Greenlee 521A Wire and Valve Locator

The Greenlee 521A Valve Locator is part of Greenlee’s premium collection of tools and accessories. This locator valve is designed with a high-powered transmitter that offers extended long-range measuring and allows you to use it on higher resistance wire paths. It’s reciever provides an adjustable loudspeaker audio headset audio and visual indications of signal strength. It also includes a pair of rugged headphones to block out ambient noise.