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

Water X

Mbtu

Fuel Type

Medium

Brands



Items 433-468 of 472

Set Descending Direction

  5. Triangle Tube Prestige Solo Series Boilers
    Gas, Water
    Stainless Steel Heat Exchanger
    Direct Vent
    95% Efficiency
    Triangle Tube PA80 80 Input MBtu - 95% AFUE ACVMax Control Condensing Natural Gas/Liquid Propane Boiler - Direct Vent
    Retail : $4,301.00 $3,389.62
    You Save (21%)

    • Triangle Tube PA80 80 Input MBtu - 95% AFUE ACVMax Control Condensing Natural Gas/Liquid Propane Boiler - Direct Vent

    • Triangle Tube PA110 Prestige Solo 110 Input MBtu - 95% AFUE ACVMax Control Condensing Natural Gas/Liquid Propane Gas Boiler - Direct Vent

    • Triangle Tube PA155 153 Input MBtu - 95% AFUE ACVMax Control Condensing Natural Gas/Liquid Propane Boiler - Direct Vent

    • Triangle Tube PA175 170 Input MBtu - 95% AFUE ACVMax Control Condensing Natural Gas/Liquid Propane Boiler - Direct Vent

    • Triangle Tube PA250 240 Input MBtu - 95% AFUE ACVMax Control Condensing Natural Gas/Liquid Propane Boiler - Direct Vent

    • Triangle Tube PA299 Prestige Solo 299 Input MBtu - 95% AFUE ACVMax Control Condensing Natural Gas/Liquid Propane Gas Boiler - Direct Vent

    • Triangle Tube PA399 399 Input MBtu - 95% AFUE ACVMax Control Condensing Natural Gas/Liquid Propane Boiler - Direct Vent

  6. Utica SSC Series Boilers
    Gas, Water
    Stainless Steel Heat Exchanger
    95% Efficiency
    https://www.afsupply.com/media/attribute/swatch/swatch_thumb/110x90/p/u/pump_1.png
    With Pump
    Utica SSC120003540210 UBSSC-200 Taco 200MBH 95% AFUE Natural Gas Wall Hung Stainless Steel Modulating Condensing Boiler, Built in Primary Secondary Piping w/ Taco 007e Pump
    Retail : $7,443.00 $5,210.10
    You Save (30%)

    • Utica SSC105003540210 UBSSC-50 Taco 50MBH 95% AFUE Natural Gas Wall Hung Stainless Steel Modulating Condensing Boiler, Built in Primary Secondary Piping w/ Taco 007e Pump

    • Utica SSC107503540210 UBSSC-075 Taco 75MBH 95% AFUE Natural Gas Wall Hung Stainless Steel Modulating Condensing Boiler, Built in Primary Secondary Piping w/ Taco 007e Pump

    • Utica SSC115003540210 UBSSC-150 Taco 150MBH 95% AFUE Natural Gas Wall Hung Stainless Steel Modulating Condensing Boiler, Built in Primary Secondary Piping w/ Taco 007e Pump

    • Utica SSC120003540210 UBSSC-200 Taco 200MBH 95% AFUE Natural Gas Wall Hung Stainless Steel Modulating Condensing Boiler, Built in Primary Secondary Piping w/ Taco 007e Pump

  9. Laars Neotherm Series Boilers
    Gas, Water
    Stainless Steel Heat Exchanger
    Direct Vent
    95% Efficiency
    Laars NTH-285FP Neotherm 285 Input MBtu - 95% AFUE Residential Modulating Condensing Natural Gas Boiler - Direct Vent
    Retail : $15,850.00 $9,034.50
    You Save (43%)

    • Laars NTH210NXN3 NTH210 Neotherm Residential 210,000 BTU 95% AFUE Natural Gas Modulating Condensing Boiler

    • Laars NTH-285FP Neotherm 285 Input MBtu - 95% AFUE Residential Modulating Condensing Natural Gas Boiler - Direct Vent

    • Laars NTH-399FP Neotherm High Efficiency Commercial 399,000 BTU 96.5% AFUE Natural Gas Modulating Condensing Boiler

    • Laars NTH-500FPCSD Neotherm High Efficiency Commercial 500,000 BTU 95% AFUE Natural Gas Modulating Condensing Boiler

    • Laars NTH-600FPCSD NTH600 Neotherm High Efficiency Commercial 600,000 BTU 96% AFUE Natural Gas Modulating Condensing Boiler

    • Laars NTH-750FPCSD Neotherm 750 Input MBtu - 97% AFUE Commercial Modulating Condensing Natural Gas Boiler - Direct Vent

  16. Green Mountain GMPVB Series
    Gas, Water
    Cast Iron Heat Exchanger
    Chimney Vent
    84.40% Efficiency
    Green Mountain FSB204203110204 GMPVB 42 Input MBtu - 84% AFUE Natural Gas Hot Water Boiler - Chimney / Side Wall Vented
    Retail : $3,025.00 $2,011.62
    You Save (34%)

    • Green Mountain FSB204203110204 GMPVB 42 Input MBtu - 84% AFUE Natural Gas Hot Water Boiler - Chimney / Side Wall Vented

    • Green Mountain FSB307503110304 GMPVB 75 Input MBtu - 84% AFUE Natural Gas Hot Water Boiler - Chimney or Sidewall vent

    • Green Mountain FSB411203110204 GMPVB 112 Input MBtu - 84% AFUE Natural Gas Hot Water Boiler - Chimney or Sidewall vent

    • Green Mountain FSB515003110304 GMPVB 150 Input MBtu - 84% AFUE Natural Gas Hot Water Boiler - Chimney or Sidewall vent

    • Green Mountain FSB618703110304 GMPVB 187 Input MBtu - 84% AFUE Natural Gas Hot Water Boiler - Chimney or Sidewall vent

    • Green Mountain FSB722503110204 GMPVB 225 Input MBtu - 84% AFUE Natural Gas Hot Water Boiler - Chimney or Sidewall vent

  17. Weil-McLain LGB Series 2 Water Boilers
    Gas, Water
    Cast Iron Heat Exchanger
    85.1% Efficiency
    Weil-Mclain 133-061-304 LGB-6 650 Input MBtu 85.1% AFUE Commercial Natural Gas Water Boiler Series 2
    Retail : $16,118.00 $12,733.22
    You Save (21%)

    • Weil-Mclain 133-041-304 LGB-4 400 Input MBtu 85.1% AFUE Commercial Natural Gas Water Boiler Series 2

    • Weil-Mclain 133-061-304 LGB-6 650 Input MBtu 85.1% AFUE Commercial Natural Gas Water Boiler Series 2

    • Weil-Mclain 133-081-304 LGB-8 910 Input MBtu 85.1% AFUE Commercial Natural Gas Water Boiler Series 2

    • Weil-Mclain 133-091-304 LGB-9 1040 Input MBtu 85.1% AFUE Commercial Natural Gas Water Boiler Series 2

    • Weil-Mclain 133-101-304 LGB-10 1170 Input MBtu 85.1% AFUE Commercial Natural Gas Water Boiler Series 2

    • Weil-Mclain 133-111-304 LGB-11 1300 Input MBtu 85.1% AFUE Commercial Natural Gas Water Boiler Series 2

    • Weil-Mclain 133-121-304 LGB-12 1430 Input MBtu 85.1% AFUE Commercial Natural Gas Water Boiler Series 2

  22. Williamson GWI Gas Water Boiler
    Gas, Water
    Cast Iron Heat Exchanger
    Direct Vent
    84% Efficiency
    Williamson GWI-190-N-T-S3-W GWI Series 3 High Efficiency 190,000 BTU 84% AFUE Natural Gas Direct Vent Water Boiler, Intermittent Pilot, Taco 007
    Retail : $5,368.00 $3,717.34
    You Save (31%)

    • Williamson GWI-048-N-T-S3-W GWI Series 3 High Efficiency 48,000 BTU 84% AFUE Natural Gas Direct Vent Water Boiler

    • Williamson GWI-058-N-T-S3-W GWI Series 3 High Efficiency 58,000 BTU 84% AFUE Natural Gas Direct Vent Water Boiler

    • Williamson GWI-090-N-T-S3-W GWI Series 3 High Efficiency 90,000 BTU 84% AFUE Natural Gas Direct Vent Water Boiler, Taco 007, LWCO

    • Williamson GWI-119-N-T-S3-W GWI Series 3 High Efficiency 119,000 BTU 84% AFUE Natural Gas Direct Vent Water Boiler, Taco 007, LWCO

    • Williamson GWI-158-N-T-S3-W GWI Series 3 High Efficiency 158,000 BTU 84% AFUE Natural Gas Direct Vent Water Boiler, Intermittent Pilot, Taco 007

    • Williamson GWI-190-N-T-S3-W GWI Series 3 High Efficiency 190,000 BTU 84% AFUE Natural Gas Direct Vent Water Boiler, Intermittent Pilot, Taco 007

  23. Burnham Series 3 Boilers
    Liquid Propane, Water
    Cast Iron Heat Exchanger
    Chimney Vent
    84% Efficiency
    Burnham 303BPI-G, Series 3, 70 Input MBtu, 84% AFUE, Electronic Ignition, Liquid Propane Gas Water Boiler, Chimney Vent, Limited Lifetime Warranty with Grundfos Alpha Pump
    Retail : $3,423.00 $2,601.48
    You Save (24%)

    • Burnham 303BPI-G, Series 3, 70 Input MBtu, 84% AFUE, Electronic Ignition, Liquid Propane Gas Water Boiler, Chimney Vent, Limited Lifetime Warranty with Grundfos Alpha Pump

    • Burnham 305BPI-G, Series 3, 140 Input MBtu, 84% AFUE, Electronic Ignition, Liquid Propane Gas Water Boiler, Chimney Vent, Limited Lifetime Warranty with Grundfos Alpha Pump

    • Burnham 306BPI-G, Series 3, 175 Input MBtu, 84% AFUE, Electronic Ignition, Liquid Propane Gas Water Boiler, Chimney Vent, Limited Lifetime Warranty with Grundfos Alpha Pump

    • Burnham 307BPI-G, Series 3, 210 Input MBtu, 84% AFUE, Electronic Ignition, Liquid Propane Gas Water Boiler, Chimney Vent, Limited Lifetime Warranty with Grundfos Alpha Pump

    • Burnham 308BPI-G, Series 3, 245 Input MBtu, 84% AFUE, Electronic Ignition, Liquid Propane Gas Water Boiler, Chimney Vent, Limited Lifetime Warranty with Grundfos Alpha Pump

    • Burnham 309BPI-G, Series 3, 280 Input MBtu, 84% AFUE, Electronic Ignition, Liquid Propane Gas Water Boiler, Chimney Vent, Limited Lifetime Warranty with Grundfos Alpha Pump

  24. Lochinvar Solution Series Residential Boilers
    Gas, Water
    Cast Iron Heat Exchanger
    Chimney Vent
    84% Efficiency
    Lochinvar 100136714 Solution 90 Input MBtu - 84% AFUE Residential Two Stage Ignition Natural Gas Water Boiler
    Retail : $3,030.00 $2,027.98
    You Save (33%)

    • Lochinvar 100136709 Solution 75 Input MBtu - 84% AFUE Residential Two Stage Ignition Natural Gas Water Boiler

    • Lochinvar 100136714 Solution 90 Input MBtu - 84% AFUE Residential Two Stage Ignition Natural Gas Water Boiler

    • Lochinvar 100136731 Solution 135 Input MBtu - 84% AFUE Residential Two Stage Ignition Natural Gas Water Boiler

    • Lochinvar 100136745 Solution 180 Input MBtu - 84% AFUE Residential Two Stage Ignition Natural Gas Water Boiler

    • Lochinvar 100136757 Solution 215 Input MBtu - 84% AFUE Residential Two Stage Ignition Natural Gas Water Boiler

    • Lochinvar 100136763 Solution 260 Input MBtu - 84% AFUE Residential Two Stage Ignition Natural Gas Water Boiler
Page
per page

Shop By
Now Shopping by
  1. System Type Water Remove This Item
Clear All
Shopping Options
Category
  1. Residential Boilers 80 items
  2. Commercial Boilers 23 items
  3. Natural Gas Boilers 360 items
  4. Propane Boilers 50 items
  5. Oil Boilers 96 items
  6. Water Boilers 469 items
Availability
System Type
Product Group Name
Burner
Coil
Pump
Discount% Range
Manufacturer
BTU Input Range
Fuel Type
Material
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.