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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.

From single-family homes to large-scale apartment complexes, the Weil-McLain name is synonymous with warmth and comfort. Our high quality gas boilers can be designed to fit the tightest spaces, and feature boiler controls that are easy to use and optimize operation for comfort while maximizing energy savings.

Gas Boiler Product Offering

Eco Tec

ECO Tec

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Model Family: Eco Tec
Annual Fuel Utilization Efficiency: 95% AFUE
Energy Star Rated: ENERGY STAR®
Heat Exchanger Warranty: 12-year limited warranty
Warranty: 2-year Limited Warranty
Manufacturer's Stated Benefits:
  • Heat only sizes: 80, 110, 150 , 199 MBH
  • Combi sizes: 110,150,199 MBH (up to 5.4 GPM)
  • Wall or floor base mounting options
  • Stainless steel firetube heat exchanger design
  • Unity 2.0 control with color touch screen
EVG

Evergreen Gas Boiler

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Model Family: EVG
Annual Fuel Utilization Efficiency: 95% AFUE
Energy Star Rated: ENERGY STAR® Most Efficient 95% AFUE* rating
Heat Exchanger Warranty: 12 Year Heat Exchanger Warranty
Warranty: 5 Year Parts Warranty with Registration within 90 days of installation
Manufacturer's Stated Benefits:
  • Stainless Steel Fire Tube Heat Exchanger with non-metallic base
  • Floor Standing Boiler with optional wall mount kit
  • Modulating Condensing Boiler with 10:1 Turndown
  • 4 Pump/Auxiliary Outputs
  • Up to 8 Multiple Boiler Control with lead/lag rotation
  • Modbus® to BMS connectivity
  • Each input can be assigned to a priority (Up to 3 Priorities)
  • Multiple Inputs can be assigned one priority (Zone Based Control)
  • All Lag Boiler Inputs and Output can be used
  • 0-10 Volt Input (modulation or set point)
  • Configurable Auxiliary Input/Output System
  • Boiler Circulator Included
CGI Series 4

CGi Gas Boiler Series 4

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Model Family: CGI Series 4
Annual Fuel Utilization Efficiency: 84% AFUE
Energy Star Rated: No
Heat Exchanger Warranty: 20-Year Limited Warranty
Warranty: 2- year Parts Limited Warranty
Manufacturer's Stated Benefits:
  • Gas fired water boiler with cast iron sections
  • Natural draft and direct exhaust capability
  • Can be used with natural or propane gas
  • Now with built-in low water cut off functionality
  • Intermittent electronic ignition with standard components for easy servicing
  • No vertical draft hood and no mechanical vent damper
  • Compact design saves valuable living space
CGA Series 3

CGa Gas Boiler Series 3

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Model Family: CGA Series 3
Annual Fuel Utilization Efficiency: 84% AFUE
Energy Star Rated: No
Heat Exchanger Warranty: 20-Year Limited Warranty
Warranty: 2-Year Parts limited Warranty
Manufacturer's Stated Benefits:
  • Natural draft, silent operation
  • Compact design saves valuable living space
  • Stainless steel burners for quieter ignition, longer life, and improved combustion
  • Gas fired water boiler with cast iron sections
  • Easily accessible controls, vertical flueways and top cleaning for easy and quick servicing
  • Now with built-in low water cut off functionality