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84% Efficiency

Series 2

Gas, Water
Cast Iron Heat Exchanger

U.S. Boiler Company Series 2 Cast Iron Gas Water Boiler

Legendary Reliability and Value, Improved for Even Higher Performance

For decades, the Series 2 has been the industry benchmark for cast iron gas-fired boilers. Its time proven design blends a long lasting cast iron heat exchanger with a heavy-duty steel base and high quality boiler controls to provide exceptional value for the homeowner. Heating professionals across the country have relied on the Series 2 to provide their customers years of comfortable, low maintenance operation making it an exceptional value in your home.

 

Product Features

  • 84% AFUE efficiency upgrade
    • Meets DOE-2021 government requirements
  • 8 sizes available, 38-276 MBH
  • Chimney vented
  • Standard tapping locations and intuitive electronic controls reduce installation costs
  • Direct replacement for thousands of existing boiler installations
  • Concealed, protected controls and components
  • Lifetime limited warranty

 

Control Highlights

  • INCLUDES pre-installed IDL-1200 low water cut off
  • Easy-to-use three button operation and optional adjustments
  • Two pump relays for an additional heating zone or indirect water heater

 

Control Features for Homeowner Comfort and Savings

  • Energy-saving “thermal purge” circulates residual heating water before burning fuel
  • Domestic hot water priority feature ensures uninterrupted supply of hot water for indirect water heaters

 

 

  • Product Data Sheet & Specifications
  • Technical Manuals & Information
U.S. Boiler Company Series 2 Cast Iron Gas Water Boiler
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  • Manufacturer's Warranty Manufacturer's Warranty
  • AHRI Energy Labels & Product Certification AHRI Energy Labels & Product Certification
U.S. Boiler Company is a leading manufacturer of home heating equipment, water boilers, steam boilers, hot water heaters, radiators and boiler control systems.
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