The Greentherm tankless water heater is Bosch's most efficient model in their Therm line of tankless water heaters. It achieves an improved energy factor of 0.95 by capturing heat from the flue gases, the efficiency of the water heater is increased by 10% from previous models. The Greentherm is wall mounted to save on space and only heats when there is a demand for hot water. The Greentherm tankless water heater provides you maximum efficiency while having a virtually endless supply of hot water.
New Venting Option
The new 2" venting option allows the flue to use your existing vent of up to 9.5' and eliminates the need to drill new holes.
The Greentherm models all come with an automated, fully modulating bypass for temperature stability to ensure you have a constant accurate temperature.
External Access to Inlet Water Filter
Bosch provides you with external access to the filter, for easy replacement. This ensures that you are receiving clean, usable water.
Convenient Gas Hook Up
You also have the ability to use your existing 1/2" gas line for a perfect retrofit of your existing system. Consult manual and NFPA 54 ANSI Z223.1 national fuel gas code for requirements
Built-In Digital Control Panel
The Greentherm tankless hot water heaters have a digital control panel on the front of your unit to adjust temperature and to make sure your system is running properly.
Durable Heat Exchanger Design
The complete path the water takes is made of copper pipes to avoid corrosion and premature failure.
Multi Unit Cascades
Easily control up to 24 water heaters with the optional cascading kit. It activates and deactivates other water heaters as needed.
Water Heater Mobile App
Easily access any sizing or technical documentation through the convenient Bosch water heater mobile app.