Bosch PROTANKLESS GWH 345/450 ESR User Manual
Page 3
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Warning
3
FCC:
This device complies with Part 15 of the FCC rules.
Operation is subject to the following two conditions: (1)
This device may not cause harmful interference, and (2)
this device must accept any interference received,
including interference that may cause undesired
operation.
Fig. 1
Warning: The recirculating water
heater must be disconnected from the
gas supply piping system during any
pressure testing of that system at test
pressures equal to or more than 0.5
psig (14” W.C.).
Caution:
Any changes or
modifications not expressly approved
by the party responsible for compliance
could void the user’s authority to
operate the equipment.