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Boilers

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

GCWB95

High efficiency, modulating gas-fired condensing combination water boiler

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Model Family: GCWB95
Annual Fuel Utilization Efficiency: 95% AFUE
Energy Star Certified: 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:
  • Sizes/Capacities 22-150 mbh, 29.5-205 mbh, 22-150 mbh
  • Faster heating times deliver both home heating and hot water on demand.
  • Self commissioning allows this combination boiler to make its own adjustments during installation
  • Direct Spark Ignition (DSI)
  • Pre-mix Stainless Steel Burner
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 Certified: 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:
  • 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*
GWB84-IE

Standard-efficiency, gas-fired water boiler

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Model Family: GWB84-IE
Annual Fuel Utilization Efficiency: Up to 84.4% AFUE
Energy Star Certified: N/A
Heat Exchanger Warranty: 20-Year Limited Warranty on heat exchanger
Warranty: 5-Year Limited Warranty on covered components-This product may be eligible for 10-Year Limited Warranty coverage with product registration.
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
GSB8-E

Standard- efficiency, gas- fired steam boiler

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Model Family: GSB8-E
Annual Fuel Utilization Efficiency: Up to 82.7% AFUE
Energy Star Certified: N/A
Heat Exchanger Warranty: 12-Year Limited Warranty on Heat Exchanger
Warranty: 5-Year Limited Warranty on covered components-This product may be eligible for 10-Year Limited Warranty coverage with product registration.
Manufacturer's Stated Benefits:
  • Titanium Burner
  • Electronic Ignition
  • Available in 7 different sizes for a perfect fit nearly anywhere in your home
  • Layers of thick fiberglass insulation minimize heat loss and on-off cycling.
  • An automatic vent damper closes when the GSB8-E shuts off, preventing wasted heat.
  • Electronic Low Water Cut off