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9 Items

Set Descending Direction

  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
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    With Coil
    Green Mountain GMA412522210504 GMOWT 175 Input MBtu - 86% AFUE Oil-Fired Hot Water Boiler - with Tankless Coil - Chimney Vent (Burner Sold Separately)
    Retail : $4,162.00 $2,380.66
    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)

  5. Weil-McLain WTGO Series 4 Oil-Fired Water Boilers
    Oil-Fired, Water
    Cast Iron Heat Exchanger
    Chimney Vent
    86.4% Efficiency
    https://www.afsupply.com/media/attribute/swatch/swatch_thumb/110x90/w/i/withoutburner.png
    Without Burner
    Weil-Mclain 386-701-028 WTGO-3L 98 Input MBtu 86.4% AFUE Cast Iron Oil-Fired Water Boiler with T-007e Circulator Series 4 - Chimney Vent (Burner Sold Separately)
    Retail : $4,460.00 $3,523.40
    You Save (21%)

    • Weil-Mclain 386-701-028 WTGO-3L 98 Input MBtu 86.4% AFUE Cast Iron Oil-Fired Water Boiler with T-007e Circulator Series 4 - Chimney Vent (Burner Sold Separately)

    • Weil-Mclain 386-701-027 WTGO-3R 112 Input MBtu 86.2% AFUE Cast Iron Oil-Fired Water Boiler with T-007e Circulator Series 4 - Chimney Vent (Burner Sold Separately)

    • Weil-Mclain 386-701-029 WTGO-4R 140 Input MBtu 86.2% AFUE Cast Iron Oil-Fired Water Boiler with T-007e Circulator Series 4 - Chimney Vent (Burner Sold Separately)

    • Weil-Mclain 386-701-030 WTGO-5R 168 Input MBtu 86.1% AFUE Cast Iron Oil-Fired Water Boiler with T-007 Circulator Series 4 - Chimney Vent (Burner Sold Separately)

    • Weil-Mclain 386-701-031 WTGO-6R 196 Input MBtu 86.1% AFUE Cast Iron Oil-Fired Water Boiler with T-007 Circulator Series 4 - Chimney Vent (Burner Sold Separately)

  6. Weil-McLain WGO Series 4 Oil-Fired Water Boilers
    Oil-Fired, Water
    Cast Iron Heat Exchanger
    Chimney Vent
    86.2% Efficiency
    https://www.afsupply.com/media/attribute/swatch/swatch_thumb/110x90/w/i/withoutburner.png
    Without Burner
    Weil-McLain 386-701-014 WGO-4R 140 Input MBtu 86.2% AFUE Cast Iron Oil-Fired Water Boiler with T-007E Circulator Series 4 - Chimney Vent (Burner Sold Separately)
    Retail : $4,557.00 $3,600.03
    You Save (21%)

    • Weil-McLain 386-701-012 WGO-2 98 Input MBtu 86.4% AFUE Cast Iron Oil-Fired Water Boiler w/ T-007E Circulator Series 4 - Chimney Vent (Burner Sold Separately) Packaged

    • Weil-McLain 386-701-013 WGO-3R 112 Input MBtu 86.2% AFUE Cast Iron Oil-Fired Water Boiler with T-007E Circulator Series 4 - Chimney Vent (Burner Sold Separately)

    • Weil-McLain 386-701-014 WGO-4R 140 Input MBtu 86.2% AFUE Cast Iron Oil-Fired Water Boiler with T-007E Circulator Series 4 - Chimney Vent (Burner Sold Separately)

    • Weil-McLain 386-701-015 WGO-5R 168 Input MBtu 86.1% AFUE Cast Iron Oil-Fired Water Boiler with T-007 Circulator Series 4 - Chimney Vent (Burner Sold Separately)

    • Weil-McLain 386-701-016 WGO-6R 196 Input MBtu 86.1% AFUE Cast Iron Oil-Fired Water Boiler with T-007 Circulator Series 4 - Chimney Vent (Burner Sold Separately)

  8. Williamson OSB Oil Fired Steam Boilers
    Oil-Fired, Steam
    Cast Iron Heat Exchanger
    Chimney Vent
    85% Efficiency
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    Without Burner
    https://www.afsupply.com/media/attribute/swatch/swatch_thumb/110x90/p/a/packaged_1_1.png
    Packaged
    Williamson OSB-5-P-S3-W OSB Series 3 174,000 BTU 85% AFUE Oil-Fired Chimney Vent Steam Boiler, Probe LWCO, 5 Section (Burner and Tankless Coil Sold Separately)
    Retail : $5,232.00 $3,623.16
    You Save (31%)

    • Williamson OSB-3-P-S3-W OSB Series 3 114,000 BTU 85% AFUE Oil-Fired Chimney Vent Steam Boiler, Probe LWCO, 3 Section (Burner and Tankless Coil Sold Separately)

    • Williamson OSB-4-P-S3-W OSB Series 3 144,000 BTU 85% AFUE Oil-Fired Chimney Vent Steam Boiler, Probe LWCO, 4 Section (Burner and Tankless Coil Sold Separately)

    • Williamson OSB-5-P-S3-W OSB Series 3 174,000 BTU 85% AFUE Oil-Fired Chimney Vent Steam Boiler, Probe LWCO, 5 Section (Burner and Tankless Coil Sold Separately)

    • Williamson OSB-6-P-S3-W OSB Series 3 210,000 BTU 85% AFUE Oil-Fired Chimney Vent Steam Boiler, Probe LWCO, 6 Section (Burner and Tankless Coil Sold Separately)

  9. Williamson OWB Oil Fired Water Boilers without Coil
    Oil-Fired, Water
    Cast Iron Heat Exchanger
    Chimney Vent
    87% 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/withoutcoil_opening_2.png
    Without Coil
    https://www.afsupply.com/media/attribute/swatch/swatch_thumb/110x90/p/a/packaged_1_1.png
    Packaged
    Williamson OWB-3-T-S3-W OWB Series 3 98,000 BTU 87% AFUE Oil-Fired Chimney Vent Water Boiler, Without Coil, Taco 007, 3 Section (Burner Sold Separately)
    Retail : $3,360.00 $2,326.80
    You Save (31%)

    • Williamson OWB-3-T-S3-W OWB Series 3 98,000 BTU 87% AFUE Oil-Fired Chimney Vent Water Boiler, Without Coil, Taco 007, 3 Section (Burner Sold Separately)

    • Williamson OWB-4-T-S3-W OWB Series 3 140,000 BTU 87% AFUE Oil-Fired Chimney Vent Water Boiler, Without Coil, Taco 007, Section (Burner Sold Separately)

    • Williamson OWB-5-T-S3-W OWB Series 3 168,000 BTU 87% AFUE Oil-Fired Chimney Vent Water Boiler, Without Coil, Taco 007, 5 Section (Burner Sold Separately)

    • Williamson OWB-6-T-S3-W OWB Series 3 196,000 BTU 87% AFUE Oil-Fired Chimney Vent Water Boiler, Without Coil, Taco 007, 6 Section (Burner Sold Separately)
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