Caretaker (Jandy In-Floor) Threaded Cleaning Head Light Cream 3-9-510Caretaker (Jandy In Floor) Threaded Cleaning Head Light Cream 3 9 510 NOTE: Threaded heads were primarily used before 1992. Pools constructed after 1992 typically utilized bayonet style replacement heads. Important: These heads do not include nozzle inserts. Key Features: Optimized Circulation: Unlike ordinary pools that rely on surface inlets for water circulation, the Caretaker system delivers enhanced circulation. This prevents issues like uneven