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Replacement of parts
Tronic 3000T – 6 720 801 072 (2018/04)
6Replacement of parts
6.1 Changing the anode rod
▶ Turn off the power supply and drain the heater (see
Draining the Heater).
▶ Remove heating element (see previous section).
▶ Unscrew anode rod from threaded connection.
▶ Remove and replace the anode rod (Fig. 12 [N]).
▶ Reinstall heating element.
▶ Refill tank with water before restoring power.
6.2 Changing the heating element
▶ Turn off power supply and drain the heater (see Draining
the Heater).
▶ Remove the heating element (see section on Removing the
Heating Element)
▶ Install new element with gasket, making sure the gasket
and element are positioned correctly. Tighten the retaining
nuts and make the wire connections.
▶ Ensure that the thermostat temperature sensor is inserted
into the well located on the element assembly and secured
with black rubber grommet.
▶ Refill tank with water before restoring power.
6.3 Changing the thermostat
▶ Turn off power supply.
▶ Disconnect the 2 wire connectors on thermostat.
▶ Loosen the two brass screws at right side of thermostat and
pull wires out.
▶ Remove thermostat temperature sensor from well located
in element assembly.
▶ Unscrew and remove the two Phillips screws holding the
thermostat onto the tank.
▶ Install new thermostat and re-attach wiring and screws.
▶ Ensure that the thermostat temperature sensor is inserted
into the well located on the element assembly and secured
with black rubber grommet.
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