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Applications manual | 11.2007Bosch Water Heating
Applications manual
| 23
3.2.2 Powerstream Pro whole house application with domestic
recirculation loop
The circulator should be controlled by an external aquastat, or with
a timer to run only during times of expected hot water usage.
Symbols
Service
valves
Sink
Note: This drawing is conceptual in nature and does to address all design, installation or safety considerations.
Additional safety and/or auxiliary equipment may be needed. This diagram is for reference use by officials, designers and licensed installers.
It is expected that installers have adequate knowledge of accepted industry practices for the equipment, procedures, and applications involved.
Drawing is not to scale.
Drawing # WH1R
CN rev 06/07
Powerstream Pro
RP17PT or RP27PT
Standard tub fixture
Bronze circulator pump sized
according to UPC standards
(Taco Bronze 007 or Grundfos 15-42B
will cover most homes up to 3 bathrooms)
Potable water
expansion tank
Flow check valve
Ariston Pro GL4Ti
(for pipe runs over
100ft use GL8Ti)
Hot
Cold
Flow direction
Note: Cold water piping to fixtures not shown for clarity purposes.
Timer or
Aquastat