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Bosch Manuals
Water Heater
Pro Tankless GWH-450-ES Series
Manual
Applications - Bosch Pro Tankless GWH-450-ES Series Manual
Temperature modulated with electronic ignition - normal duty suitable for recirculating potable water only
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2.7
Applications
Caution: the water heater which will be
used to supply potable water shall not
be connected to any heating system or
component(s) previously used with a
nonpotable water heating appliance.
Introduction
The application designs provided in this manual are general guides to be used when installing this recirculating water
heater. Additional application designs are available from Bosch Water Heating.
Instantaneous water heater (direct tank load version)
Fig. 6
8
6 720 607 915
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This manual is also suitable for:
Pro tankless gwh-450-es-n
Pro tankless gwh-450-es-l
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