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Alta High Efficiency Gas Boiler

Stainless Steel Heat Exchanger

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