Ariston ALTEAS ONE Net Series Installation And Servicing Instructions page 65

MAINTENANCE GUIDE
Primary Heat exchanger
Maintenance Interval: Annually
How : Visual inspection / Clean as necessary
Condensate trap
Maintenance Interval: Annually
or after cleaning primary heat exchanger
How : Visual inspection / Clean as necessary /
Add water before replacing
Pump
Maintenance Interval: At the fi rst ignition and annually
How: Check that the AAV is open /
Visual inspection / Clean as necessary
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