NuTone BKL340LSN Wired Chime with LED Push Button, Satin Nickel

Optimize entry-point communication and site security with the Broan-NuTone BKL340LSN wired chime. Designed for builders, property managers and facilities teams, this line-voltage doorbell combines fast, reliable installation with professional-grade features that support everyday monitoring and access control. The unit includes a built-in transformer and wires directly to line voltage, reducing install time and the need for extra components. Two preset electronic tones let you distinguish front and rear door activity instantly, improving workflow and visitor management. The satin nickel wired pushbutton features a long-life LED for clear visibility at night and in dimly lit areas. The chime fits into a standard dual-gang junction box for clean, code-compliant mounting and can be expanded with a wireless kinetic pushbutton to cover multiple entry points without additional wiring. Backed by Broan-NuTone’s practical design and a 1-year limited warranty, the BKL340LSN blends aesthetics with function for residential and light commercial environments. Ideal for integrating with broader security and monitoring plans—order now to streamline installations and enhance perimeter awareness.

• Reduces installation time and labor by wiring directly to line voltage with a built-in transformer
• Professional, reliable signaling with two preset tones for front and rear doors to improve visitor management
• LED-illuminated wired pushbutton for long-lasting visibility and easy access in low-light conditions
• Installs into a standard dual-gang junction box for streamlined retrofits and new construction projects
• Expandable: easily add a wireless kinetic pushbutton for additional entry points without complex rewiring