Ariston CLAS NET One - Draining; Automatic Air Vent; Primary Water Pressure Sensor

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MAINTENANCE GUIDE
3.3 Draining
Tools
TIME
5 min
Turn the drain valve anti-clockwise to open and drain the
water from the boiler
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3.4 Automatic air vent
Tools
TIME
5 min
Drain the boiler (see 3.3).
Unscrew anticlockwise the AAV from the assembly.
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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.
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