Q&A (2)
$2,539.00
In-Stock
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Learn More About Weil-McLain 383500397
Weil-McLain 3" - Sidewall Vent Termination Kit - PVC
Model: 383500397
Weil-McLain - 3" - Sidewall Vent Termination Kit - PVC - For Weil-McLain ECO, GV90+, WM97+, Ultra 80, Ultra 105, and Ultra 155 Hot Water Boilers - MPN: 383500397
2% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(1)
Q&A (1)
$53.75
In-Stock
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Learn More About Weil-McLain 640000024
Weil-McLain Williamson-Thermoflo Freestyle - NG to LP - Gas Conversion Kit - For FS-80 and FS-80 COMBI
Model: 640000024
Weil-McClain - Natural Gas to Liquid Propane - Gas Conversion Kit - For Williamson-Thermoflo FS-80 and FS-80 COMBI Hot Water Boilers - MPN: 640000024
2% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(1)
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$129.00
Only 4 In-Stock
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Learn More About Weil-McLain 381357810
Model 381357810 is a Recommended Product
Weil-McLain CGa-7-PIDN - 175K BTU - 83.0% AFUE - Hot Water Gas Boiler - Chimney Vent
Model: 381357810
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.
2% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(31)
Q&A (3)
$2,769.00
In-Stock
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Learn More About Weil-McLain 381357800
Model 381357800 is a Recommended Product
Weil-McLain CGa-25-PIDN - 44K BTU - 84.0% AFUE - Hot Water Gas Boiler - Chimney Vent
Model: 381357800
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.
2% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(29)
Q&A (3)
$1,599.00
Only 5 In-Stock
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Learn More About 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 381356586
Weil-McLain Outdoor Temperature Sensor Kit
Model: 381356586
Weil-McLain - Outdoor Temperature Sensor Kit - For Weil-McLain GV90+, CGi, CGa, and EG-W Hot Water Boilers - MPN: 381356586
2% Buy This
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$20.50
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Learn More About Weil-McLain 383500605
Weil-McLain Ultra - Maintenance Kit
Model: 383500605
Weil-McLain - Maintenance Kit - For Weil-McLain Ultra 80 and Ultra 105 Hot Water Boilers - MPN: 383500605
1% Buy This
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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$49.95
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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.
1% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(30)
Q&A (3)
$1,799.00
In-Stock
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Learn More About Weil-McLain 383100050
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.
1% Buy This
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(13)
Q&A (1)
$2,159.00
In-Stock
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Learn More About Weil-McLain 383100055
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.
1% Buy This
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(12)
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$2,059.00
Only 2 In-Stock
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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.
1% Buy This
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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$1,999.00
Only 5 In-Stock
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Learn More About Weil-McLain 381357834
Model 381357834 is a Recommended Product
Weil-McLain CGa-5-PIDL - 117K BTU - 83.5% AFUE - Hot Water Propane Boiler - Chimney Vent
Model: 381357834
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 140K BTU Gross Input, 117K BTU DOE Capacity, 102K BTU Net IBR Capacity. Includes Circulator.
1% Buy This
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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$2,229.00
Only 4 In-Stock
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Learn More About Weil-McLain 386700396
Weil-McLain Oil Burner for GO-3 - Beckett AFG - 0.95 GPH - Chimney Vent
Model: 386700396
1% Buy This
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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$426.00
In-Stock
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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.
1% Buy This
4.9 out of 54.9 out of 54.9 out of 54.9 out of 54.9 out of 5(17)
Q&A (2)
$2,459.00
In-Stock
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