6600-551 – OEM Jacuzzi® temperature sensor – 3-Pins, glass bead thermistor. Can replace 6600-533 and 6600-751 EXCEPT on 2016–07/2021 J-325, J-355 and J-365 models. Used in select Jacuzzi® J-LX™, J-500™, J-400™, J-300™, J-200™, and J-100™ Collection models manufactured from 2015 to Present.
Compatible with the following Jacuzzi® models: