Back cover, electronic used on some GE brand water softeners.
Water Softener Back Cover, Electronic - WS31X10018
AP3188296 APPLIANCES BACK COVER ELECTRICS ELECTRONIC GEH GENERALELECTRIC HOT-POINTS HOTPOINT MACHINES PARTS POINTS PT9564888 RCA REPAIRS REPLACEMENTS SOFTENER SOFTENERS SOFTENS UNITS WATER WS31X10018