Welcome to the New Keller Supply Website - Our new website is now live. Enjoy improved product search, enhanced navigation, and an upgraded online experience. We welcome your feedback as you explore the new site.
These vibrating type bells are designed for use as fire or general signaling devices. They have low power consumption and high decibel ratings. The unit mounts on a standard 4 in (101 mm) square electrical box for indoor use or on a model BBK-1 or HC-BB weather-proof back box for outdoor applications. Weather-proof back box model BBK1 or HC-BB, Stock No 1500001.