OEM Part: ROCKER SWITCH, OEM CHANGED SWITCH TO BLACK ROCKER THAT IS;10A/250VAC, 20A/125VAC;( WAS WHITE ROCKER W/CHROME BEZEL;25AMP/125/250V. );FITS 7/8″ X 1-1/2″ HOLE, 2EA 1/4″ TABS, SPST;MIDDLEBY MARSHALL;NU-VU OVEN OP-(2,3);PROOFER PRO18 Original Equipment Manufacturer (OEM) Part Numbers are given as a reference tool only.