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The Leister LHS 21 advanced air heaters are distinguished by their extremely small dimensions – especially the lean design (only 2.64 inches wide) – as well as their long service life. Designed for professional integration in machine systems, the new LHS series enable any specific application. Sterilization, drying, welding, cleaning, shrinking, shaping, deburring and activation are now more efficient and reliable thanks to Leister's proven hot air technology.

The LHS 21 series of air heaters operate from 1 to 3.3kW. They are available in single-phase voltages of either 120 to 230 V. Air inlet and air outlet connections are compatible with the predecessor heater the LE Type 3000 and its accessories. There are three different design lines: Classic, Premium and System.

The LHS 21 Classic, Premium and System heaters come with an internal electronic overheating detection system. In case of interruption of the air supply, the built in detection system will sense this and send a control voltage alarm signal, protecting the built in heating element from burn out.

The Leister LHS L in the series stands for high power with a correspondingly longer heating element compared to the S version. The LHS Premium and System heaters include built in power and temperature controllers, built in temperature adjustability via an integrated potentiometer. The LHS System heaters feature a digital display and include a built in remote control interface so that the heaters can be controlled externally via a PLC or temperature controller.

The LHS 21 heaters require an external air source to complete the system, can be used with compressed air or blown air from the Leister ROBUST blower, Leister MONO blower or the Leister AIRPACK blower, as well as airflow valves and on/off valves, rotary vanes, diaphragms and linear pumps. Many standard stainless hot air nozzle attachments are available to direct hot air where you want it.

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