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:

• Jacuzzi® J-LX™ (2023–Present)
  
• Jacuzzi® J-500™ (2015–Present)
  
• Jacuzzi® J-400™ (09/2015–Present)
  
• Jacuzzi® J-300™ (2016–Present)
  
• Jacuzzi® J-200™ (2018–Present)
  
• Jacuzzi® J-200™ (2018–Present)
  

Other compatible or related components:

• View: Sensor: Temperature Sensor – Jacuzzi® J-400 Series (2010–2015) – 6600-181
• View: Sensor: Temperature – Jacuzzi® J-400 Series (2002–2009) – 6600-167