You just selected:
Code Gecko
9920-400178
LIGHT SOCKET & CABLE FOR SSPA, MSPA AND TSPA - LENGTH 8'
LIGHT SOCKET & CABLE FOR SSPA, MSPA AND TSPA - LENGTH 8'
You should also consider these companion products:
Code Gecko
510AD0249
PRESSURE SWITCH 2PSI (replaces 510AD0167)