Over the last seventy years, airserco has been a leading single source provider of refrigerant processing equipment and accessories. Airserco`s refrigerant cylinder heaters 4055, is an automatic time switch which consists of a 24-hour synchronous motor clock that can be set to run the cylinder heater on and off for predetermined days and times. This switch is generally supplied for 115 vac, 60 hertz a.C. Also available for other voltages to meet users` needs.
