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How to Replace UPVC Window Handle The kind of handle or lock you own is the first thing you should think about when replacing a upvc window handle. The handle that is in-line with Espagnolette is a common option that will fit any UPVC window that is equipped with a crank system (where handling is required). You can remove the spindle by opening the windows 90 degrees, then rotating the pin or screw. Spindle The first step in replacing window handles made of upvc is to make sure that the new handle is compa