Jacuzzi DV4 Valve Lid Repair Kit (39 1621 02 R) carvinjacuzzi and this Balboa Temperature Sensor and this Balboa Temperature Sensor Cable Assembly is designed for compatible applications using a 96 inch by 3 8 inch and 31 inch by 1 4 inch layout where the original assembly has become damaged or unreliable A properly selected replacement helps restore a cleaner vacuum connection point and supports more dependable cleaning sessions A focused kit like this is especially useful when the valve body remains serviceable and the weakness is clearly concentrated in the lid area When the upper closure side of a valve begins to fail