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Boilers

If your home has hot water radiators in each room for heat, you have a boiler to heat the water. Like a furnace, the energy efficiency of a boiler is given as the Annual Fuel Utilization Efficiency (AFUE). Boilers manufactured since 1992 must have an AFUE of at least 80%. We offer a complete line of gas and oil boilers starting at 80% AFUE and up.

Gas Boiler Product Offering

MAC 205

MAC High Efficiency Wall Mounted Modulating Condensing Boiler

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Model Family: MAC 205
Annual Fuel Utilization Efficiency: 95% AFUE
Energy Star Rated: ENERGY STAR® 2018 Most Efficient
Heat Exchanger Warranty: 10 year limited warranty shall apply to only the Original Purchaser
Warranty: 10 year limited warranty shall apply to only the Original Purchaser
Manufacturer's Stated Benefits:
  • Boiler with AI [Artificial Intelligence] Control Technology
  • Automatically sets up the boiler during initial startup
  • Recognizes Natural or LP Gas, no conversion kit required
  • Primary/Secondary LABOR SAVER™ Manifold Included
  • FREE 2-YEAR PARTS & LABOR
  • 7:1 Turndown Modulation Ratio in DHW Mode
  • 5.5:1 Turndown Modulation Ratio in Heating Mode
  • 316L Stainless Steel Heat Exchanger and Burner.
  • Assembled Boiler with Jacket, Induced Draft Fan, High limit sensors
  • 30psi Relief Valve, Low Water Pressure Switch, Temperature/Pressure Gauge
MAH 165

MAH High Efficiency Wall Mounted Modulating Condensing Boiler

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Model Family: MAH 165
Annual Fuel Utilization Efficiency: 95% AFUE
Energy Star Rated: ENERGY STAR® 2018 Most Efficient
Heat Exchanger Warranty: 10 year limited warranty shall apply to only the Original Purchaser
Warranty: 10 year limited warranty shall apply to only the Original Purchaser
Manufacturer's Stated Benefits:
  • Boiler with AI [Artificial Intelligence] Control Technology
  • Automatically sets up the boiler during initial startup
  • Recognizes Natural or LP Gas, no conversion kit required
  • Primary/Secondary LABOR SAVER™ Manifold Included
  • FREE 2-YEAR PARTS & LABOR
  • 7:1 Turndown Modulation Ratio in DHW Mode
  • 5.5:1 Turndown Modulation Ratio in Heating Mode
  • 316L Stainless Steel Heat Exchanger and Burner.
  • Assembled Boiler with Jacket, Induced Draft Fan, High limit sensors
  • 30psi Relief Valve, Low Water Pressure Switch, Temperature/Pressure Gauge
MAC 150

MAC High Efficiency Wall Mounted Modulating Condensing Boiler

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Model Family: MAC 150
Annual Fuel Utilization Efficiency: 95% AFUE
Energy Star Rated: ENERGY STAR® 2018 Most Efficient
Heat Exchanger Warranty: 10 year limited warranty shall apply to only the Original Purchaser
Warranty: 10 year limited warranty shall apply to only the Original Purchaser
Manufacturer's Stated Benefits:
  • Boiler with AI [Artificial Intelligence] Control Technology
  • Automatically sets up the boiler during initial startup
  • Recognizes Natural or LP Gas, no conversion kit required
  • Primary/Secondary LABOR SAVER™ Manifold Included
  • FREE 2-YEAR PARTS & LABOR
  • 7:1 Turndown Modulation Ratio in DHW Mode
  • 5.5:1 Turndown Modulation Ratio in Heating Mode
  • 316L Stainless Steel Heat Exchanger and Burner.
  • Assembled Boiler with Jacket, Induced Draft Fan, High limit sensors
  • 30psi Relief Valve, Low Water Pressure Switch, Temperature/Pressure Gauge
MAH 125

MAH High Efficiency Wall Mounted Modulating Condensing Boiler

View Brochure
Model Family: MAH 125
Annual Fuel Utilization Efficiency: 95% AFUE
Energy Star Rated: ENERGY STAR® 2018 Most Efficient
Heat Exchanger Warranty: 10 year limited warranty shall apply to only the Original Purchaser
Warranty: 10 year limited warranty shall apply to only the Original Purchaser
Manufacturer's Stated Benefits:
  • Boiler with AI [Artificial Intelligence] Control Technology
  • Automatically sets up the boiler during initial startup
  • Recognizes Natural or LP Gas, no conversion kit required
  • Primary/Secondary LABOR SAVER™ Manifold Included
  • FREE 2-YEAR PARTS & LABOR
  • 7:1 Turndown Modulation Ratio in DHW Mode
  • 5.5:1 Turndown Modulation Ratio in Heating Mode
  • 316L Stainless Steel Heat Exchanger and Burner.
  • Assembled Boiler with Jacket, Induced Draft Fan, High limit sensors
  • 30psi Relief Valve, Low Water Pressure Switch, Temperature/Pressure Gauge