Main Eco Compact Combi 25 Installation And Service Manual page 61

Fig.64 Removing the gas valve
Important
After replacing the gas valve the CO
ted. Only change the valve if a suitable calibrated combustion an­
alyer is available, operated by a competent person.
1. Undo the screw and disconnect the electrical plug.
2. Turn the gas cock off and undo the nut on the gas valve inlet under­
neath the boiler.
3. Undo the nut on the gas valve outlet. Ease the pipe aside.
Important
The gas nozzle injector is inserted in the gas valve outlet.
4. Remove the screws securing the gas valve to the boiler bottom pan­
el. Remove the valve.
5. Transfer the gas nozzle injector to the new valve, ensuring it sits in
the valve outlet. Examine the sealing washers, replacing if necessa­
ry.
6. Reassemble in reverse order.
Important
Check gas tightness and combustion.
PN-0000308
9 Maintenance
must be checked and adjus­
2
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