The 9000CJ automatic steam cleaner is part of a new generation of highly flexible, professional, Made in Italy jewelry steam cleaners. I has the ability to go from an external direct water feed to an external water supply with a 4.5L boiler tank . This is done with the turn of a lever inside the unit. Everything else you expect from a Reliable steam cleaner is included; a heavy-duty contactor switch, a blowdown valve, and an adjustable steam nozzle with a foot pedal controller. - Up to 60 PSI / 4.1 BAR Steam Pressure - External Solenoid with Variable Steam Dial for Precise Control - Enhanced Safety with 4 Safety Systems - Adjustable Steam Nozzle with Foot Pedal for Hands-Free Operation - Durable Stainless Steel Enclosure for Long-Lasting Performance - Features Low Water Indicator Light and Pressure Gauge - Easy Cleaning: Blowdown Valve for Maintenance - Unlimited Hours of Continuous Steam for Nonstop Steaming - Heavy Duty Locking Castors for Easy Maneuverability - Proudly Made in Italy for Exceptional Quality and Craftsmanship