Completely Automatic Pressurizing Units Provided With Horizontal 25L And Self-Priming Jet Pump. Automatic High Pressure Groups Coupled With Self Priming Jet Pumps. They Are Very Silent And Reliable And Particularly Suitable To Increase Pressure From A Water System; To Supply Water From Wells And In Domestic High Pressure Groups. Installed To Provide Or Increase The Pressure Water System. Pressure Tank Provided With Interchangeable Rubber Membrane. Single-Phase 230V.