250mm ESPAG GEARBOX FOR UPVC WINDOWS - 20mm BACKSET
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250mm ESPAG GEARBOX FOR UPVC WINDOWS - 20mm BACKSET
REPLACEMENT WINDOW ESPAG MECHANISM 250mm WITH 20mm BACKSET THE ESPAG MECHANISMS HAVE DIFFERENT BACKSET MEASUREMENTS AND IT IS IMPORTANT THAT THE BACKSET OF THE REPLACEMENT IS THE SAME AS THE ORIGINAL. THE BACKSET IS THE DISTANCE FROM THE FRONT EDGE OF THE RAIL TO THE CENTRE OF THE SPINDLE HOLE IN THE GEARBOX. THE CENTRE HOLE IN THE GEARBOX IS THE SPINDLE HOLE, THE OTHER TWO ARE SCREW HOLES AND THESE ARE THE SAME DISTANCE APART ON ALL MECHANISMS. THE ESPAG MECHANISMS COME WITH DIFFERENT RAIL LENGTHS DEPENDING ON THE SIZE OF YOUR WINDOW. THE RODS HAVE CAMS ON THE RAIL THAT SLIDE FROM SIDE TO SIDE WHEN THE HANDLE IS TURNED. THESE CAMS LOCATE INTO KEEPS (not included) ON THE FIXED SIDE OF THE WINDOW. MOST CAMS USED NOWADAYS ARE CALLED MUSHROOM CAMS BUT THESE CAN BE USED WITHOUT PROBLEM IN PLACE OF ROLLER CAMS. THERE ARE DIFFERENT MAKES OF ESPAG RODS BUT AS LONG AS THEY HAVE THE SAME BACKSET, RAIL LENGTH, CAM HEIGHT AND TYPE THEN THEY ARE GENERALLY INTERCHANGEABLE. IT MAY MEAN REPOSITIONING THE KEEPS AND OCCASIONALLY THE HOLE FOR THE GEARBOX IN THE WINDOW FRAME MAY HAVE TO BE ENLARGED. FIXING SCREWS ARE NOT INCLUDED. ALL ITEMS ARE BRAND NEW. FOR OTHER DOOR AND WINDOW ACCESSORIES PLEASE VISIT OUR Ebay Shop. FOR MULTIPLE PURCHASES OF DIFFERENT ITEMS PLEASE ASK FOR COMBINED POSTAGE COSTS. MAKES MAY VARY. THANKS FOR LOOKING EM02 | ||||||||||||
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