Edition 01 of 08/2017
6.9
SERVICE MANUAL
Fig. 166
Fig. 167
Fig. 168
98030500
Fig. 165
To remove the injectors it is necessary to drain
the heater as shown in section 6.3 and then care-
fully unscrew the injector from its housing using a
No. 14 wrench or 14 mm spanner.
The holes of the injector tend to become clogged
if the operating water is not optimally softened or
after several months of work.
For this reason, we recommend that the injectors
be replaced once a year.
NOTE
Be extremely cautious during removal opera-
tions since the ceramic heating elements
insulators could be damaged thus compro-
mising the integrity of the entire heater.
If the ceramic insulators break the heater
must be replaced to prevent a general short
circuit.
REASSEMBLY
Wrap the threading of the injector with Teflon
tape or use of liquid Loctite before screwing the
component into its housing.
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