Ariston CLAS HE EVO - Page 53

53
MAINTENANCE GUIDE
3.3 Draining
Tools
TIME
5 min
Turn the drain valve anti-clockwise to open and drain the water
from the boiler
1
3.4 Automatic air vent
Tools
TIME 5 min
Drain the boiler (see 3.3). Remove the clip and lift the AAV from
the assembly.
1
2
3.5 Primary water pressure sensor
Tools
TIME
5 min
Drain the boiler (see 3.3). Slide the  xing clip, (it is held captive)
unplug the electrical connector and lift the sensor from the
assembly.
1
2