EPCON, electro-pneumatic controller. Product Details The EPCON (Electro-Pneumatic Controller) utilizes the latest digital technology to provide the most accurate and reliable electronic control system. The EPCON provides all the latest electronic control functions with simplicity and reliability of a pneumatic controller. The EPCON Controlle . NOTE: Reconditioned unit tested & found in good working condition. we have all spares available. Save money & planet Earth: buy reconditioned spares from our stock.Sve your Money .