Laars 199,000 BTU/Hr Wall-Mounted Tankless Water Heater

    1,600.89 1,600.89 1600.89 USD


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    Laars 199,000 BTU/Hr Wall-Mounted Tankless Water Heater

    Item Details:

    Input, Max Fire MBH (kW)199,000
    Output, Max Fire MBH (kW)193,000
    Weight, Unit lbs. (kg)88 (40)
    HxWxD Inches27.6x17.3x14.8
    DHW Outlet NPT3/4 in.
    DHW Inlet NPT3/4 in.
    DHW Flow Rate 35°F Rise – GPM (l/m)11 (42)
    45°F Rise – GPM (l/m)8.5 (32)
    77°F Rise – GPM (l/m)5.0 (19)
    Minimum Flow Rate GPM (l/m)0.5 (1.9)
    Gas Inlet NPT3/4 in.
    Air Intake & Exhaust Outlet Collar Inches (cm)3 (7.6)
    Efficiency AFUE96%
    FuelNatural Gas or Propane
    WarrantyLimited 12 Year Warranty

    Mascot® ST Tankless Water Heater


    The Mascot ST is a wall–mounted condensing tankless water heater packed with features that easily satisfy the hot water needs of the modern home.

    Powering the Mascot ST is an advanced stainless steel condensing heat exchanger using the latest in combustion technology. Our heat transfer tubes are constructed with a corrosion–resistant stainless steel and are precisely aligned to maximize heat transfer. This combination results in a system that delivers a quick heating response, exceptional efficiency, and years of reliable service

    Advanced Straightforward Controls

    Every Mascot ST is equipped with the advanced Laars Integrated Control System
    • Easy-to-use dial and push button input system with large backlit display
    • Functions are clearly displayed for quick set-up and diagnostics
    • Quick access buttons for temperature control and boiler status functions

    Saves You Money

    Greatly reduce heating bills when compared to older, low–efficient water heaters! A 0.96 energy factor equals lower fuel use. In conventional tankless water heater designs the heat trapped in the flue gas goes up the chimney instead of heating your water.

    Laars technology releases the heat stored inside the exiting flue gas to reach ultra-high efficiencies. Potentially save thousands of dollars in water heating bills over the life of this condensing tankless water heater!
    • When the flue gas contacts the Mascot ST stainless steel heat exchanger it begins to condense, releasing stored heat
    • The heat released by condensing is combined with the heat from the burner flame
    • The result is the majority of the available heat is transferred to your home–up to 30% more energy verses older low–efficient designs– saving you money
    • Rebate Eligible–check federal, state, and local rebates for upfront savings!

    Enough Hot Water for Everyone

    The compact Laars Mascot ST uses a reliable, stainless steel condensing heat exchanger that offers the best in tankless water heating.

    When there is a need for hot water the Mascot ST heat exchanger lights and begins to produce hot water for your faucet, shower, etc.

    The condensing heat exchanger will efficiently run for as long as you need it, making sure you never run out of hot water. A very efficient and responsive system that gives you the best of both worlds! Hot water fast and an endless supply – never run out again.

    Laars Mascot ST Heat Exchanger Advantage:

    • Hot flue gas is evenly distributed across an array of oval water tubes
    • The oval tube shape causes turbulent flow and releases stored heat trapped inside the hot flue gases to better transfer heat from the water heater to your home
    • Self-cleaning, condensate flows down along the tube walls and out through condensate collection system
    • Uniform heat distribution reduces stress points in the heat exchanger.
    • Combined with erosion–and corrosion–resistant materials, the result is a durable design for a long lifetime of use


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