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How to Replace UPVC Window Handle The type of lock or handle you are using is the first thing to think about when replacing a upvc window handle. The handle that is in-line with Espagnolette is a standard option that can be fitted to any UPVC window that is equipped with a crank system (where handing is applicable). You can remove the spindle by opening it 90 degrees, then rotating the pin or screw. Spindle To replace window handles made of upvc, you must first ensure that the handle is compati