Magnetic Tool is now part of the new Ref Tools app, our essential, all-in-one mobile app for air conditioning and refrigeration technicians. Ref Tools gives you access to the tools, guidance, support, and information you need—on the job and in the field. Download Ref Tools to access the latest version of Magnetic Tool. Ensuring that a solenoid valve coil is working properly, or detecting a faulty one, is an important step in many repair or installation projects. Magnetic Tool makes testi