pilot light keeps going out!

for the past couple of weeks, the pilot light on the boiler (glow worm space caver 38) keeps going out. it seems to happen more often than not on windy days. if you look you can see the pilot light flicker when you here the wind blowing outside. Does this mean i have a leak somewhere in the system? any suggestions much appreciated.

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Moderator's note:This is a duplicate of your post
//www.diynot.com/forums/viewtopic.php?t=69605
so I have locked it.

Please have a look at the Forum Rules.

Mod Rupert
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probably just needs a service