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

Model: GT15-540-NI Lowe's Item #: 1055585
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Product Description

  • Enjoy continuous hot water for up to 3 simultaneous showers and 1 sink when sized appropriately (sink and shower calculations are based on a 0.5 GPM faucet and a 2.5 GPM showerhead in the southern zone)
  • Ultra-Low NOx indoor model that operates at a 0.93 Uniform Energy Factor (UEF)
  • Compact, indoor wall-mounted design frees up valuable storage space
  • Professional installation required - call 877-GO-LOWES
  • Uses 3/4 inch gas line
  • Easy temperature adjustment and troubleshooting with integrated controls
  • Copper primary heat exchanger and stainless steel secondary heat exchanger provide superior heat transfer and protection resulting in extended product life
  • Worry free safety features include freeze, overheat, and surge protection as well as troubleshooting diagnostic codes
  • 15-Year limited residential warranty gives you peace of mind

Signature Series Features

These features are included with all Signature Series water heaters.

Continuous Hot Water
Save Energy, Save Money
Learn More
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Product Features

  • Enjoy continuous hot water for up to 3 simultaneous showers and 1 sink when sized appropriately (sink and shower calculations are based on a 0.5 GPM faucet and a 2.5 GPM showerhead in the southern zone)
  • Ultra-Low NOx indoor model that operates at a 0.93 Uniform Energy Factor (UEF)
  • Compact, indoor wall-mounted design frees up valuable storage space
  • Professional installation required - call 877-GO-LOWES
  • Uses 3/4 inch gas line
  • Easy temperature adjustment and troubleshooting with integrated controls
  • Copper primary heat exchanger and stainless steel secondary heat exchanger provide superior heat transfer and protection resulting in extended product life
  • Worry free safety features include freeze, overheat, and surge protection as well as troubleshooting diagnostic codes
  • 15-Year limited residential warranty gives you peace of mind
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RESOURCES

  • Product Dimensions

    Type: Water Heater
    Height: 23 5/8"
    Width: 17 3/4"
    Depth: 11.25"
    Shipping Weight: 70.9 lbs.
    VentType Power Direct Vent
    Vent Diameter: 3 or 4
    Vent Material: PVC, CPVC, PP, ABS, SS

    Configuration and Overview

    Emissions: Ultra-Low NOx
    Maximum BTUs: 199000
    Minimum BTUs: 15000
    UEF: 0.93
    Limited Heat Exchanger Warranty: 15 Years
    Limited Parts Warranty: 5 Years
    Water Connection Location: Bottom
    Water Connection Size: 3/4
    Heat Exchanger: Commercial Grade Copper
    Voltage: 120
    LEED Rating: 1.5
    Digital Display: Yes
    Remote Control: Yes

  • Owners Manual
    Comprehensive information about your new appliance - from getting started to cleaning and maintenance - with answers to frequently asked questions.

    Whirlpool Natural Gas and Liquid Propane Water Heater Owners Manual

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