Levcon float executed external cage level switches are perfectly suitable for liquid level signalisation in vessels under pressure and temperature conditions. The float movement is magnetically transmitted to initiate switch action at desired level. The switch application can be made to initiate alarm and/or automatic control. By offering longer switch box and 2-magnet type switch mechanism one float can be used to have switch level adjustability or can allow signal at one or more adjustable levels. All models can be available with ibr/lioyds certification to suit boiler or other important applications. Different materials of construction, various types of switching and many design features are available to match many different type of application.