The T-KJr2 model is the smallest unit in the Takagi line-up. The T-KJr2 is perfect for light residential (i.e. small apartment units) and radiant heating applications.Cost-efficient and environmentally friendly the T-KJr2-IN can be converted into a direct-vent unit by using the optional TV10 conversion kit for installation in a garage a utility closet or any confined space in which makeup air may be limited. Propane19500 ~ 140000 BTU/hr0.82 energy factor6.6 GPM max flow rateIndoor intallation only. SpecificationsNOTE: All water heaters of any type MUST be installed by a trained and licensed technician. Failure to do so may result in damage injury or death. Warranties may be void if installed by non-licensed personnel. We will not be held liable for any damages injury or death caused by proper or improper installation of hot water heaters. We will not be held liable for any local state county or city code violations caused by the improper selection of water heaters.[]