Von Duprin 050493 Bottom Latch Kit for 3347; 3547; 9447; 9547; 9847; 9947

The Von Duprin 050493 Bottom Latch Kit provides replacement hardware for 3347, 3547, 9447, 9547, 9847, and 9947 series exit devices. This kit contains the bottom latch assembly components needed to restore proper exit device operation when the lower latch mechanism has worn or failed. The kit works specifically with multi-point exit devices that secure at both top and bottom positions.

This replacement kit meets ANSI/BHMA A156.3 requirements for exit device hardware and carries UL 10C listing for fire door applications. Installation requires standard door hardware tools and follows Von Duprin's field service procedures. The bottom latch kit maintains the original exit device's operational specifications and fire rating when properly installed.

Commercial contractors use this kit for maintenance of high-traffic exit doors in schools, offices, hospitals, and retail buildings. The bottom latch assembly handles the lower portion of the exit device's securing function, making it critical for proper egress performance. Regular replacement of worn latch components keeps exit hardware functioning within code requirements.