Noritz GQ-2857WZ-FFA US LP 9.8 GPM 199,900 BTU Non-Condensing (DVC) Max Commercial Liquid Propane Gas Tankless Water Heater Gray

The ENERGY STAR rated NC199DVC non-condensing commercial unit has a maximum flow rate of 9.8 GPM at a 35° temperature rise. It features an optional multi-system capability, which can link up to 6 NC199DVC units and produce a BTU input of up to 1.2 million BTUh. The direct vent concentric system allows stainless steel double-wall venting to be installed. This propane commercial model heats water up to 185° and meets federal and state air quality standards, which are below 20 PPM.

• Commercial model is for indoor installations only
• Heat exchanger is manufactured with commercial grade copper, 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 BTUh and can go up to 1.2 million BTUh (for 6-unit multi-system) with stable combustion provided by the industry's first dual-flame burner
• 5-years limited warranty on the heat exchanger and parts, 1 year labor warranty
• 0.82 uniform efficiency factor
• ENERGY STAR qualified tankless water heater is highly efficient and uses up to 40% less energy than storage water heater models
• Direct vent concentric termination
• Includes remote thermostat that can precisely adjust the output temperature from 100 to 185°F
• Safety features include: flame sensor, overheat prevention device, lightning protection device and freeze protection
• ENERGY STAR rated propane commercial tankless water heater