Jacuzzi® Hot Tub O-Ring for Temperature Sensor. Part No. 6540-228.
The O-Ring for the temperature sensors of the following model sensors; J400 (2006-2009), J300 LCD Models (2002+).
This O-Ring can also be used on the air bleed line fitting in the following models: J500 (2015+), JLX (2011+), J300 (2005+), J400 (2009+).
Part Name: O RING EPDM
Measures: 0.662" ID x 0.210" Ø
Part No. 6450-228.