Tankless water heating condensing indoor 120,000 BTU [Natural Gas] GTS-140-NIH

Purchased with a HUG Hydronics systemWhen you purchase a boiler and the HUG Hydronics system together you will receive a complimentary fitting kit. Natural Gas Water Heater Model: GTS-140-NIH Continuous Hot Water—Continuous flow rate of hot water of up to 6.6 GPM Space-Saving Design—Wall-mount design saves valuable space and allows for additional storage and flexibility Optimized Heat Transfer—Primary commercial-grade copper heat exchanger is 25x better than stainless steel at heat transfer, stabilizing outgoing water temperatures quickly Corrosion Protection—Secondary heat exchanger is made of 316L Stainless Steel to protect against corrosion Energy Efficient—Highly-efficient condensing Ultra-Low Nox tankless water heater delivers up to .90 Uniform Energy Factor (UEF) Vent Material Requirements—Vents with 3" PVC up to 70 feet or 4" PVC up to 100 feet Simple Control & Troubleshooting—Integrated temperature controls and advanced diagnostics make it easy to adjust settings and tro