NORITZ 157,000 BTU Max. 7.1 GPM Residential Indoor Condensing Direct Vent Natural Gas Tankless Water Heater

Our NRC711 series is perfect for homes with 1-3 showers. When properly sized, they provide an endless supply of hot water to an entire home. With state-of-the-art gas combustion technology, Noritz burners maximize output and provide temperature stability while maintaining low emissions. Built-in features include safety lock-out, freeze protection, and high elevation adjustment.|This ENERGY STAR rated model has a 12-year heat exchanger warranty|Standard burner high performance single flame burner|Fully modulating burner automatically adjusts burner level accordingly|Turbo flow up to 7.1 GPM at 30 degree (Fahrenheit) temperature rise (6.5 GPM at 45 degree rise)|Direct ignition no standby pilot light|Thermal fuse automatic overheat protection system|Resin coated PC board increases durability and protection from elements|Automatic air regulator monitors internal temperature/maximizes burner efficiency|Cold water connection size 3/4 in.|Hot water connection size 3/4 in.|Gas connection size 3/4 in.|Safety lock out default maximum 120 degrees Fahrenheit (refer to owner's manual for higher temp)