Caretaker 5-Port Bottom Plate 2" Plumbing Housing (Black) | 1-9-239 Standard 2.5" The Gray Sensor Assembly is

The Gray Sensor Assembly is used on UltraFlex 2 Cleaning Systems using the Sensor Plate with square holes

once they are in it is nearly impossible to remove them without causing damage to the nozzle or the pop-up head

Zodiac Caretaker

Five-port design for multi-zone in-floor cleaning systems

Caretaker 99 Bayonet In-floor Cleaning Head (Charcoal Gray)

Caretaker 5-Port Bottom Plate 2" Plumbing Housing (Black) | 1-9-239 Standard 2.5" The Gray Sensor Assembly isCaretaker 5 Port Bottom Plate 2" Plumbing Housing *2" REFERS TO THE SIZE OF THE FIVE PVC PIPE THE VALVE IS PLUMBED ONTO* This unit is only compatible with 2" Caretaker 5 Port Cleaning Valves. It supports the Caretakers five pistons and gear train and connects with the valve center plate for simple installation. DOES NOT INCLUDE O RING