Ariston CLAS HE R 12 Installation And Servicing Instructions page 58

MAINTENANCE GUIDE
4.4 FAN
Tools
1
Remove the combustion
assembly (see 4.3)
1
Fan & mixer venturi according to the model
Power
1 kW
18 kW
4 kW
30 kW
58
Remove the three screws to free the fan.
Twist the gas valve anti-clockwise to
disengage it from the fan
Fan
EBM RG 18 45 W
EBM RG 18 45 W
EBM RG 18 45 W
EBM RG 18 45 W
Venturi diameter
ø
14 mm
ø
17 mm
ø
17 mm
ø
1 mm
Time
15 min
3
1. Venturi
. Gasket
3. Fan
2