Adapt® SC Standard Condensing Ultra-Low NOx 199,000 BTU Liquid Propane Tankless Water Heater with X3® Scale Prevention Technology

Model STM-199X3-P 111
4.8 out of 5 Customer Rating
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X3® Scale Prevention Technology
Maximum BTU's
Fuel Source

  • 199,000 BTU Liquid Propane input
  • ENERGY STAR® certified with a UEF of 0.95
  • Powerful Performance—Offers maximum flow rates of up to 10.5 GPM for reliable hot water delivery
  • Adapt® SC Standard Condensing Ultra-Low NOx 199,000 BTU Liquid Propane Tankless Water Heater with X3® Scale Prevention Technology
    Model STM-199X3-P 111
    4.8 out of 5 Customer Rating
    • reviews, product
    • BV SEO Enabled: RR Not Found
    Product Details
    • 199,000 BTU Liquid Propane input
    • ENERGY STAR® certified with a UEF of 0.95
    • Powerful Performance—Offers maximum flow rates of up to 10.5 GPM for reliable hot water delivery
    • Ultra-Low NOx Emissions—Complies with strict air quality management regulations, including SCAQMD Rule 1146.2, for environmentally friendly operation
    • Flexible Installation Options—Supports both indoor and outdoor installations with an optional outdoor vent cap kit
    • Advanced Freeze Protection—Includes internal freeze protection for the heater and optional freeze protection kits for external cartridges
    • Built to Last—Primary copper heat exchanger and secondary stainless steel heat exchanger provide long-lasting performance
    • Vent with PVC, CPVC, Polypropylene, or ABS pipes, with runs up to 50 feet using 2" PVC and up to 150 feet using 3” PVC
    • Connect of up to 12 units with included cable (1 per heater) for increased hot water capacity
    • Comprehensive Warranty—15-year limited warranty on heat exchanger and 5-year limited warranty on all parts for residential applications

    • The Adapt® SC Standard condensing gas tankless water heater uses up to 199,000 BTUs of Liquid Propane to deliver a max flow rate of 10.5 GPM. State’s Adapt® Standard condensing gas tankless water heaters deliver robust, on-demand performance and the flexibility to install in virtually any residential setting.

      Built-in X3® Scale Prevention Technology helps maintain like-new performance by protecting the heat exchanger from build-up. Scale prevention protection can prolong the life of the heat exchanger by up to 300% as compared to an unprotected unit.

      The Adapt® SC line features a built-in Control Display for setting and checking heater status and error codes.

      All models are ENERGY STAR® certified with a Uniform Energy Factor of 0.95 and comply with Ultra-Low NOx regulations. All Adapt® SC models can be installed indoors or outdoors (outdoor vent cap kit sold separately).

      Cascade up to 12 like heaters for larger applications requiring multiple water heaters to work in conjunction, cable included.

    Specifications
    Tech Specs
    Nominal Gallon Capacity
    1 Gallons
    UEF
    0.95
    Maximum BTUs
    199,000
    Power Source
    GAS
    Limited Parts Warranty
    5 Years
    Water Connection Location
    BOTTOM
    Water Connection Size
    0.75"
    Emissions
    Ultra-Low NOx
    ASME Certified
    No
    Amperes
    5
    Destination Country
    US
    ENERGY STAR® Certified
    Yes
    Flue Diameter
    2.00
    Fuel Source
    PROPANE
    Ignition Type
    Electronic Hot Surface Igniter
    Installation Type
    BOTH
    Limited Heat Exchanger Warranty 
    15 Years
    GPM (@67 F Temp Rise)
    6 GPM
    Minimum BTUs
    10,000
    Application
    RESIDENTIAL
    Shipping Height 
    17.88
    Shipping Length 
    39.13
    Shipping Width 
    22.25
    Side Loop
    No
    Voltage
    120
    Dimension & Venting
    Type
    Water Heater
    Height
    32.46"
    Width
    17.12"
    Shipping Weight
    95 lbs
    Vent Material
    ABS, PVC, CPVC and polypropylene
    Marketing Videos
    Adapt® SC Standard Condensing Gas Tankless Water Heater Application and Installation
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