The Henny Penny 54228 Drain Switch With Boot is a safety-mounted electrical switch that detects the presence of proper oil levels in commercial fryers and activates the drain system accordingly. When installed at the fryer’s base, the switch responds to fluid contact and signals the control system to permit safe oil drainage or prevent operation when levels are incorrect. It includes ... https://www.partsfe.co.uk/wells-54228-switch-7-8-x-1-1-2-dpst