9.If your regulator is connected to a vacuum plug, then connect the hose "E"
directly to the regulator"G". If your regulator is connected to a wall skimmer, then
pass the hose through the skimmer mouth and connect it to the
regulator via the elbow "F".
10. Adjust your filtration system to the vacuum setting. A pump of at least 1/2
horsepower (1000ga/h) is required.