The Waterfall Control Valve controls the operation of the Waterfall in your Spa by allowing you to open it or close it. With the use, the inner part of the valve may become loose causing leaks.
Sometimes, the leak coming from the Waterfall Control Valve can be easily resolved by tightening the inner portion of the valve without having to replace the entire valve.
Pull the external cap of the Waterfall Control Valve to expose the internal mechanism and rotating clockwise, hand tight it until the leak stops. Then, replace the cap.
If the leak does not stop, it is possible that either the O-ring has been caught and needs replacing
or internal mechanism is damaged in which case - the Waterfall Control Valve will need to be replaced.
If issue persists or you need more guidance please create a Support ticket here
where a support agent will be able to guide you through resolving the issue.