Takagi T-K4-OS-NG Tankless Water Heater, Natural Gas, Outdoor
The all new T-K4 models have an impressive max GPM of 8.0GPM! The T-K4-OShas a built-in power venting system and was designed specifically for outdoor installations. The T-K4-OS does not require any additional Category III venting or vent caps, making installation one step easier for installers.