17
5.9. To replace gas valve ignition module
?
Locate ignition module attached to side of gas
valve.
?
Remove screws securing cover onto ignition
module, see diagram 39.
?
Disconnect ignition and flame sense leads from
module.
?
Remove cover and disconnect 12 pin and 2 pin
multi-plug from module.
?
Withdraw module from gas valve, see diagram
41.
?
Fit replacement module, ensuring it is of the
correct type for the boiler, in reverse order
removal.
?
Re-connect ignition and flame sense leads, the
connections are uniquely sized to ensure correct
replacement.
?
Re-connect 2 pin and 12 pin multi-plug onto
module.
?
Refit cover ensuring all sealing grommets are
correctly located in module body.
?
Tighten screws securing cover onto ignition
module.
5.10. To replace gas valve
?
Ensure that gas supply to boiler is turned off at
gas cock.
?
Remove ignition module as descdibed
previously.
Diagram 39
Diagram 40
Diagram 41
