NORITZ 9.8 GPM 199,900 BTU Commercial Natural Gas Tankless Water Heater Mid-Efficiency Outdoor

This outdoor non-condensing commercial model has a maximum flow rate of 9.8 GPM at a 35 degree F temperature rise. It features an optional multi-system capability, which can link up to 6 NC199OD units and produce a 1.2 million BTU input. The heat exchanger is manufactured with commercial grade copper and is built to last. This natural gas commercial model heats water up to 185 degree F and meets federal and state air quality standards, which are below 20 PPM.|Commercial model is for outdoor installations only|Heat exchanger is 25% thicker piping than standard models|Units can be linked together by using either the optional 2-unit quick connect or multi-unit system controller for up to 6 units (sold separately)|Gas consumption ranges from 16,000 to 199,900 BTU/hour and can go up to 1.2 million BTU/hour (for 6-unit multi-system) with stable combustion provided by the industry's first dual-flame burner|5-year limited warranty on the heat exchanger and parts, 1 year labor warranty|0.81 uniform efficiency factor|ENERGY STAR qualified tankless water heater is highly efficient and uses up to 40% less energy than storage water heater models|Includes remote thermostat that can precisely adjust the output temperature from 100 degree F to 185 degree F|Safety features include: flame sensor, overheat prevention device, lightning protection device and freeze protection|ENERGY STAR rated natural gas commercial tankless water heater