Discover the best HVAC Technology in the market!

Bosch199K Btu Tankless Water Heater


The Greentherm 9000 removes the barriers to upgrading to an energy-efficient tankless water heater with innovative top connections for water, unsurpassed efficiency, and cutting-edge technology for reliability and long life.

The Greentherm 9000 offers an efficiency rating of UEF up to 0.96 and innovative features for easy installation, operation, and simple maintenance. You will enjoy an industry-leading 15-year warranty on the heat exchanger and a full 5-year limited warranty on parts.


At a glance

  • 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

Download Brochure

3 in stock

SKU: T9800SE199 Category:




  • Top-mounted water connections lower labor & parts requirements
  • Easy conversion from existing tank water heater
  • High-resolution, built-in touch screen for intuitive appliance control
  • Built-in recirculation pump that minimizes water wasted waiting for hot water at the faucet
  • Automatic OptiFlow combustion management system minimizes installation setup time and maximizes product performance
  • Dedicated indoor and outdoor mounted units available – no outdoor vent kit required
  • Built-in freeze protection on all models, ideal for colder climates
BTU (Max):199000
Includes:Gas Conversion Kit
Max Water Pressure:150 psi
Min Pressure (PSI):30
Connection Size:3/4″ NPT
Temperature Range (F):100°F – 140°F
Energy Factor:0.96
Fuel Type:Natural Gas
Energy Star Rated:Yes
BTU (Min):9000
Vent Type:Direct Vent
Installation Type:Outdoor Only
Flow Rate at 40F Temp Rise (GPM):10
Flow Rate at 50F Temp Rise (GPM):8
Flow Rate at 60F Temp Rise (GPM):6.7
Flow Rate at 70F Temp Rise (GPM):5.7



There are no reviews yet.

Be the first to review “Bosch199K Btu Tankless Water Heater”

Your email address will not be published. Required fields are marked *

You may also like…

Skip to content