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 361-396 of 472

Set Descending Direction

  1. Weil-McLain CGi Gas Boilers Series 4
    Gas, Water
    Cast Iron Heat Exchanger
    Induced Draft
    84% Efficiency
    https://www.afsupply.com/media/attribute/swatch/swatch_thumb/110x90/p/u/pump_1.png
    With Pump
    Weil-Mclain 381-359-006 CGI-5 119 Input MBtu 84% AFUE Cast Iron Natural Gas Water Boiler Series 4 with Taco T-007E Pump
    Retail : $4,766.00 $3,622.16
    You Save (24%)

    • Weil-Mclain 381-359-000 CGI-25 48 Input MBtu 84% AFUE Cast Iron Natural Gas Water Boiler Series 4 with Taco T-007E Pump

    • Weil-Mclain 381-359-002 CGI-3 58 Input MBtu 84% AFUE Cast Iron Natural Gas Water Boiler Series 4 with Taco T-007E Pump

    • Weil-Mclain 381-359-004 CGI-4 90 Input MBtu 84% AFUE Cast Iron Natural Gas Water Boiler Series 4 with Taco T-007E Pump

    • Weil-Mclain 381-359-006 CGI-5 119 Input MBtu 84% AFUE Cast Iron Natural Gas Water Boiler Series 4 with Taco T-007E Pump

    • Weil-Mclain 381-359-008 CGI-6 158 Input MBtu 84% AFUE Cast Iron Natural Gas Water Boiler Series 4 with Taco T-007 Pump

    • Weil-Mclain 381-359-010 CGI-7 190 Input MBtu 84% AFUE Cast Iron Natural Gas Water Boiler Series 4 with Taco T-007 Pump

    • Weil-Mclain 381-359-012 CGI-8 222 Input MBtu 84% AFUE Cast Iron Natural Gas Water Boiler Series 4 with Taco T-007 Pump

  2. Weil-McLain LGB Series 2 Water Boilers
    Gas, Water
    Cast Iron Heat Exchanger
    Chimney Vent
    85.1% Efficiency
    Weil-Mclain 133-041-304 LGB-4 400 Input MBtu 85.1% AFUE Commercial Natural Gas Water Boiler Series 2
    Retail : $11,189.00 $8,839.31
    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

  4. Triangle Tube Prestige Solo Series Boilers
    Gas, Water
    Stainless Steel Heat Exchanger
    Direct Vent
    95% Efficiency
    Triangle Tube PA155 153 Input MBtu - 95% AFUE ACVMax Control Condensing Natural Gas/Liquid Propane Boiler - Direct Vent
    Retail : $5,755.00 $4,535.52
    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

  9. Laars Pennant Series water Boiler
    Gas, Water
    Cast Iron Heat Exchanger
    Direct Vent
    85% Efficiency
    Laars PNCH-1250 Pennant 1250 Input MBtu - 85% AFUE Commercial Natural Gas/Liquid Propane Water Boiler - Direct Vent
    Retail : $35,719.00 $26,789.25
    You Save (25%)

    • Laars PNCH-500 Pennant 500 Input MBtu - 85% AFUE Commercial Natural Gas/Liquid Propane Water Boiler - Direct Vent

    • Laars PNCH-750 Pennant 750 Input MBtu - 85% AFUE Commercial Natural Gas/Liquid Propane Water Boiler - Direct Vent

    • Laars PNCH-1000 Pennant 999 Input MBtu - 85% AFUE Commercial Natural Gas/Liquid Propane Water Boiler - Direct Vent

    • Laars PNCH-1250 Pennant 1250 Input MBtu - 85% AFUE Commercial Natural Gas/Liquid Propane Water Boiler - Direct Vent

    • Laars PNCH-1500 Pennantâ„¢1500 input MBtu 85% AFUE Hydronic Water Boiler

    • Laars PNCH-1750 Pennant 1,750 Input MBtu - 85% AFUE Commercial Natural Gas/Liquid Propane Water Boiler - Direct Vent

    • Laars PNCH-2000 Pennant 1,999 Input MBtu - 85% AFUE Commercial Natural Gas/Liquid Propane Water Boiler - Direct Vent

  10. Laars Neotherm Series Boilers
    Gas, Water
    Stainless Steel Heat Exchanger
    96% Efficiency
    Laars NTH-600FPCSD NTH600 Neotherm High Efficiency Commercial 600,000 BTU 96% AFUE Natural Gas Modulating Condensing Boiler
    Retail : $30,685.00 $21,479.50
    You Save (30%)

    • 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

  15. Peerless PUREFIRE Series Boilers
    Gas, Water
    Stainless Steel Heat Exchanger
    Direct Vent
    95.0% Efficiency
    Peerless 0007002 PF-80 PUREFIRE 80 Input MBtu - 95% AFUE Residential Natural Gas Water Boiler - Direct Vent
    Retail : $6,089.00 $4,566.75
    You Save (25%)

    • Peerless 0007002 PF-80 PUREFIRE 80 Input MBtu - 95% AFUE Residential Natural Gas Water Boiler - Direct Vent

    • Peerless 00703 PF-110 PUREFIRE 110 Input MBtu, 95% AFUE Residential Natural Gas Water Boiler, Direct Vent

    • Peerless 0007004 PF-140 PUREFIRE 140 Input MBtu - 95% AFUE Residential Natural Gas Water Boiler - Direct Vent

    • Peerless 00705 PF-210 PUREFIRE 210 Input MBtu, 95% AFUE Residential Natural Gas Water Boiler, Direct Vent

    • Peerless 00741 PF-300 PUREFIRE 300 Input MBtu, 96.5% AFUE Commercial Natural Gas Water Boiler, Direct Vent

    • Peerless 00706 PF-399 PUREFIRE 399 Input MBtu, 95% AFUE Commercial Natural Gas Water Boiler, Direct Vent

  17. Green Mountain GMPVB Series
    Gas, Water
    Cast Iron Heat Exchanger
    Chimney Vent
    84.00% Efficiency
    Green Mountain FSB722503110204 GMPVB 225 Input MBtu - 84% AFUE Natural Gas Hot Water Boiler - Chimney or Sidewall vent
    Retail : $3,756.30 $2,629.41
    You Save (30%)

    • 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

  22. Lochinvar Solution Series Residential Boilers
    Gas, Water
    Cast Iron Heat Exchanger
    Chimney Vent
    84% Efficiency
    Lochinvar 100136709 Solution 75 Input MBtu - 84% AFUE Residential Two Stage Ignition Natural Gas Water Boiler
    Retail : $2,911.00 $1,948.33
    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

  26. Weil-McLain Ultra S 4 Gas Boilers
    Gas, Water
    Aluminum Heat Exchanger
    Direct Vent
    92.5% Efficiency
    Weil-Mclain 383-500-737 Ultra 299 Input MBtu 92.5% AFUE Natural Gas Condensing Water Boiler Series 4 - Direct Exhaust Or Direct Vent
    Retail : $9,667.00 $7,636.93
    You Save (21%)

    • Weil-Mclain 383-500-732 Ultra 80 Input MBtu 93.5% AFUE Natural Gas Condensing Water Boiler Series 4 - Direct Exhaust Or Direct Vent

    • Weil-Mclain 383-500-734 Ultra 105 Input MBtu 94% AFUE Natural Gas Condensing Water Boiler Series 4 - Direct Exhaust Or Direct Vent

    • Weil-Mclain 383-500-735 Ultra 155 Input MBtu 93.5% AFUE Natural Gas Condensing Water Boiler Series 4 - Direct Exhaust Or Direct Vent

    • Weil-Mclain 383-500-736 Ultra 230 Input MBtu 94.1% AFUE Natural Gas Condensing Water Boiler Series 4 - Direct Exhaust Or Direct Vent

    • Weil-Mclain 383-500-737 Ultra 299 Input MBtu 92.5% AFUE Natural Gas Condensing Water Boiler Series 4 - Direct Exhaust Or Direct Vent

    • Weil-Mclain 383-500-738 Ultra 399 Input MBtu 91.7% AFUE Natural Gas Condensing Water Boiler Series 4 - Direct Exhaust Or Direct Vent
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.