Bosch T-9800 199k BTU Residential Indoor Tankless Water Heater

The Bosch T-9800 199k BTU Residential Indoor Tankless Water Heater is a Bosch Greentherm T9800 SE condensing gas tankless water heater built for larger homes with heavy simultaneous domestic hot water demand. The 199,000 BTU/hr input rating provides the upper-capacity option in the T9800 residential indoor lineup.

Bosch submittal literature identifies the T9800 SE platform as CSA/ANSI Z21.10.3 listed, Low-NOx certified to SCAQMD Rule 1146.2, and capable of operation on natural gas or propane. The indoor SE version uses a condensing design with a copper primary heat exchanger and stainless steel secondary condensing heat exchanger.

Product Features:

• 199,000 BTU/hr Input: Highest listed T9800 SE residential indoor capacity for large multi-fixture homes.
• Copper Primary Heat Exchanger: Bosch construction data lists a multi-pass copper tube-and-fin primary heat exchanger.
• Stainless Secondary Exchanger: Secondary condensing heat exchanger uses multi-pass stainless steel construction.
• Low-NOx Rule 1146.2 Certified: Submittal sheet identifies 2016 SCAQMD NOx certification for compliant combustion.
• Natural Gas or Propane Capable: Bosch specifies the T9800 SE 160/199 platform can operate with either fuel type.
• 2-Inch Vent Size Listed: ENERGY STAR data for the T9800 SE 160 lists a 2-inch vent size, supporting compact vent routing.
• 199k Sizing Advantage: Better suited than the 160k version when multiple showers or high-flow fixtures may operate together.

Warranty

This product includes a manufacturer’s limited warranty. Verify model number, fuel type, electrical requirements, venting, water quality, and local code requirements before installation.