Adapt® SC Standard Condensing Ultra-Low NOx 180,000 BTU Natural Gas Tankless Water Heater with X3® Scale Prevention Technology

Model MTM-180X3-N 100
Maximum BTU's

  • ENERGY STAR® certified with a UEF of 0.95
  • Ultra Low NOx—Complies with SCAQMD Rule 1146.2
  • Compact Design—Space-saving design suitable for indoor and outdoor installations
  • Adapt® SC Standard Condensing Ultra-Low NOx 180,000 BTU Natural Gas Tankless Water Heater with X3® Scale Prevention Technology
    Model MTM-180X3-N 100
    Product Details
    • ENERGY STAR® certified with a UEF of 0.95
    • Ultra Low NOx—Complies with SCAQMD Rule 1146.2
    • Compact Design—Space-saving design suitable for indoor and outdoor installations
    • Cascade up to 12 like units for demanding applications
    • Durable heat exchangers ensure reliability, with commercial-grade copper for superior heat transfer and stainless steel for corrosion resistance
    • Approved for installation in manufactured homes
    • No annual descaling required with X3 models
    • Outdoor-rated power cord standard on every unit
    • Flexible venting with PVC, CPVC, Polypropylene, or ABS Pipe (solid core only)
    • 15-year limited warranty on heat exchanger

    • Adapt® Standard Condensing Tankless water heaters with X3® Scale Prevention Technology deliver exceptional on-demand performance and provide flexibility for installation in various residential settings. X3 models integrate patented Scale Prevention Technology, eliminating the need for annual descaling and extending the unit's lifespan up to three times compared to unprotected models. These models are ENERGY STAR® certified with a Uniform Energy Factor (UEF) of 0.95, and comply with Ultra Low NOx emission standards. A maximum flow rate of 10.5 GPM ensures reliable hot water delivery even under demanding conditions.

      Adapt® water heaters are versatile and easy to install, featuring both indoor and outdoor setups with universal venting options. Cascade up to 12 like units for demanding applications. A primary copper heat exchanger and secondary stainless steel heat exchanger mean these units are built to last. With a 15-year limited warranty on the heat exchanger and a 5-year warranty on parts for residential applications, these water heaters provide peace of mind and long-term value for homeowners.

    Specifications
    Tech Specs
    Nominal Gallon Capacity
    1 Gallons
    UEF
    0.95
    Maximum BTUs
    180,000
    Power Source
    GAS
    Limited Parts Warranty
    5 Years
    Water Connection Location
    BOTTOM
    Water Connection Size
    0.75"
    ASME Certified
    No
    Amperes
    5
    Destination Country
    US
    ENERGY STAR® Certified
    Yes
    Flue Diameter
    2.00
    Fuel Source
    NATURAL
    Installation Type
    BOTH
    Limited Heat Exchanger Warranty 
    15 Years
    Max Flow Rate
    5.4 GPM
    Minimum BTUs
    10,000
    Application
    RESIDENTIAL
    Shipping Height 
    17.38
    Shipping Length 
    39.25
    Shipping Width 
    22.13
    Side Loop
    No
    Voltage
    120
    Dimension & Venting
    Type
    Water Heater
    Height
    40.41"
    Width
    17.12"
    Shipping Weight
    93 lbs
    Vent Material
    ABS, PVC, CPVC and polypropylene