Application's Manual

Data subject to change without notice | 01.2011
BOSCH THERMOTECHNOLOGY CORPORATION
THERM Tankless Water Heater Applications Manual
16
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8.2 Whole house applications
Whole house applications cover the typical home applications up to
a 2 or 3 bedroom house. See the sizing guide (page 9) to determine
the best Bosch water heater model for your application. An
enhanced design including an Ariston mini tank in line to the hot
water source will reduce the wait time for hot water and improve
temperature stability.
8.2.1 Bosch gas water heater
Below is an example of a basic Bosch gas tankless water heater
installation for the whole house.
Cold
Hot
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
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