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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

BWM

Performance™ Series Modulating Gas Boiler

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Model Family: BWM
Annual Fuel Utilization Efficiency: Up to 95% AFUE
Energy Star Rated: ENERGY STAR®
Heat Exchanger Warranty: 15-year heat exchanger limited parts warranty
Warranty: 10-year limited parts warranty with timely registration
Manufacturer's Stated Benefits:
  • Modulating
  • Gas-fired
  • Integrated boiler control
  • Stainless steel heat exchanger
  • Built in primary/secondary piping
BW9

Performance™ 90 Boiler

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Model Family: BW9
Annual Fuel Utilization Efficiency: 90% AFUE
Energy Star Rated: ENERGY STAR®
Heat Exchanger Warranty: 15-year parts limited warranty on heat exchanger
Warranty: 5-year parts limited warranty
Manufacturer's Stated Benefits:
  • Integrated boiler control
  • Cast-aluminum heat exchanger
  • Pressure-relief valve
  • Gas-fired, hot-water output
  • Stainless steel burners
  • Dependable, hot surface ignition
  • Single-stage gas valve
BW3

Performance ™ 84 Boiler

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Model Family: BW3
Annual Fuel Utilization Efficiency: Up to 84.4% AFUE
Energy Star Rated: No
Heat Exchanger Warranty: 20-year parts limited warranty on heat exchanger
Warranty: 5-year parts limited warranty
Manufacturer's Stated Benefits:
  • Integrated boiler control
  • Cast-iron heat exchanger
  • Pressure-relief valve
  • Gas-fired, hot-water output
  • Stainless titanium alloy burners
  • Electronic spark to pilot ignition
  • Single-stage gas valve

Lennox Gas Boiler

GWM-IE

High-efficiency, gas-modulating condensing water boiler

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Model Family: GWM-IE
Annual Fuel Utilization Efficiency: Up to 95% AFUE
Energy Star Rated: ENERGY STAR® Qualified
Heat Exchanger Warranty: 15-Year Limited Warranty on heat exchanger
Warranty: 10-Year Limited Warranty on covered components
Manufacturer's Stated Benefits:
  • Electronic ignition control--monitors water temperature and maximizes efficiency by turning on the burner only when needed
  • Stainless steel, finned-tube heat exchanger design--converts waste energy into usable heat
  • Sealed combustion--minimizes fan noise and provides quiet, soothing heat
  • Modulating capability--allows burner to fire at a rate as low as 20% of its full capacity to perfectly match your comfort needs
  • Stainless steel, finned-tube heat exchanger design--is self-cleaning and extremely durable
  • Stainless steel mesh burner--provides greater resistance to corrosion and oxidation than aluminized steel burners
  • CPVC flue condensate collector--is corrosion resistant and eliminates the use of metal in venting area
GWB9-IH

High-efficiency, gas-fired water boiler

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Model Family: GWB9-IH
Annual Fuel Utilization Efficiency: Up to 90% AFUE
Energy Star Rated: ENERGY STAR® Qualified
Heat Exchanger Warranty: 15-Year Limited Warranty on heat exchanger
Warranty: 10-Year Limited Warranty on covered components
Manufacturer's Stated Benefits:
  • 15-Year Limited Warranty on heat exchanger
  • Cast-aluminum heat exchanger--transfers heat up to three times faster than traditional cast iron exchangers
  • Electronic ignition control--monitors water temperature and maximizes efficiency by turning on the burner only when needed
  • Sealed combustion--minimizes fan noise and provides quiet, soothing heat
  • Easy integration--low temperature supply and return water makes the unit compatible with existing radiant and underfloor system
  • Durable cabinet--heavy-gauge steel cabinet and baked-on paint finish
  • Compact and versatile--allows easy installation in a basement, closet or alcove enclosure, and can be fueled by natural or LP*
GWB8-IE

Standard-efficiency, gas-fired water boiler

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Model Family: GWB8-IE
Annual Fuel Utilization Efficiency: Up to 84.4% AFUE
Energy Star Rated: N/A
Heat Exchanger Warranty: 20-Year Limited Warranty on heat exchanger
Warranty: 5-Year Limited Warranty on covered components
Manufacturer's Stated Benefits:
  • Electronic ignition control--monitors water temperature and maximizes efficiency by turning on the burner only when needed
  • Thick fiberglass insulation--minimizes off-cycle heat and energy loss
  • Easy integration--works with traditional radiator systems to provide precise heating comfort, regardless of outdoor temperature
  • Cast iron heat exchanger--designed for years of long-lasting reliability
  • Titanium burners--provide greater resistance to corrosion and oxidation than competitive stainless or aluminized stell burners
  • Versatile installation--available in six sizes for installation virtually anywhere in the home
GWB8-E

Standard-efficiency, gas-fired water boiler

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Model Family: GWB8-E
Annual Fuel Utilization Efficiency: Up to 83.9% AFUE
Energy Star Rated: N/A
Heat Exchanger Warranty: 20-Year Limited Warranty on heat exchanger
Warranty: 5-Year Limited Warranty on covered components
Manufacturer's Stated Benefits:
  • Electronic ignition control--monitors water temperature and maximizes efficiency by turning on the burner only when needed
  • Thick fiberglass insulation--minimizes off-cycle heat and energy loss
  • Vent damper--automatically closes when the boiler turns off, maintaining energy efficiency
  • Easy integration--works with traditional radiator systems to provide precise heating comfort, regardless of outdoor temperature
  • Cast iron heat exchanger--designed for years of long-lasting reliability
  • Versatile installation--available in nine sizes for installation virtually anywhere in the home
  • Stainless steel burners--provide greater resistance to corrosion and oxidation

Oil Boiler Product Offering

BW5

Performance™ 86 Boiler

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Model Family: BW5
Annual Fuel Utilization Efficiency: Up to 86.5% AFUE
Energy Star Rated: ENERGY STAR®
Heat Exchanger Warranty: 20-year heat exchanger limited warranty
Warranty: 10-year parts limited warranty
Manufacturer's Stated Benefits:
  • Integrated boiler control
  • Cast-iron heat exchanger
  • Pressure-relief valve
  • Oil-fired, hot-water output
  • Tankless coil domestic hot-water production
  • Beckett or Riello oil burners
  • Electronic spark to pilot ignition

Lennox Oil Boiler

COWB3

Standard-efficiency, oil-fired water boiler

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Model Family: COWB3
Annual Fuel Utilization Efficiency: Up to 85.2% AFUE
Energy Star Rated: N/A
Heat Exchanger Warranty: 20-Year Limited Warranty on heat exchanger
Warranty: 5-Year Limited Warranty on covered components
Manufacturer's Stated Benefits:
  • Beckett® oil burner--sets the standard for reliable, fuel-efficient heating
  • Domestic hot water coil--optional tankless coil provides hot water for virtually no cost throughout the colder months
  • Sealed-combustion design--provides quiet, healthy and draft-free heating
  • Easy integration--works with traditional radiator systems to provide precise heating comfort, regardless of outdoor temperature
  • Cast iron heat exchanger--designed for long-lasting durability