Energy Star

Condensing Ultra-Low NOx Outdoor 199,000 BTU Natural Gas Tankless Water Heater

Model TS-540-GEH 100
Installation Type
Fuel Source
Maximum BTU's

  • ENERGY STAR® certified with a UEF of 0.95
  • 15-year limited heat exchanger warranty; 5-year parts warranty; 1-year labor warranty for residential applications
  • Easy-Link up to 4 Units and Multi-Link up to 20 Units

    •
    Condensing Ultra-Low NOx Outdoor 199,000 BTU Natural Gas Tankless Water Heater
    Model TS-540-GEH 100
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    What to Expect from this Model
    modal-clock
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    Number of minutes you can enjoy a shower before running out of hot water. Assumes a 2.1 GPM flow rate
    Unlimited
    single shower length
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    Number of back-to-back showers you can take without running out of hot water. Assumes a 2.1 GPM flow rate and an 8 minute shower length
    Unlimited
    back-to-back
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    Number of showers you can take at the same time without running out of hot water. Assumes a 2.1 GPM flow rate and an 8 minute shower length
    2.7 showers
    at the same time
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    Biggest tub this water heater will fill without running out of hot water. Assumes a 5.0 GPM flow rate, and a 67% fill level
    Unlimited
    max tub size
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    The estimated annual cost to operate this water heater in your location
    $199/year
    est. energy cost
    Based on location results for Columbus, OH 43215
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    Product Details
    • ENERGY STAR® certified with a UEF of 0.95
    • 15-year limited heat exchanger warranty; 5-year parts warranty; 1-year labor warranty for residential applications
    • Easy-Link up to 4 Units and Multi-Link up to 20 Units
    • Ultra-Low NOx emissions
    • Primary heat exchanger is constructed of commercial-grade copper
    • Secondary stainless steel heat exchanger
    • Condensing technology provides significant energy cost savings
    • Supplied with a remote control
    • Includes internal freeze protection and multiple safety features

      • The TS-540 series provides endless and efficient hot water.*

      An easy-to-use electronic display shows:

      —On/Off button
      —Temperature Setting buttons
      —Info and Operation Status
      —Quick-Read Water Temperature

      *Reliance® gas tankless water heaters provide continuous hot water when sized appropriately for your home’s needs.

    Specifications
    Tech Specs
    UEF
    0.95
    Maximum BTUs
    199,000
    Power Source
    GAS
    Limited Parts Warranty
    5 Years
    Water Connection Location
    BOTTOM
    Emissions
    Ultra-Low NOx
    ASME Certified
    No
    Destination Country
    US
    Digital Display
    Yes
    ENERGY STAR® Certified
    Yes
    Fuel Source
    NATURAL
    Installation Type
    OUTDOOR
    Limited Heat Exchanger Warranty 
    15 Years
    GPM (@67 F Temp Rise)
    5.8 GPM
    Minimum BTUs
    15,000
    Application
    RESIDENTIAL
    Shipping Height 
    33.25
    Shipping Length 
    21.75
    Shipping Width 
    15.625
    Side Loop
    No
    Dimension & Venting
    Type
    Water Heater
    Height
    23.63"
    Width
    17.75"
    Shipping Weight
    69 lbs
    Vent Type
    Power Direct Vent