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How to Replace UPVC Window Handle When it comes to replace the window handle made of UPVC, the first thing to think about is the kind of handle and lock that you own. In-line Espagnolette handles are the most common option that can be used in any UPVC window with a crank mechanism (where handling is an issue). You can remove the spindle by opening the windows 90 degrees, then rotating the screw or pin. Spindle The first step in replacing windows made of upvc is to ensure that t