
Gas Tankless Water Heaters
High-efficiency gas tankless water heaters from Bosch.
Enjoy the energy-efficient, endless supply of hot water that only a gas tankless water heater can deliver.

Water Heaters
Greentherm 9000 Series
- Space-saving, state-of-the-art tankless design
- Ultra efficient condensing technology with UEF up to 0.96
- Wi-Fi accessory & App increases functionality

Water Heater
Therm Series
- Ultra low NOx Certified
- Non-condensing up to 24 units
- Available in NG and LP configurations

Gas Tankless Water Heaters
ProTL Series
- Ultra low NOx Certified
- Condensing and Non-Condensing
- Available in NG and LP configurations