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1.1 REPLACEMENT of the HEATING ELEMENT or of the HEATING ELEMENT PROTECTION
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1.2 REPLACEMENT of the HOT WATER SOLENOID VALVE
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1.3 WORKING on the CONTROL UNIT, PRESSURE SWITCH, DOSING DEVICES, OR CUP HEATER THERMOSTAT
1.4 WORKING on the DELIVERY GROUP or ITS COMPONENTS
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1.5 REPLACEMENT of the HEATING ELEMENT of the CUP HEATER
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1.6 WORKING on the UPPER PART OF THE BOILER
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