The Wells 500166 warmer element converts electrical energy into heat for compatible commercial food warming equipment. Operating at 208V with a 1650W rating, it generates the thermal output needed to maintain food at serving temperatures. The element includes an 8-32 x 1/4" screw for its specified mounting arrangement. https://partsfe.com/500166-wells-warmer-element-208v-1650w/1-500166.html