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95% Efficiency

Alta

High Efficiency Gas Boiler - Combi & Heating Models Available!
Stainless Steel Heat Exchanger

U.S. Boiler Compnay Alta High Efficiency Condensing Boiler

It’s the EASIEST boiler you’ll ever install because it’s the MOST ADVANCED boiler ever made.

 

UNMATCHED SIMPLICITY

  • No-touch combustion setup, engineered for five-minute start-up
  • Self-diagnostic boiler control
  • Rate-based temperature reset, no outdoor sensor required
    • Assesses environmental conditions, continually adjusting boiler operation for comfort and efficiency
  • Three-side unobstructed service access – fast removal of front and side panels
  • Simple 2-step natural gas-to-LP conversion with no kits or additional parts required
  • Easy lift, wall hanging design (floor stand optional)
  • Alta FastPipe (primary/secondary piping) included on combi models, optional on heating models

 

NEXT-GENERATION ADAPTIVE COMBUSTION

  • Continuous high-efficiency combustion without manual throttle or offset adjustments
  • Automatic self-calibration adjusts to variables in environment, component wear, gas and vent pressure
  • Low gas pressure capability (2.5 in. wc gas, 8.0 in. wc LP)

 

INDUSTRY-LEADING VALUE

  • 5-year parts warranty, 12-year limited warranty on heat exchanger
  • High altitude performance with zero or minimal derate
  • Universal vent connection for CPVC, polypropylene
  • Boiler flow safety switch (UL353)

 

HIGH PERFORMANCE COMBI MODELS

  • The world’s first 10:1, gas adaptive combi boiler!
  • Virtually instantaneous DHW response time
  • Selectable economy or comfort/recirculation modes
  • DHW temperature maintained under all demand conditions
  • 10:1 DHW turndown conserves fuel and extends boiler life
  • Integrated DHW hydro block with quick-disconnect flat plate DHW heat exchanger, boiler circulator, 3-way valve, and instantaneous DHW flow sensor

 

  • Product Data Sheet & Specifications
  • Technical Manuals & Information
U.S. Boiler Compnay Alta High Efficiency Condensing Boiler
  • ENERGY STAR Rated ENERGY STAR Rated
  • 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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