Safety Recall Information: High Altitude Gas Boilers
Read Notice Order Field Modification Kits
U.S. Boiler Company
Find Rebates
  • Products
    • Product Selector
    • Find a Boiler
    • Special Market Boilers
    • Boiler Control Systems
    • Product Literature
    • Technical Literature
    • Boilers not of Current Manufacture
    • Electric Products
  • Contractors
    • Contractor Page
    • U.S. Boiler University
    • Credits & Rebates
  • Distributors
    • Distributor Page
    • Customer Service Portal
  • Homeowners
    • Homeowner Page
    • Find a Contractor
    • Credits & Rebates
    • Register Product
  • Contact Us
    • Contact Us
    • Careers
    • Flooded Boiler Notice
Login
Product Selector Find a Contractor Product Literature Technical Literature
 
85% Efficiency

ESC

Gas, Water
Cast Iron Heat Exchanger

The Perfect Balance Between Efficiency and Practicality

The ESC gas boiler is a modern, versatile boiler designed to maximize the comfort and efficiency of nearly any heating system. It delivers the perfect balance of energy-saving performance, durability, and features for homes where a chimney-vented boiler is not an option. The ESC features an advanced cast iron heat exchanger, and a well-insulated heavy-duty steel base. Additionally, The ESC features the IQ Control System which not only monitors boiler operation, but also gives the ability to add additional energy saving features to the boiler. By striking a balance between the types of advanced energy saving features typically seen on high-end condensing boilers and the tried-and-true durability of cast iron boilers, the ESC is uniquely able to offer homeowners the best of both worlds!

  • Direct vent (horizontal or vertical) or Power Vent
  • Natural or LP gas
  • Ideal for installations where chimney venting is not possible
  • Industry standard tapping locations fit thousands of existing boiler installations
  • Optional LCD touch screen for system monitoring
  • Outdoor reset available – Increases efficiency by 15 – 20%
  • Reliable, American-made cast iron heat exchanger
  • Lifetime limited warranty
  • Optional 5 or 10-year parts & limited labor warranty
  • Extended Boiler Warranty Plans are administered by CornerStone United, Inc.
  • Technical Manuals & Information
  • IQ Boiler Control System IQ Boiler Control System
  • Related Water Heater Related Water Heater
  • Manufacturer’s Warranty Manufacturer’s Warranty
  • Extended Warranty Plan Extended Warranty Plan
  • 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.
  • about
  • contact us
  • find a contractor
  • find a distributor
  • rebates & offers
  • warranty
©2025 U.S. Boiler Company, LLC. All Rights Reserved. | Sitemap | Articles | Privacy Policy