STORE REFUSING TO REPAIR MY TV SINCE BOX WAS LOST

I BOUGHT A BLAUNKPAUKT 32 INCH TELEVISION 14/09/2018 AFTER A MONNT TV STARTED HAVING BLUE LINES ON THE SCREEN OF WHICH IT ESCALATED WHEN I WENT BACK TO TAKE THE TV BACK IN FOR REPAIRS THE FRANCHISE BURNT DOWN IT WAS CLOSED FROM NOVEMBER TILL OPENING MARCH TOOK THE TV IN SINCFE THE LINES WERE WORSE I WAS TOLD ITS GOING TO REPAIRS I LOST THE BOX SINCE I MOVED PLACES WHEN I WENT TODAY 5/9/2019 TO COLLECT MY TV I WAS TOLD I WILL BE CHARGED FOR THE BOX THAT I LOST OF WHICH I WONDERED IS THAT I ALLOWED AND WHAT ABOUT MY TV IS FIXED THE MANAGER I SPOKE TO IS *********** I NEED MY TV REPLACED