CHL multi-stage stainless steel hot and cold water automatic variable frequency booster pump,AC variable frequency speed regulator and horizontal stainless steel multistage centrifugal pump is combined to form a compact.stable,fully fucntional,reasonable and reliable automatic control integration Automatic pressurization equipment.Suitable for all kinds of families and villas,small boiler feed water system,industrial water circulation system,cooling system,industrial irrigation and water sprinklers and other occasions water booster.