The AllPoints Foodservice Parts & Supplies 422035 is an interlock switch assembly designed for use with Amana models HDC21RB and RC22S. This durable switch ensures reliable operation and safety by preventing the appliance from running when the door is open. Its robust construction guarantees longevity and consistent performance in demanding foodservice environments. Easy to install, this switch assembly is an essential component for maintaining the functionality and safety of your Amana equipment.