Jacuzzi Carvin DVK4 1 1 2" [4 Position] Multiport Valve Kit (39 2582 07 R) aquastar The AV 40 and LS 40 compatibility The AV 40 and LS 40 compatibility and quantity of two format give this set its practical value because handling parts work best when they match the original assembly relationship closely and are replaced as a matched pair when needed It supports proper surface skimming by helping water move into the skimmer while reducing backflow disruptions A properly selected replacement helps restore intended function selection and supports a cleaner repair path than mixing mismatched valve pieces this multiport valve kit helps restore dependable control at the filtration system and contributes to a stronger repair overall