no problem,turn off the hot water,at the hot water tank or in the roof,undo the hot tap joint and insert a fiber washer,easy to obtain at any plumbers merchant,ask for a 1/2"fiber tap washer,re the leak from the spout.you will have to remove and replace the rubber washer,look at the rear of the spout and undo the small grub scrw.FIRST BLOCK THE PLUG HOLE OR THE SCREW WILL GO DOWN, then pull up on the spout and it will disconnect,you will see 2 rubber washers remove and replace with new washers,reassemble in reverce order.PS you do not have to turn off the water to undertake the spout leak
tommm
May 2009