Welch Allyn/Hillrom-411961 Switch Assembly for Scale-Tronix 4802D Pediatric/Infant Scale (Each)Welch Allyn Hillrom 411961 Switch Assembly for Scale Tronix 4802D Pediatric Infant Scale Restore full functionality to your pediatric or infant scale with this genuine Welch Allyn Scale Tronix Switch Assembly (Part 411961). Designed specifically for the 4802D model, this replacement switch module handles the front panel user interfaceensuring reliable operation of key functions like zeroing, unit conversion, and mode switching. SKU Product Description