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.
Greentherm 9000 Series
It's time to go tankless with this innovative gas tankless water heater.
- Space-saving, state-of-the-art tankless design
- Ultra efficient condensing technology with UEF up to 0.96
- Wi-Fi accessory & App increases functionality
- Top water connections for easy tank replacement
Get proven reliability with the Therm Series tankless water heaters.
- Ultra low NOx Certified
- Non-condensing up to 24 units
- Available in NG and LP configurations
- Digital display for accurate temperature setting
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