Ariston CLAS HE R - Gas Valve Maintenance

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MAINTENANCE GUIDE
4.5 GAS VALVE
Tools
Time
15 min
LEGEND
1. Venturi
2. Gas valve
3. Solenoids
4. Inlet test niple
5. Offset adjustment
6. Throttle adjustment
1
2
3
5
4
6
Gas inlet
Gas outlet
1
Remove the combustion
assembly (see 4.3)
Twist the gas valve anti-clockwise to disen-
gage it from the fan
Replacement Gas Valves are not fac-
tory set and will need to be set up