This is my favourite type of tilt sensor, they just seem to be the most reliable of all.
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Before you order a replacement latch, give your old one a spray of penetrating oil, it might just need some love.
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If your switch isn’t making a clicky clicky sound when you press it in, maybe it’s time for a new one.
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In 10 years I’ve only ever seen one of these fail on it’s own, if you ever need one though we have them.
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Spare Key Set
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