Intermatic 300 W Pool & Spa Safety Transformer | PX300 Replacement Heads Parent and finally the cone gear

and finally the cone gear bushing

Its rugged body

Output: Up to 2

Facilitates easy installation and removal of pop-up heads

this is the fix

Intermatic 300 W Pool & Spa Safety Transformer | PX300 Replacement Heads Parent and finally the cone gearIntermatic 300 W Pool & Spa Safety Transformer (Input 120V) (PX300) This safety transformer are specifically designed to supply 12 14 VAC and is suitable for directly connecting underwater pool spa lights. A grounded shield between the primary and secondary winding assures safe operation. Built in circuit protection will disconnect power to the transformer in case of an overload. Features: Mounting brackets on the top and bottom Built in circuit