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The BSC PREFERRED WS481254A is a wire shelving add-on kit designed to expand an existing starter shelving unit by sharing a set of posts. The kit includes four shelves, two posts, and eight S-hook connectors, providing a complete structural expansion without requiring a full standalone unit. It is intended for use in warehouse, storage, and material-handling environments where modular shelving systems need to scale incrementally. Installation is handled by warehouse personnel or facilities maintenance staff familiar with wire shelving systems.
The WS481254A pairs directly with starter unit WS481254 and supports multiple configuration layouts, including straight-line, back-to-back, and right-angle (L-shape) arrangements. This flexibility allows operators to customize shelving runs to fit their available floor space. Additional shelves and accessories are sold separately. Note that a starter unit combined with this add-on unit cannot be made mobile using casters.
Designed for use with BSC PREFERRED starter unit WS481254. This add-on kit replaces equivalent part number H-2937-54A. Additional shelves and accessories are sold separately and must be sourced to match the existing shelving system.
Installation is typically performed by warehouse or facilities maintenance personnel. Before assembly, ensure the existing starter unit is unloaded and stable before attaching the add-on components. Follow the manufacturer assembly sequence for attaching posts and securing shelves with S-hook connectors. Do not attempt to add caster mobility to the combined starter and add-on unit assembly.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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