The Hatco R02.06.450.00 sink heater element delivers consistent water heating to support reliable sanitation in commercial sink systems. This product is a 2-1/2 inch square flange immersion heater designed to mount securely using 1-3/4 inch on-center bolt holes and a round gasket that helps create a proper seal. It works by converting electrical energy into heat, warming the water dir... https://partsfe.com/sink-heater-element208v-4500w-1-34-oc-for-hatco-part-r020645000