SPA SYSTEM

SPA SYSTEM A spa system particularly adapted for installation as part of a bathtub within the home. The various jets are fed recirculated water from a pump by individual lines from a manifold to assure equal output regardless of its distance from the pump. The jets are venturi-type jets of the type to aspirate and entrain air in the output stream. The jets are connected to an adjustable air inlet system designed to allow adjustment of the air being aspirated into the water stream as well as preventing undesired water splash or spray therefrom in the event of jet blockage. Background of the Invention The present invention relates to spa systems and, more particulaly, to spa systems of the recirculating type wherein water is drawn from a tub and recirculated through jets to create a turbulent environment typically having water bubbles entrained as a part thereof. Spa systems are known in the art and have gained increased popularity over the past few years. In the typical spa system, water is drawn through a drain in the bottom of a tub into a pump and recirculated therefrom back into the tub through a series of jet openings disposed about its periphery. It is also very popular to include entrained bubbles within the emerging water stream from the jets. This is accomplished in two ways. In one type of system, the water and air are fed to the nozzle in separate pressurized lines. This, of course, requires the use of a so-called "jet pump" to provide the pressurized air. In the other type of system, the water is passed through the jet under pressure and the jet is constructed with a venturi to create a low pressure area therein. conduit is provided communicating between the venturi throat and the atmosphere. As a result, air is aspirated