ProLine® XE Ultra-Low NOx Indoor 180,000 BTU Condensing Propane Tankless Water Heater

Model ATI-340H 101
4.2 out of 5 Customer Rating
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Installation Type
Fuel Source
Maximum BTU's

  • Continuous flow rate up to 8.0 GPM
  • Primary commercial-grade copper heat exchanger is 25x better than stainless steel at heat transfer, stabilizing outgoing water temperatures quicker
  • Secondary heat exchanger is made of 316L Stainless Steel to protect against corrosion
  • Product Details
    • Continuous flow rate up to 8.0 GPM
    • Primary commercial-grade copper heat exchanger is 25x better than stainless steel at heat transfer, stabilizing outgoing water temperatures quicker
    • Secondary heat exchanger is made of 316L Stainless Steel to protect against corrosion
    • Highly efficient condensing Ultra-Low Nox tankless water heater delivers up to .94 Uniform Energy Factor (UEF)
    • Flexible power direct vent design allows for venting up to 100 feet using either PVC, CPVC, polypropylene or ABS Pipe (solid core)
    • Common vent up to 8 units
    • Includes integrated temperature controls and advanced diagnostics to simplify troubleshooting
    • Safety features include exhaust & water temperature safety control, overheat cut-off fuse and air-fuel ratio (AFR) sensor
    • 15-year limited warranty on heat exchanger in residential applications

    • The 340H Series offers high efficiency Ultra-Low NOx condensing technology allowing for the use of 3” PVC venting and has 0” clearance to combustibles. Features copper primary and 316L stainless steel heat ex-changers to provide high efficiency operation and excellent corrosion resistance. Outdoor models include a remote controller as a standard feature. Indoor models are certified up to 10,100 ft. altitude. Provides a variety of installation options: indoor, outdoor and direct vent. Complies with Ultra-Low NOx regulations and meets the energy efficiency requirements of ASHRAE 90.1b-1992. The ATI-340H-P tankless water heater uses up to 180,000 BTU/hr of liquid propane to deliver an endless supply of hot water for a 2.5 bath home in northern climates and up to a 3.5 bath home in southern climates (one shower head per bath). Utilizing condensing technology, this heater is extremely efficient with a Uniform Energy Factor of 0.95. With an industry leading 15-year limited warranty, the ATI-340H-P tankless water heater provides years of hot water through innovation and quality. A. O. Smith’s ProLine® water heaters are residential products built to commercial-grade standards and are only available for purchase through professional wholesalers and contractors

    Specifications
    Tech Specs
    UEF
    0.95
    Maximum BTUs
    180,000
    Power Source
    GAS
    Limited Parts Warranty
    5 Years
    Water Connection Location
    BOTTOM
    Emissions
    Ultra-Low NOx
    ASME Certified
    No
    LEED Rating
    1.50
    Destination Country
    US
    Digital Display
    true
    ENERGY STAR® Certified
    true
    Fuel Source
    PROPANE
    Installation Type
    INDOOR
    Limited Heat Exchanger Warranty 
    15 Years
    Max Flow Rate
    5.40
    Minimum BTUs
    13,000.00
    Application
    RESIDENTIAL
    Shipping Height 
    33.25"
    Shipping Length 
    21.75"
    Shipping Width 
    15.625"
    Side Loop
    No
    Dimension & Venting
    Type
    Water Heater
    Height
    23.625"
    Width
    17.75"
    Shipping Weight
    70lbs
    Vent Type
    Power Direct Vent
    All Reviews for ProLine® XE Tankless High Efficiency Condensing (100 series)
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