Bosch GWH 715 ES Applications Manual page 30

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4.3.2 Single unit tank loading application plumbing diagram
The GWH 345/450 ESR is specifi cally designed for this application.
Cold water
Potable water
expansion tank
Bronze circulator sized
according to UPC standards
Note: Piping to fixtures not shown for clarity purposes.
Note: This drawing is conceptual in nature and does not 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.
Application manual | 11.2007
DHW
feed
Bosch GWH 345 ESR,
Bosch GWH 450 ESR
Symbols
Pressure
relief
valve
Service
valves
PS
Flow
direction
12K ohm
thermistor
with immersion
well
Drawing # STL
Applications manual
External
storage
tank
CN revA 10/07
Bosch Water Heating