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The ProLineĀ® XE Combi Boiler provides high efficiency space heating and domestic hot water (DHW) in a compact footprint that is easy to install and maintain. The efficiency of the combi is rated at 95% AFUE (Annual Fuel Utilization Efficiency) making it available on many utility rebate programs. Lastly, the plain text Setup Wizard on the Smart Control LCD display will make installation a breeze.

The ACB-110H-N indoor residential Ultra-Low NOx Combi Boiler uses up to 110,000 BTU/hr of Natural Gas to deliver a continuous supply of hot water and space heating for a home in high altitude regions. This High Efficiency heating system has a 95% AFUE and is ENERGY STAR Certified.

  • Advanced Electronic Controls - User-friendly LCD display provides system status and diagnostic information in plain text. The Set-Up Wizard display makes it simple to set system parameters in just minutes.
  • Space Heating Reliable hot water supply to provide hydronic heat for the entire house in addition to supplying enough domestic hot water for a single family home or apartment.
  • Easy Direct Venting - Direct venting up to 100 feet using either PVC, CPVC, polypropylene or AL29-4C stainless steel vent pipe, allows for flexibility and easy installation.
  • Fire-Tube Heat Exchanger - The innovative fire tube design can produce a higher heat transfer coefficient than traditional fire tubes.
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Fuel Type:


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System Type:

Hydronic (Water)

Vent Type:

Direct Vent

Height (Inches):



Combo DHW

High Altitude

LCD Display

Energy Star Rated:



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