Hydrant Defender™ Security SystemSource: Mueller Co.
Provides fire hydrant security on two levels — prevents unauthorized access to nozzles and operating nut, and makes evidence of tampering clearly visible. Easy to install and remove in just seconds by authorized crews and fire personnel. Features a stainless steel lock with key uniquely coded for the purchaser and strictly controlled by the manufacturer, a leading maker of security locks. The most affordable — and dependable — hydrant locking device available today.