Bosch Greentherm (T9800 SE 160) is a gas tankless water heater from Bosch rated 4.6 GPM at a 0.95 UEF — 178 therms/yr certified use, 160k BTU/h input.
Efficiency
Uniform Energy Factor (UEF)
0.95
Annual gas use (natural gas)
178 therms/yr
Annual propane use
194.53 gal/yr
General
Fuel
Natural Gas, Propane
Capacity
Max flow rate
4.6 GPM
Draw pattern
High
Minimum activation flow
0.5 GPM
Performance
Gas input rate
160 kBTU/h
Installation
Max current draw
2.7 A
Vent type
Direct Vent
Vent size
2
Smart features
Smart / connected capable
No
Dimensions
Height
32 in
Width
19 in
Depth
10 in
Certification
ENERGY STAR certified
Yes
Real flow rate by climate
A tankless heater's usable flow depends on how far it must raise incoming water
temperature. Sustained hot-water flow of the Bosch Greentherm (T9800 SE 160) at common temperature
rises (a typical shower uses about 2 GPM of mixed water):
The Bosch Greentherm (T9800 SE 160) is certified hardware that Bosch and its partner brands
publish under 5 names. The same specifications apply to every
variant:
Is the Bosch Greentherm (T9800 SE 160) ENERGY STAR certified?
Yes, the Bosch Greentherm (T9800 SE 160) holds a current ENERGY STAR certification for water heating efficiency (UEF 0.95).
How much does the Bosch Greentherm (T9800 SE 160) cost to run per year?
About $258 per year at national average energy rates, based on its certified annual energy use under the DOE test draw pattern. Your rate and usage change this figure.
What venting does the Bosch Greentherm (T9800 SE 160) use?
The Bosch Greentherm (T9800 SE 160) uses Direct Vent venting with 2 in vent connections. Matching the existing vent type is usually the cheapest replacement path.
Is the Bosch Greentherm (T9800 SE 160) a smart water heater?
No, the Bosch Greentherm (T9800 SE 160) is not connected-capable — it has no app connectivity or demand-response support.
