The “High Level Alarms” provide audible and visible alarms formonitoring levels of liquids. It can be directly mounted on a fuel tank toprovide a warning of a near full tank level. Optionally the alarm indicator may be remote mounted from thesensor. The powerful audible alarm can be heard over the sound of the pumpingequipment. The “High Level Alarms” are weather proof and can be mounted in wet environments.