AO Smith 140,000 BTU Condensing Ultra-Low NOx Outdoor Tankless Water Heater (NG)

Overview: The 140H Series offers high efficiency Ultra-Low NOx condensing technology allowing for the use of 3” PVC venting and has 0” clearance to combustibles. Indoor models are certified up to 10,100 ft. altitude. Provides a variety of installation options: indoor, outdoor and direct vent. Complies with Ultra-Low NOx regulations and meets the energy efficiency requirements of ASHRAE 90.1b-1992. The ATO-140H-N tankless water heater uses up to 120,000 BTUs of natural gas to deliver a max flow rate of 6.6 GPM. It utilizes condensing technology to achieve a Uniform Energy Factor of 0.91, and is ENERGY STAR qualified. this model meets Ultra-Low NOx emission requirements, and comes with a 15-year limited warranty. Specifications: Emissions: Ultra-Low NOx Maximum BTUs: 120,000 Minimum BTUs: 15,000 UEF: 0.91 Limited Heat Exchanger Warranty: 15 Years Limited Parts Warranty: 5 Years Water Connection Location: Bottom Water Connection Size: 3/4" Heat Exchanger: Copper & Stainless Secondary Heat Exchanger: Stainless...