soldered wires directly to fuse holder.Ran tub for an hour,fuse still very hot and fuse holder smells burnt.pulled cover to check wiring,bolth wires cold,just fuse holder hot,can not locate a new one locally again.Will post again when i find another.

Well i replaced the fuse holder and soldered the wires to it.Ran the tub for eight hours to bring back to temp and no more problems with fuse.Thank you for all the help.