Application's Manual

Data subject to change without notice | 01.2011 BOSCH THERMOTECHNOLOGY CORPORATION
THERM Tankless Water Heater Applications Manual | 17
8.2.2 Bosch gas water heater with buffer tank
Below is an example of a Bosch gas tankless water heater
installation for the whole house. An Ariston mini tank is installed in
line for reduced hot water wait time and increased temperature
stability.
Note:
Drawing is not to scale.
Cold water piping to fixtures not shown for clarity purposes.
Symbols
Service
valve
Sink
Standard tub fixture
Flow
direction
Pressure
relief
valve
Note: place Ariston close to the point of
use to reduce wait time for hot water.
Cold
Hot
Ariston Pro GL4Ti
- for pipe runs over
100 ft between
tankless heater
and Ariston, use
GL8Ti
Applicable Bosch Models:
•Bosch 520 PN •Bosch 520 HN
•Bosch 830 ES •Bosch 660 EF
•Bosch 660 EFO •Bosch 940 ES
•Bosch 940 ESO •Bosch C 1050 ES
•Bosch C 1210 ES