Remove the small plastic nuts from the air switch and the control box. Hand tighten both nuts to. An effective solution is to install a garbage disposal air switch. In this article, we will explore why you should consider adding one and provide a step-by-step guide for the installation process. What is a Garbage Disposal Air Switch? A garbage disposal air switch is a convenient and safe. Plumbing and heating expert Richard Trethewey helps a homeowner install a garbage disposal controlled by a safe, convenient air switch installed in her countertop. Enhance your kitchen's convenience today! (Many of the links in this article redirect to a specific reviewed product. Your purchase of these products through affiliate links helps to.