Please ensure Javascript is enabled for purposes of website accessibility
  • Sign In
  • Create an Account

Need Help?   Email:

Toggle Nav
Cart Icon Cart
Search
We ship to most places in continental USA
Chat with us
Need help
Our Locations

Boilers

Mbtu

Fuel Type

Medium

Brands



Items 253-288 of 763

Set Descending Direction

  1. Weil-McLain EG Boilers Series 6 (with Coil Opening)
    Gas, Water
    Cast Iron Heat Exchanger
    Chimney Vent
    84% Efficiency
    https://www.afsupply.com/media/attribute/swatch/swatch_thumb/110x90/w/i/withoutcoil_opening_3.png
    With Coil Opening
    https://www.afsupply.com/media/attribute/swatch/swatch_thumb/110x90/k/n/knockdown_1.png
    Knockdown(Assembly required)
    Weil-Mclain 118502500 EG-50 175 MBtu Input 84% AFUE Natural Gas Water Boiler with Tankless Coil Opening (Knockdown – Assembly Required)
    Retail : $6,459.00 $5,102.61
    You Save (21%)

    • Weil-Mclain 118352500 EG-35 100 MBtu Input 84% AFUE Natural Gas Water Boiler with Tankless Coil Opening (Knockdown – Assembly Required)

    • Weil-Mclain 118402500 EG-40 125 MBtu Input 84% AFUE Natural Gas Water Boiler with Tankless Coil Opening (Knockdown – Assembly Required)

    • Weil-Mclain 118452500 EG-45 150 MBtu Input 84% AFUE Natural Gas Water Boiler with Tankless Coil Opening (Knockdown – Assembly Required)

    • Weil-Mclain 118502500 EG-50 175 MBtu Input 84% AFUE Natural Gas Water Boiler with Tankless Coil Opening (Knockdown – Assembly Required)

    • Weil-Mclain 118-552-500 EG-55 200 Input MBtu 84% AFUE Natural Gas Water Boiler with Tankless Coil Opening (Knockdown – Assembly Required)

    • Weil-Mclain 118-652-500 EG-65 238 Input MBtu 84% AFUE Natural Gas Water Boiler with Tankless Coil Opening(Knockdown – Assembly Required)

    • Weil-Mclain 118-752-500 EG-75 282 Input MBtu 84% AFUE Natural Gas Water Boiler with Tankless Coil Opening (Knockdown – Assembly Required)

  2. Weil-McLain EG-55 Gas Boilers Series 6
    Gas, Steam
    Cast Iron Heat Exchanger
    Chimney Vent
    82% Efficiency
    https://www.afsupply.com/media/attribute/swatch/swatch_thumb/110x90/w/i/withoutcoil_opening_3.png
    With Coil Opening
    https://www.afsupply.com/media/attribute/swatch/swatch_thumb/110x90/k/n/knockdown_1.png
    Knockdown(Assembly required)
    Weil-Mclain 118505501 EG-50 175 MBtu Input 82% AFUE Natural Gas Steam Boiler with Tankless Coil Opening (Knockdown – Assembly Required)
    Retail : $6,712.00 $5,302.48
    You Save (21%)

    • Weil-Mclain 118355501 EG-35 100 MBtu Input 82% AFUE Natural Gas Steam Boiler with Tankless Coil Opening (Knockdown – Assembly Required)

    • Weil-Mclain 118405501 EG-40 125 MBtu Input 82% AFUE Natural Gas Steam Boiler with Tankless Coil Opening (Knockdown – Assembly Required)

    • Weil-Mclain 118455501 EG-45 150 MBtu Input 82% AFUE Natural Gas Steam Boiler with Tankless Coil Opening (Knockdown – Assembly Required)

    • Weil-Mclain 118505501 EG-50 175 MBtu Input 82% AFUE Natural Gas Steam Boiler with Tankless Coil Opening (Knockdown – Assembly Required)

    • Weil-Mclain 118-555-501 EG-55 200 Input MBtu 82% AFUE Natural Gas Steam Boiler with Tankless Coil Opening (Knockdown – Assembly Required)

    • Weil-Mclain 118-655-501 EG-65 238 Input MBtu 82% AFUE Natural Gas Steam Boiler with Tankless Coil Opening(Knockdown – Assembly Required)

    • Weil-Mclain 118-755-501 EG-75 282 Input MBtu 82% AFUE Natural Gas Steam Boiler with Tankless Coil Opening (Knockdown – Assembly Required)

  4. Green Mountain GMOW Series I
    Oil-Fired, Water
    Cast Iron Heat Exchanger
    Chimney Vent
    86% Efficiency
    https://www.afsupply.com/media/attribute/swatch/swatch_thumb/110x90/w/i/withoutburner.png
    Without Burner
    https://www.afsupply.com/media/attribute/swatch/swatch_thumb/110x90/w/i/withcoil_opening_2.png
    With Coil
    Green Mountain GMA618522210504 GMOWT 259 Input MBtu - 86% AFUE Oil-Fired Hot Water Boiler - with Tankless Coil - Chimney Vent (Burner Sold Separately)
    Retail : $5,796.00 $3,315.31
    You Save (43%)

    • Green Mountain GMA308522210504 GMOWT 119 Input MBtu - 86% AFUE Oil-Fired Hot Water Boiler - with Tankless Coil - Chimney Vent (Burner Sold Separately)

    • Green Mountain GMA412522210504 GMOWT 175 Input MBtu - 86% AFUE Oil-Fired Hot Water Boiler - with Tankless Coil - Chimney Vent (Burner Sold Separately)

    • Green Mountain GMA516022210504 GMOWT 224 Input MBtu - 86% AFUE Oil-Fired Hot Water Boiler - with Tankless Coil - Chimney Vent (Burner Sold Separately)

    • Green Mountain GMA618522210504 GMOWT 259 Input MBtu - 86% AFUE Oil-Fired Hot Water Boiler - with Tankless Coil - Chimney Vent (Burner Sold Separately)

  8. Burnham ES2A,B Series Boilers
    Gas, Water
    Cast Iron Heat Exchanger
    Chimney Vent
    85% Efficiency
    https://www.afsupply.com/media/attribute/swatch/swatch_thumb/110x90/p/u/pump_1.png
    With Pump
    Burnham ES27BNI-G, ES2, 210 Input MBtu, 85% AFUE, Electronic Ignition, Natural Gas Water Boiler, Chimney Vent, Limited Lifetime Warranty with Grundfos Alpha Pump(Altitude up to 10,000 feet)
    Retail : $6,324.00 $4,806.24
    You Save (24%)

    • Burnham ES23BNI-G, ES2, 70 Input MBtu, 85% AFUE, Electronic Ignition, Natural Gas Water Boiler, Chimney Vent, Limited Lifetime Warranty with Grundfos Alpha Pump(Altitude up to 10,000 feet)

    • Burnham ES24BNI-G, ES2, 105 Input MBtu, 85% AFUE, Electronic Ignition, Natural Gas Water Boiler, Chimney Vent, Limited Lifetime Warranty with Grundfos Alpha Pump(Altitude up to 10,000 feet)

    • Burnham ES25BNI-G, ES2, 140 Input MBtu, 85% AFUE, Electronic Ignition, Natural Gas Water Boiler, Chimney Vent, Limited Lifetime Warranty with Grundfos Alpha Pump(Altitude up to 10,000 feet)

    • Burnham ES26BNI-G, ES2, 175 Input MBtu, 85% AFUE, Electronic Ignition, Natural Gas Water Boiler, Chimney Vent, Limited Lifetime Warranty with Grundfos Alpha Pump(Altitude up to 10,000 feet)

    • Burnham ES27BNI-G, ES2, 210 Input MBtu, 85% AFUE, Electronic Ignition, Natural Gas Water Boiler, Chimney Vent, Limited Lifetime Warranty with Grundfos Alpha Pump(Altitude up to 10,000 feet)

    • Burnham ES28BNI-G, ES2, 245 Input MBtu, 85% AFUE, Electronic Ignition, Natural Gas Water Boiler, Chimney Vent, Limited Lifetime Warranty with Grundfos Alpha Pump(Altitude up to 10,000 feet)

    • Burnham ES29BNI-G, ES2, 280 Input MBtu, 85% AFUE, Electronic Ignition, Natural Gas Water Boiler, Chimney Vent, Limited Lifetime Warranty with Grundfos Alpha Pump(Altitude up to 10,000 feet)

  9. Burnham X-PV Series Boilers
    Gas, Water
    Cast Iron Heat Exchanger
    Induced Draft
    85% Efficiency
    https://www.afsupply.com/media/attribute/swatch/swatch_thumb/110x90/p/u/pump_1.png
    With Pump
    Burnham X-PV7N-T02, X-PV, 210 Input MBtu, 85% AFUE, Natural Gas Water Boiler, Power Vent with Taco 007e Pump (Altitude 0 to 2000 ft.)
    Retail : $6,388.00 $4,854.88
    You Save (24%)

    • Burnham X-PV3N-T02 X-PV, 70 Input MBtu, 85% AFUE, Natural Gas Water Boiler, Power Vent with Taco 007e Pump (Altitude 0 to 2000 ft.)

    • Burnham X-PV4N-T02, X-PV, 105 Input MBtu, 85% AFUE, Natural Gas Water Boiler, Power Vent with Taco 007e Pump (Altitude 0 to 2000 ft.)

    • Burnham X-PV5N-T02, X-PV, 140 Input MBtu, 85% AFUE, Natural Gas Water Boiler, Power Vent with Taco 007e Pump (Altitude 0 to 2000 ft.)

    • Burnham X-PV6N-T02, X-PV, 175 Input MBtu, 85% AFUE, Natural Gas Water Boiler, Power Vent with Taco 007e Pump (Altitude 0 to 2000 ft.)

    • Burnham X-PV7N-T02, X-PV, 210 Input MBtu, 85% AFUE, Natural Gas Water Boiler, Power Vent with Taco 007e Pump (Altitude 0 to 2000 ft.)

    • Burnham X-PV8N-T02, X-PV, 245 Input MBtu, 84% AFUE, Natural Gas Water Boiler, Power Vent with Taco 007e Pump (Altitude 0 to 2000 ft.)

  10. Burnham X-2 Series Package Boilers
    Gas, Water
    Cast Iron Heat Exchanger
    Chimney Vent
    84% Efficiency
    https://www.afsupply.com/media/attribute/swatch/swatch_thumb/110x90/p/u/pump_1.png
    With Pump
    https://www.afsupply.com/media/attribute/swatch/swatch_thumb/110x90/p/a/packaged_1_1.png
    Packaged
    Burnham X-209N-TH, X-2, 280 Input MBtu, 84% AFUE, LWCO Integrated in Natural Gas Water Boiler, Chimney Vent, Limited Lifetime Warranty with Taco 007e Pump (Altitude up to 10,000 feet),
    Retail : $5,501.00 $4,538.32
    You Save (18%)

    • Burnham X-203N-TH, X-2, 70 Input MBtu, 84% AFUE, LWCO Integrated in Natural Gas Water Boiler, Chimney Vent, Limited Lifetime Warranty with Taco 007e Pump (Altitude up to 10,000 feet)

    • Burnham X-204N-TH, X-2, 105 Input MBtu, 84% AFUE, LWCO Integrated in Natural Gas Water Boiler, Chimney Vent, Limited Lifetime Warranty with Taco 007e Pump (Altitude up to 10,000 feet)

    • Burnham X-205N-TH, X-2, 140 Input MBtu, 84% AFUE, LWCO Integrated in Natural Gas Water Boiler, Chimney Vent, Limited Lifetime Warranty with Taco 007e Pump (Altitude up to 10,000 feet)

    • Burnham X-206N-TH, X-2, 175 Input MBtu, 84% AFUE, LWCO Integrated in Natural Gas Water Boiler, Chimney Vent, Limited Lifetime Warranty with Taco 007e Pump (Altitude up to 10,000 feet)

    • Burnham X-207N-TH, X-2, 210 Input MBtu, 84% AFUE, LWCO Integrated in Natural Gas Water Boiler, Chimney Vent, Limited Lifetime Warranty with Taco 007e Pump (Altitude up to 10,000 feet)

    • Burnham X-208N-TH, X-2, 245 Input MBtu, 84% AFUE, LWCO Integrated in Natural Gas Water Boiler, Chimney Vent, Limited Lifetime Warranty with Taco 007e Pump (Altitude up to 10,000 feet)

    • Burnham X-209N-TH, X-2, 280 Input MBtu, 84% AFUE, LWCO Integrated in Natural Gas Water Boiler, Chimney Vent, Limited Lifetime Warranty with Taco 007e Pump (Altitude up to 10,000 feet),

  13. Burnham Series 2e Package Boilers
    Gas, Water
    Cast Iron Heat Exchanger
    Chimney Vent
    84% Efficiency
    https://www.afsupply.com/media/attribute/swatch/swatch_thumb/110x90/p/u/pump_1.png
    With Pump
    https://www.afsupply.com/media/attribute/swatch/swatch_thumb/110x90/p/a/packaged_1_1.png
    Packaged
    Burnham 209EN-T0, Series 2, 276 Input MBtu, 84% AFUE, Natural Gas Water Boiler, Chimney Vent, Limited Lifetime Warranty with Taco 007e Pump, (Altitude 0-2000 ft)
    Retail : $7,064.00 $5,368.64
    You Save (24%)

    • Burnham 202EN-T0, Series 2, 38 Input MBtu, 84% AFUE, Natural Gas Water Boiler, Chimney Vent, Limited Lifetime Warranty, with Taco 007e Pump, (Altitude 0-2000 ft)

    • Burnham 203EN-T0, Series 2, 69 Input MBtu, 84% AFUE, Natural Gas Water Boiler, Chimney Vent, Limited Lifetime Warranty with Taco 007e Pump, (0-2000 ft)

    • Burnham 204EN-T0, Series 2, 103 Input MBtu, 84% AFUE, Natural Gas Water Boiler, Chimney Vent, Limited Lifetime Warranty with Taco 007e Pump, (Altitude 0-2000 ft)

    • Burnham 205EN-T0, Series 2, 138 Input MBtu, 84% AFUE, Natural Gas Water Boiler, Chimney Vent, Limited Lifetime Warranty with Taco 007e Pump, (Altitude 0-2000 ft)

    • Burnham 206EN-T0, Series 2, 172 Input MBtu, 84% AFUE, Natural Gas Water Boiler, Chimney Vent, Limited Lifetime Warranty with Taco 007e Pump, (Altitude 0-2000 ft)

    • Burnham 207EN-T0, Series 2, 207 Input MBtu, 84% AFUE, Natural Gas Water Boiler, Chimney Vent, Limited Lifetime Warranty with Taco 007e Pump, (Altitude 0-2000 ft)

    • Burnham 208EN-T0, Series 2, 241 Input MBtu, 84% AFUE, Natural Gas Water Boiler, Chimney Vent, Limited Lifetime Warranty with Taco 007e Pump, (Altitude 0-2000 ft)

    • Burnham 209EN-T0, Series 2, 276 Input MBtu, 84% AFUE, Natural Gas Water Boiler, Chimney Vent, Limited Lifetime Warranty with Taco 007e Pump, (Altitude 0-2000 ft)

  16. Williamson GSA Series 2 Steam Boilers
    Gas, Steam
    Chimney Vent
    82% Efficiency
    https://www.afsupply.com/media/attribute/swatch/swatch_thumb/110x90/p/a/packaged_1_1.png
    Packaged
    Williamson GSA-238-N-IP-S2-W GSA Series 2 High Efficiency 238,000 BTU 82% AFUE Natural Gas Atmospheric Vent Steam Boiler, Intermittent Pilot, Probe LWCO
    Retail : $7,136.00 $4,424.32
    You Save (38%)

    • Williamson GSA-075-N-IP-S2-W GSA Series 2 High Efficiency 75,000 BTU 82% AFUE Natural Gas Atmospheric Vent Steam Boiler, Intermittent Pilot, Probe LWCO Includes Damper and Draft Hood

    • Williamson GSA-100-N-IP-S2-W GSA Series 2 High Efficiency 100,000 BTU 82% AFUE Natural Gas Atmospheric Vent Steam Boiler, Intermittent Pilot, Probe LWCO Includes Damper and Draft Hood

    • Williamson GSA-125-N-IP-S2-W GSA Series 2 High Efficiency 125,000 BTU 82% AFUE Natural Gas Atmospheric Vent Steam Boiler, Probe LWCO Includes Damper and Draft Hood

    • Williamson GSA-150-N-IP-S2-W GSA Series 2 High Efficiency 150,000 BTU 82% AFUE Natural Gas Atmospheric Vent Steam Boiler, Intermittent Pilot, Probe LWCO Includes Damper and Draft Hood

    • Williamson GSA-175-N-IP-S2-W GSA Series 2 High Efficiency 175,000 BTU 82% AFUE Natural Gas Atmospheric Vent Steam BoilerInput Natural Gas, Intermittent Pilot, Probe LWCO Includes Damper and Draft Hood

    • Williamson GSA-200-N-IP-S2-W GSA Series 2 High Efficiency 200,000 BTU 82% AFUE Natural Gas Atmospheric Vent Steam Boiler, Intermittent Pilot, Probe LWCO Includes Damper and Draft Hood

    • Williamson GSA-238-N-IP-S2-W GSA Series 2 High Efficiency 238,000 BTU 82% AFUE Natural Gas Atmospheric Vent Steam Boiler, Intermittent Pilot, Probe LWCO

    • Williamson GSA-282-N-IP-S2-W GSA Series 2 High Efficiency 282,000 BTU 82% AFUE Natural Gas Atmospheric Vent Steam Boiler, Intermittent Pilot, Probe LWCO

  17. Weil-McLain CGa Gas Boilers Series 3
    Gas, Water
    Cast Iron Heat Exchanger
    Atmospheric Vent
    84% Efficiency
    https://www.afsupply.com/media/attribute/swatch/swatch_thumb/110x90/p/u/pump_1.png
    With Pump
    https://www.afsupply.com/media/attribute/swatch/swatch_thumb/110x90/p/a/packaged_1_1.png
    Packaged
    Weil-Mclain 381359070 CGa-25 Packaged 38 Input MBtu, 84% AFUE, Atmospheric Natural Gas Water Boiler with Taco 007e Circulating Pump, Series 3
    Retail : $3,118.00 $2,369.68
    You Save (24%)

    • Weil-Mclain 381359070 CGa-25 Packaged 38 Input MBtu, 84% AFUE, Atmospheric Natural Gas Water Boiler with Taco 007e Circulating Pump, Series 3

    • Weil-Mclain 381359072 CGa-3 Packaged 67 Input MBtu, 84% AFUE, Atmospheric Natural Gas Water Boiler with Taco 007e Circulating Pump, Series 3

    • Weil-Mclain 381359074 CGa-4 Packaged 100 Input MBtu, 84% AFUE, Atmospheric Natural Gas Water Boiler with Taco 007e Circulating Pump, Series 3

    • Weil-Mclain 381359076 CGa-5 Packaged 133 Input MBtu, 84% AFUE, Atmospheric Natural Gas Water Boiler with Taco 007e Circulating Pump, Series 3

    • Weil-Mclain 381359078 CGa-6 Packaged 166 Input MBtu, 84% AFUE, Atmospheric Natural Gas Water Boiler with Taco 007e Circulating Pump, Series 3

    • Weil-Mclain 381359080 CGa-7 Packaged 200 Input MBtu, 84% AFUE, Atmospheric Natural Gas Water Boiler with Taco 007e Circulating Pump, Series 3

    • Weil-Mclain 381359082 CGa-8 Packaged 233 Input MBtu, 84% AFUE, Atmospheric Natural Gas Water Boiler with Taco 007e Circulating Pump, Series 3

  18. Williamson GWA Water Boilers
    Gas, Water
    Cast Iron Heat Exchanger
    Chimney Vent
    84% Efficiency
    https://www.afsupply.com/media/attribute/swatch/swatch_thumb/110x90/p/a/packaged_1_1.png
    Packaged
    Williamson GWA-100-N-T-S3-W GWA Series 3, 100 Input MBtu, 84% AFUE, Natural Gas, Atmospheric Vent, Water Boiler, Taco 007, LWCO
    Retail : $3,638.00 $2,255.56
    You Save (38%)

    • Williamson GWA-038-N-T-S3-W GWA Series 3, 38 Input MBtu, 84% AFUE, Natural Gas, Atmospheric Vent, Water Boiler, Taco 007, LWCO

    • Williamson GWA-067-N-T-S3-W GWA Series 3, 67 Input MBtu, 84% AFUE Natural Gas, Atmospheric Vent, Water Boiler, Taco 007, LWCO

    • Williamson GWA-100-N-T-S3-W GWA Series 3, 100 Input MBtu, 84% AFUE, Natural Gas, Atmospheric Vent, Water Boiler, Taco 007, LWCO

    • Williamson GWA-133-N-T-S3-W GWA Series 3, 133 Input MBtu, 84% AFUE, Natural Gas, Atmospheric Vent, Water Boiler, Taco 007, LWCO

    • Williamson GWA-166-N-T-S3-W GWA Series 3, 166 Input MBtu, 84% AFUE, Natural Gas, Atmospheric Vent, Water Boiler, Taco 007, LWCO

    • Williamson GWA-200-N-T-S3-W GWA Series 3, 200 Input MBtu, 84% AFUE, Natural Gas, Atmospheric Vent, Water Boiler, Taco 007, LWCO

    • Williamson GWA-233-N-T-S3-W GWA Series 3 233 Input MBtu 84% AFUE Natural Gas Atmospheric Vent, Package Water Boiler, Taco 007, LWCO, Draft Hood Included
Page
per page

Shop By
Shopping Options
Category
  1. Residential Boilers 115 items
  2. Commercial Boilers 49 items
  3. Natural Gas Boilers 577 items
  4. Propane Boilers 75 items
  5. Oil Boilers 149 items
  6. Electric Boiler 14 items
  7. Water Boilers 484 items
  8. Steam Boilers 201 items
Availability
Product Group Name
Burner
Coil
Pump
Water Heater Type for Top Filters
Discount% Range
Manufacturer
BTU Input Range
Fuel Type
Series
Price
OK

By using this site you agree to our Terms, Conditions of Use and Privacy Statement © 2025 AF Supply Corp. All Rights Reserved.