6 | Appliance details
1) Source: Moritz, A.R. and Henriques, F.C., Jr. (1947).
Studies of thermal injury. II. The relative importance of
time and surface temperature in the causation of
cutaneous burns, Am J of Pathol, 23, 695-720.
WARNING: California Proposition 65
The California Safe Drinking Water and Toxic
Enforcement Act requires the Governor of
California to publish a list of substances
known to the State of California to cause
cancer, birth defects, or other reproductive
harm, and requires businesses to warn of
potential exposure to such substances.
▶ This product contains chemicals known
to the State of California to cause
cancer, birth defects, or other
reproductive harm. This appliance can
cause low-level exposure to some of the
substances included in the Act.
BOSCH water heater complies with the State of California Lead
Residential / Commercial models
Greentherm 9800 SEO residential models
– maximum temperature 120 °F
Greentherm 9800 SECO commercial models
– maximum temperature 180 °F
High power segmented burner with low NOx emissions.
Modulating gas valve with pressure regulator.
Modulating water valve.
Active bypass water valve for quick response to changing
Burner power segmentation with modulation range from
High quality materials for long working life
Copper heat exchanger.
Stainless Steel 316L condensing heat exchanger
1) Can be programmed to achieve 140 °F
6 720 817 281 (2017/05)
Compact space saver: mounts on a wall with a supplied
Easy minimum to achieve low output power.
Opti-flow that auto adjusts unit for easy installation.
Easily removable one-piece cover.
On/Off and Temperature remote control.
Program button (Selectable temperature default).
Failure codes for easy diagnostics and repair.
Real-time diagnostics for troubleshooting/informational
Built in freeze protection.
Integrated siphon to limit condensate freezing in external
Note: The freeze prevention kit is designed to provide
protection for the water heater down to approximately -4 °F
for short term conditions only. It will not protect the
appliance in areas where the temperature is routinely expected
to be below freezing.
- The freeze prevention kit will not protect plumbing outside the
appliance from freezing. Precautions should be taken.
Accessories (Bosch part #)
Neutralizer Kit (7738001483)
Wi-Fi module [802.11 b/g/n (2.4 GHz)]
Aquastat kit (7736504584)
Recirculation pump kit (7736504585)
Tank loading NTC (7736504583)
BOSCH is constantly improving its products,
therefore specifications are subject to
change without prior notice.
Greentherm 9800 SEO 160/199 | SECO 199