washer only fills tank on hot setting

:confused: WHAT IS THIS PARTS NAME? :rolleyes:
THE HOSES CONNECT TO IT, IT CONTROLS WHETHER WARM HOT OR COLD ENTER THE TANK (NOT THE ELECTRONIC SWITCH ON THE FACE)

I MEAN THE ONE ON THE BACK. PLEASE HELP?:wink: I NEED TO REPLACE THIS PART! :cool:
WHATโ€™S WEIRD IS, ONLY COLD HAS WORKED!
NOW ONLY HOT IS DELIVERED TO THE TANK

"YES THE HOT & COLD WATER IS ALL ON!

WHAT CAUSES THIS? CALCIUM BUILDUP?

MODEL# la5380xswo

I HAD TO REBUILD ONE OF THESE MANY YEARS AGO FOR ONE OF MY FRIENDS.

Itโ€™s the water inlet valve. Either side can quit working. Sediment can speed the wearing process and cause it to stick. If you can get it apart you may be able to clean it up so it works again but you surely donโ€™t want it to stick open.