Operator guards, heads, and legends for push buttons increase functionalities, replace worn and damaged parts, or build new push button assemblies. Guards for push buttons cover operator heads to help protect against accidental engagement. Heads for push buttons are the faces of push buttons that are pressed to activate or deactivate the switch. Legends for push buttons are labels that identify the settings and functionalities of the switch. Installation tools and replacement parts for push buttons help maintain, install, and repair push buttons.