The 1 inch spigot x 3/4 inch socket Venturi Tee has been computer designed to provide superior action. This relates directly to the volume of air which is drawn into the jet stream. The LASCO nozzle has been designed to eliminate changes when used with additional jets.
Refer to the Flow Per Nozzle Chart for ease in determining the proper operation of the Venturi Tee. It is recommended to base the design of a spa on the Rule of Thumb (one Venturi Tee for each 10 to 15 GPM’s. Attempting to push excessive flow through a Venturi Tee demands very high system pressures.