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 boilers starting at 80% AFUE and up.

Gas Boiler Product Offering

Feature Comparison
Gas Boiler Product Offering
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Gas Boiler Product Offering
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Gas Boiler Product Offering
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Model FamilyBWMBW9BW3
Annual Fuel Utilization EfficiencyUp to 95% AFUE90% AFUEUp to 84.4% AFUE
Energy Star RatedENERGY STARĀ®All sizes are ENERGY STARĀ® qualifiedNo
Heat Exchanger Warranty15-year heat exchanger limited warranty15-year heat exchanger limited warranty20-year heat exchanger limited warranty
Warranty10-year limited parts warranty with timely registration10-year parts limited warranty10-year parts limited warranty
Manufacturer's Stated Benefits
  • Gas valve with 5:1 turn-down ratio
  • Built-In boiler circulator pump
  • Built-In Primary/Secondary Piping
  • Built-In Low Water Cut Off
  • Outdoor Temperature sensor Included
  • Gas-fired, hot-water output
  • Stainless Steel heat exchanger
  • Intermittent direct spark to pilot ignition
  • Integrated multiple boiler
  • Control capability for up to 16 boilers
  • Electronic spark to pilot ignition
  • Direct Vent and Sidewall venting
  • Condensate drain with built in trap
  • Pre-mix venturi burner
  • Propane convertible
  • 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
  • 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