Residential Boilers

  • Hot Water Tankless

    Navien NFB-175H

    Patented stainless steel fire tube heat exchanger—reduces high stress point welds
    Advanced user interface with intuitive text display and Quick Dial Wheel for easy navigation
    Smart controls with Setup Wizard to simplify boiler start up
    Built-in 3 zone pumps or 3 zone valves powered connections
    Optional NaviLink Wi-Fi remote control
    Common venting up to 8 boilers
    Cascading up to 16 boilers
    Up to 15:1 turndown ratio
    AFUE 95.0%—Energy Star certified
    Compact, light weight, wall hung design saves space over traditional floor standing boilers

  • Hot Water

    Navien NHB-110H

    HIGH EFFICIENCY CONDENSING HEATING BOILER

    High efficiency condensing
    Dual stainless steel heat exchangers
    SCH40, 2″ venting up to 65′
    3″ venting up to 150′
    TDR up to 7:1
    Built-in zoning control
    Smart controls LCD display, quick dial wheel & Setup Wizard

  • Hot Water

    Navien NHB-150H

    HIGH EFFICIENCY CONDENSING HEATING BOILER

    High efficiency condensing
    Dual stainless steel heat exchangers
    SCH40, 2″ venting up to 65′
    3″ venting up to 150′
    TDR up to 7:1
    Built-in zoning control
    Smart controls LCD display, quick dial wheel & Setup Wizard

  • Hot Water

    Navien NHB-55H

    HIGH EFFICIENCY CONDENSING HEATING BOILER

    High efficiency condensing
    Dual stainless steel heat exchangers
    SCH40, 2″ venting up to 65′
    3″ venting up to 150′
    TDR up to 7:1
    Built-in zoning control
    Smart controls LCD display, quick dial wheel & Setup Wizard

  • Hot Water

    Navien NHB-80H

    HIGH EFFICIENCY CONDENSING HEATING BOILER

    High efficiency condensing
    Dual stainless steel heat exchangers
    SCH40, 2″ venting up to 65′
    3″ venting up to 150′
    TDR up to 7:1
    Built-in zoning control
    Smart controls LCD display, quick dial wheel & Setup Wizard