Weil-McLain Boilers

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Learn More About Weil-McLain 521100019
Weil-McLain Oil Burner for GO-9 - Beckett AFG - 2.55 GPH - Chimney Vent - With 2-Stage Pump
Model: 521100019
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$723.85
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Learn More About Weil-McLain 383600330
Weil-McLain SlimFit® SF550 - 517K BTU - 93.9% Thermal Efficiency - Hot Water Gas Boiler - Direct Vent
Model: 383600330
Floor Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 550K BTU Gross Input, 517K BTU DOE Capacity, 450K BTU Net IBR Capacity.
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$12,884.85
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Learn More About Weil-McLain 133041304
Weil-McLain LGB-4-W - 324K BTU - 81.0% Combustion Efficiency - Hot Water Gas Boiler - Chimney Vent
Model: 133041304
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Disassembled. Ratings: 400K BTU Gross Input, 324K BTU DOE Capacity, 282K BTU Net IBR Capacity.
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On Sale Ends 10/31
$7,058.34
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$7,429.83
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Learn More About Weil-McLain 383600017
Weil-McLain SF2000R - 1,906K BTU - 95.3% Thermal Efficiency - Hot Water Gas Boiler - Direct Vent
Model: 383600017
Floor Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 2,000K BTU Gross Input, 1,906K BTU DOE Capacity, 1,657K BTU Net IBR Capacity.
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Learn More About Weil-McLain 381359014
Weil-McLain CGi-25-PIL - 41K BTU - 84.0% AFUE - Hot Water Propane Boiler - Power Vent
Model: 381359014
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 48k BTU Gross Input, 41k BTU DOE Capacity, 36k BTU Net IBR Capacity. Includes Circulator.
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Learn More About Weil-McLain 381359000
Weil-McLain CGi-25-PIN - 41K BTU - 84.0% AFUE - Hot Water Gas Boiler - Power Vent
Model: 381359000
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 48k BTU Gross Input, 41k BTU DOE Capacity, 36k BTU Net IBR Capacity. Includes Circulator.
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Learn More About Weil-McLain 381359034
Weil-McLain CGi-3-PIN - 49K BTU - 84.0% AFUE - Hot Water Gas Boiler - Power Vent - High Altitude Version (7000 - 9000 ft)
Model: 381359034
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.
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Learn More About Weil-McLain 381359062
Weil-McLain CGi-5-PIL - 102K BTU - 84.0% AFUE - Hot Water Propane Boiler - Power Vent - High Altitude Version (2000 - 7000 ft)
Model: 381359062
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.
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$3,164.32
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Learn More About Weil-McLain 381359041
Weil-McLain CGi-5-PIN - 102K BTU - 84.0% AFUE - Hot Water Gas Boiler - Power Vent - High Altitude Version (5000 - 7000 ft)
Model: 381359041
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.
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Learn More About Weil-McLain 381359042
Weil-McLain CGi-5-PIN - 102K BTU - 84.0% AFUE - Hot Water Gas Boiler - Power Vent - High Altitude Version (7000 - 9000 ft)
Model: 381359042
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.
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$3,309.05
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Learn More About Weil-McLain 381359065
Weil-McLain CGi-6-PIL - 135K BTU - 84.0% AFUE - Hot Water Propane Boiler - Power Vent - High Altitude Version (7000 - 10000 ft)
Model: 381359065
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.
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$3,565.54
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$3,753.20
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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 381359045
Weil-McLain CGi-6-PIN - 135K BTU - 84.0% AFUE - Hot Water Gas Boiler - Power Vent - High Altitude Version (5000 - 7000 ft)
Model: 381359045
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.
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$3,565.54
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$3,753.20
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Learn More About Weil-McLain 381359067
Weil-McLain CGi-7-PIL - 162K BTU - 84.0% AFUE - Hot Water Propane Boiler - Power Vent - High Altitude Version (7000 - 10000 ft)
Model: 381359067
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 190k BTU Gross Input, 162k BTU DOE Capacity, 141k BTU Net IBR Capacity. Includes Circulator.
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$4,229.83
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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 381359050
Weil-McLain CGi-7-PIN - 162K BTU - 84.0% AFUE - Hot Water Gas Boiler - Power Vent - High Altitude Version (7000 - 9000 ft)
Model: 381359050
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 190k BTU Gross Input, 162k BTU DOE Capacity, 141k BTU Net IBR Capacity. Includes Circulator.
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Learn More About Weil-McLain 381359012
Weil-McLain CGi-8-PIN - 189K BTU - 84.0% AFUE - Hot Water Gas Boiler - Power Vent
Model: 381359012
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 222k BTU Gross Input, 189k BTU DOE Capacity, 164k BTU Net IBR Capacity. Includes Circulator.
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$4,415.03
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Learn More About Weil-McLain 381359117
Weil-McLain CGa-4-PIDL - 85K BTU - 84.0% AFUE - Hot Water Propane Boiler - Chimney Vent - High Altitude Version (7000 - 10000 ft)
Model: 381359117
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.
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$2,615.55
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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 381359102
Weil-McLain CGa-4-PIDN - 85K BTU - 84.0% AFUE - Hot Water Gas Boiler - Chimney Vent - High Altitude Version (4500 - 7000 ft)
Model: 381359102
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.
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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 381359118
Weil-McLain CGa-5-PIDL - 113K BTU - 84.0% AFUE - Hot Water Propane Boiler - Chimney Vent - High Altitude Version (4500 - 7000 ft)
Model: 381359118
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.
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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 381359104
Weil-McLain CGa-5-PIDN - 113K BTU - 84.0% AFUE - Hot Water Gas Boiler - Chimney Vent - High Altitude Version (4500 - 7000 ft)
Model: 381359104
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.
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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 381359106
Weil-McLain CGa-6-PIDN - 141K BTU - 84.0% AFUE - Hot Water Gas Boiler - Chimney Vent - High Altitude Version (4500 - 7000 ft)
Model: 381359106
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.
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$3,476.00
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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 381359108
Weil-McLain CGa-7-PIDN - 170K BTU - 84.0% AFUE - Hot Water Gas Boiler - Chimney Vent - High Altitude Version (4500 - 7000 ft)
Model: 381359108
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 200k BTU Gross Input, 170k BTU DOE Capacity, 148k BTU Net IBR Capacity. Includes Circulator.
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$3,575.04
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$3,763.20
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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 381359109
Weil-McLain CGa-7-PIDN - 170K BTU - 84.0% AFUE - Hot Water Gas Boiler - Chimney Vent - High Altitude Version (7000 - 10000 ft)
Model: 381359109
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 200k BTU Gross Input, 170k BTU DOE Capacity, 148k BTU Net IBR Capacity. Includes Circulator.
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$3,575.04
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$3,763.20
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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 383900153
Weil-McLain ECO® Tec 80-H - 75K BTU - 95% AFUE - Hot Water Gas Boiler - Direct Vent
Model: 383900153
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.
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On Sale Ends 10/31
$2,872.80
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$3,024.00
SAVE $151.20
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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 386901007
Weil-McLain UO-4 - 148K BTU - 87% AFUE - Hot Water Oil Boiler - Chimney Vent - Burner Sold Separately
Model: 386901007
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On Sale Ends 10/31
$3,148.53
Was 
$3,314.24
SAVE $165.71
Factory-Direct
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight
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.
View Details
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