Measurement Guide

Application Manual Greentherm T9800/9900 SE/SEO/SEi | 7
Bosch Thermotechnology Corp. | 12.2019
Data subject to change
Model Power
Inlet temperature (°F)
77° 72° 67° 62° 57° 52° 47° 42° 37°
9800/9900 SE/
SEO/SEi
199 kBTU/hr
14.2 GPM 12.1 GPM 10.5 GPM 9.3 GPM 8.3GPM 7.5 GPM 6.9 GPM 6.3 GPM 5.9 GPM
9800/9900 SE/
SEO/SEi
160 kBTU/hr
11.4 GPM 9.6 GPM 8.4 GPM 7.4 GPM 6.6 GPM 6.0 GPM 5.5 GPM 5.0 GPM 4.7 GPM
Table 1 Maximum hot water fl ow for multiple inlet water temperatures.
Simultaneous shower use was rounded to the nearest whole number based on the following:
Tankless set temperature of 120°F, shower temperature of 105°F, ground water temperature as
shown in the table, and shower head fl ow rates of 2gpm.
Showerhead - 2 GPM