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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

GB162

Gas Condensing Boiler

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Model Family: GB162
Annual Fuel Utilization Efficiency: Up to 93% AFUE
Energy Star Rated: N/A
Heat Exchanger Warranty: Limited Lifetime Warranty
Warranty: 5 Year- Limited Warranty with proper registration
Manufacturer's Stated Benefits:
  • Cascade up to 8 boilers and common vent up to 4
  • Ultra-High Efficiencies
  • Ideal for Commercial Buildings and Light, Large Scale Residential Projects
  • Unique Manifold for Easy, Consistent Installation of Single Units or Cascades
  • Innovative ALU Plus condensing heat exchanger for the longest life and easy servicing
  • No Minimum Flow Rate
  • Cascade kits includes boiler stands, low loss header, supply & return
GC144

Gas Conventional Boiler

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Model Family: GC144
Annual Fuel Utilization Efficiency: 85% AFUE
Energy Star Rated: No
Heat Exchanger Warranty: Limited Lifetime Heat Exchanger Warranty
Warranty: One Year Limited Warranty from date of original installation
Manufacturer's Stated Benefits:
  • Stainless Steel Corrosion Resistant Premix Burners
  • 3 Models with inputs from 74,000 to 132,500 BTU/H
  • Compact boiler with advanced low temperature technology
  • Side Piping Design for Convenient Boiler Retrofit Installation
  • CSA approved for installation on combustible floors
G234X

Gas Conventional Boiler

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Model Family: G234X
Annual Fuel Utilization Efficiency: Up to 84.8 % AFUE
Energy Star Rated: No
Heat Exchanger Warranty: 10 Year Limited Warranty
Warranty: 1 Year Limited warranty after initial installation
Manufacturer's Stated Benefits:
  • Atmospheric gas boilers
  • Perfect for large residential and/or light commercial applications
  • Full 3.5in of thermal insulation for minimal standby heat losses
  • Offers low emissions with Premixed Burner Technology
  • Durable, quiet and efficient
  • Stainless steel premixed burners
  • Low emissions with Premixed Burner Technology
  • Factory tested for natural gas operation
  • All models easily convert to propane
  • Complete burner tray is easily removed

Oil Boiler Product Offering

G115WS

Buderus G115 Oil Boiler

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Model Family: G115WS
Annual Fuel Utilization Efficiency: 87% AFUE
Energy Star Rated: N/A
Heat Exchanger Warranty: 10 Year Heat Exchanger Limited Warranty
Warranty: One year from initial installation - Limited Warranty for Residential Boilers
Manufacturer's Stated Benefits:
  • Engineered to extract and deliver more heat from every fuel dollar
  • Special compounds provide a gas-tight seal for safe and efficient operation
  • Full Swing Burner Door for Excellent Serviceability
  • Optimized combustion with positive pressure-fired boilers and tailored chamber geometry
  • Minimal stack losses with the modified three-pass flue design's large heat transfer areas.
  • Low standby losses with a full 3in jacket of thermal insulation around the entire block
G215

Buderus G215 Oil Boiler

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Model Family: G215
Annual Fuel Utilization Efficiency: 86% AFUE
Energy Star Rated: N/A
Heat Exchanger Warranty: 10 Year Heat Exchanger Limited Warranty
Warranty: One year from initial installation - Limited Warranty for Residential Boilers
Manufacturer's Stated Benefits:
  • Rear tappings and flue connection to streamline appearance
  • Baffles and clips for adjusting stack temperatures
  • Heavy gauge blue enameled jacket for durability and attractiveness
  • 5 models with outputs from 134 MBH to 294 MBH
  • Full swing burner door hinged on either side allowing for easy access
  • Operates at low return water temperatures

Bosch Condensing Boilers

ZWB

Greenstar Gas-Fired Wall Mounted Combi Condensing Boiler

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Model Family: ZWB
Annual Fuel Utilization Efficiency: 95% AFUE
Energy Star Rated: Energy Star Rated
Heat Exchanger Warranty: Limited lifetime heat exchanger warranty
Warranty: 5-year parts & labor warranty
Manufacturer's Stated Benefits:
  • Aluminum-Silicon heat exchanger delivers high efficiency
  • Low NOx emissions ahead of 2012 SCAQMD regulations
  • Simple, intelligent control options optimize efficiency and fuel consumption
  • Low electrical consumption when the boiler is in standby mode
  • Electronic ignition
  • Anti-cycle and modulation control
  • All models available as NG or LP
  • Special insulation ensures ultra-quiet operation
  • Compact dimensions and built-in frost protection offer flexibility for location of installation
  • ECO mode for energy saving fuel consumption
  • Exclusive safety feature - keypad safety lock prevents unwanted tampering with heating controls
ZBR

Gas-Fired Greenstar Wall Mounted Condensing Boiler- Heating Only

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Model Family: ZBR
Annual Fuel Utilization Efficiency: 95% AFUE
Energy Star Rated: Energy Star Rated
Heat Exchanger Warranty: Limited lifetime heat exchanger warranty
Warranty: 5-year parts & labor warranty
Manufacturer's Stated Benefits:
  • Reliable performance with low emissions
  • Ultra-quiet operation
  • Compact wall-hung design
  • Low electrical consumption when the boiler is in standby mode
  • Electronic ignition
  • Anti-cycle and modulation control
  • Exclusive safety feature - keypad safety lock prevents unwanted tampering with the heating controls
  • Eligible for Tax Credit where offered
  • Greenstar
KWB

Greenstar Gas-Fired Floor Standing Combi Condensing Boiler

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Model Family: KWB
Annual Fuel Utilization Efficiency: 95% AFUE
Energy Star Rated: Energy Star Rated
Heat Exchanger Warranty: Limited lifetime heat exchanger warranty
Warranty: 5-year parts & labor warranty
Manufacturer's Stated Benefits:
  • Aluminum-Silicon heat exchanger delivers high efficiency
  • Low NOx emissions ahead of 2012 SCAQMD regulations
  • Simple, intelligent control options optimize efficiency and fuel consumption
  • Low electrical consumption when the boiler is in standby mode
  • Electronic ignition
  • Anti-cycle and modulation control
  • All models available as NG or LP
  • Special insulation ensures ultra-quiet operation
  • Compact dimensions and built-in frost protection offer flexibility for location of installation
  • ECO mode for energy saving fuel consumption
  • Exclusive safety feature - keypad safety lock prevents unwanted tampering with heating controls
4000-5200

Bosch Singular Combi Boilers

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Model Family: 4000-5200
Annual Fuel Utilization Efficiency: 95% AFUE
Energy Star Rated: N/A
Heat Exchanger Warranty: 10-year Heat Exchanger limited warranty
Warranty: 5-Year Parts limited warranty
Manufacturer's Stated Benefits:
  • Up to 7.7 gallons per minute of domestic hot water production
  • Turndown ratio up to 10:1
  • Built-in boiler circulator pump
  • Stainless steel primary & secondary heat exchangers for cost-effective, reliable performance