Stovax Aspen - Manual (Page 29)

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8.1 Remove the fire, refer to section 1.
8.2 Disconnect the 2x8mm and 1x4mm gas pipe fittings at the
back of the gas valve, arrow A and disconnect the
thermocouple. See diagram 10 arrow B.
8.3 Undo the single screw that secures the left-hand side of the
control cover. See diagram 11.
8.4 To release the right hand side of the control cover, insert a
narrow blade screwdriver into the slot shown in diagram 12,
lever it gently and pull from the right hand side at the same
time. The cover will now come off. There is a small
cylindrical metal spacer inside the cover, this must be kept
and replaced on the fixing screw during re-assembly.
8. GAS VALVE
8.5 Disconnect the ignition lead from the gas valve, see section
2.
8.6 Undo the two screws securing the gas valve to the control
bracket and remove the valve.
8.7 Replace in reverse order.
8.8 Check all joints for gas leaks; check operation of the
thermocouple and ignition lead.
9.1 The following parts must be changed when converting from
one gas type to another:
• Engine Assembly
• Air Box Gasket
• Pilot Assembly
• Databadge
Please note: The control valve will be preset for the correct
gas type and model number.
9. CHANGING BETWEEN GAS TYPES
SERVICING INSTRUCTIONS
REPLACING PARTS
10
11
12
A
B