GT-140-NEH - Condensing Ultra-Low NOx Outdoor 120,000 BTU Natural Gas Tankless Water Heater

GT-140-NEH - Condensing Ultra-Low NOx Outdoor 120,000 BTU Natural Gas Tankless Water Heater Where to Buy

The GT-140-NEH is a new breed of tankless for smaller spaces. This model also uses existing 1/2" gas supply line to lower installation costs.

The GT-140-NEH supplies hot water to domestic hot water systems (directly or indirectly) which can be used with storage tanks, recirculation systems, hydronic heating systems, radiant floor systems, and/or domestic & heating applications.


  • 15-year limited Heat Exchanger Warranty, 5-year parts warranty, 1-year labor warranty for Residential applications
  • Copper Primary Heat Exchanger
  • Stainless Steel 316L Secondary Heat Exchanger
  • Complies with Ultra-Low NOx regulations of less than 14 ng/J (<20ppm)
  • Condensing Outdoor model
  • Supplied with a remote control
  • Include internal freeze protection and multiple safety features

Tech Specs

  • Technology: Condensing
  • Fuel Source: Natural Gas
  • UEF: 0.91
  • Remote Control: Yes
  • Limited Heat Exchanger Warranty: 15
  • Limited Parts Warranty: 5
  • Max BTUs Input: 120,000
  • Emissions: Ultra-Low NOx
  • Water Connection Location: Bottom
  • Water Connection Size: 3/4

Dimensions

  • Height: 22 7/8"
  • Width: 13 7/8"
  • Depth: 10 13/16"
  • Weight: 44 lbs.