www.supplyht.com/articles/100911-noritz-tankless-water-heater

Noritz tankless water heater
November 27, 2017
Noritz’s NCC199CDV condensing tankless water heater is approved for common venting up to six units in commercial applications. The unit has a thermal efficiency rating of 98% and a maximum flow rate of 11.1 gpm.
Noritz. www.noritz.com