The thermostat needs no calibration. In case
there's a need to change the thermostat, just
unplug the two probe connectors and remove
the two screws on the top side of the
To change or remove the pump, just
remove the 4 screws that tighten the pump
to the rear side of the water tank.
The pump adapter could also be changed.
Remove the four screws on the top side of
the support in order to free the adapter.