Bosch 7736502448 Therm Outdoor Vent Kit (White) - BTOK (7736502448)

Bosch Therm Outdoor Vent Kit (White) - BTOK (7736502448)The Bosch Therm Outdoor Vent Kit (White) - BTOK (7736502448) fits on to the top of the Bosch Therm tankless water heater to allow the water heater to be installed outdoors in areas that only experience occasional overnight freezes.The BTOK Outdoor Vent Kit is designed to work with the following White Bosch Tankless Water Heaters: Bosch Therm C 1210 ESC, Bosch Therm C 1210 ES, Bosch Greentherm C 1050 ES, Bosch Greentherm C 950 ES, Bosch Therm 940 ES, and Bosch Therm 830 ES. The BTOK Outdoor Vent Kit does not come with built-in Freeze Protection as these heaters come equipped with Freeze Protection.