The GT-140-NIH is a new breed of tankless for smaller spaces. This model also uses existing 1/2" gas supply lines and inexpensive PVC venting to lower installation costs.
The GT-140-NIH 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.
The GT-140-NIH is a high efficient, condensing tankless water heater perfect for residential applications. With gas inputs of 120,000 BTU, the GT-140-NIH can produce enough hot water for two bathrooms in warmer climates or 1.5 baths in colder climates.
ENERGY STAR® qualified
15-year limited Heat Exchanger Warranty, 5-year parts warranty, 1-year labor warranty for Residential applications
.93 Energy Factor
Continuous Maximum Flow Rates up to 6.6 GPM
Copper Heat Primary Exchanger
Stainless Steel 316L Secondary Exchanger
Complies with Ultra-Low NOx regulations of less than 14 ng/J (<20ppm)
15,000 Natural Gas BTU Input Minimum
120,000 Natural Gas BTU Input Maximum
Condensing Indoor model
Safety features include freeze, overheat, surge protection, and troubleshooting diagnostic codes