Dishwashing Racks, Baskets & Accessories

Most commercial dishwasher racks are 500mm × 500mm — this is the near-universal standard for undercounter, pass-through, and hood-type machines. The 500×500mm format accommodates approximately 25–36 glasses or a full cover of dinner plates per cycle. However this is not a guaranteed universal standard — some European brands vary slightly in their rack opening dimensions. Always confirm your dishwasher's exact rated rack size before ordering. Glasswasher-specific baskets are typically smaller: 400mm × 400mm is common for dedicated undercounter glasswashers. A rack that overhangs even slightly will not slide in correctly and will cause a wash failure or machine fault.

In commercial warewashing, a rack is the primary 500×500mm unit that slides into the dishwasher — it holds items directly or holds smaller baskets. A basket is a smaller insert: cutlery baskets hold loose cutlery upright inside the rack; glass baskets are compartmented units that separate individual glasses. Some baskets are standalone freestanding units for glasswashers (the whole 400mm glass basket goes into the glasswasher directly, with no surrounding rack). Note: terminology is inconsistent across brands — Winterhalter calls its 500×500mm units "baskets" while Cambro calls them "racks". Focus on dimensions and function rather than the label.

No — while the 500×500mm format is close to universal, there are important compatibility checks to make before ordering. First, confirm your dishwasher's internal rack opening dimension — some brands vary by a few millimetres. Second, confirm the internal height clearance of the machine against the rack's height plus your tallest loaded item. Third, some brands (Winterhalter, Hobart) manufacture proprietary peg inserts and accessory systems that integrate specifically with their machines' spray pattern — these still fit the 500×500mm format but may not perform optimally in other machines. Universal-fit polypropylene racks from Cambro or Carlisle are the safest choice for mixed-brand operations.

Stainless steel (Grade 304) is the strongest, most durable, and easiest to sanitise — the preferred choice for high-volume commercial kitchen dish pits. It will not corrode, deform under heat, or absorb odours, and handles daily cycling at commercial dishwasher temperatures without degrading. Polypropylene (high-grade plastic) racks are lighter, gentler on glass rims, and will not scratch or chip delicate drinkware — the better choice for glasswashers and venues where breakage reduction is the priority. The one material to avoid is vinyl-coated wire: the coating chips and peels over time and is very difficult to keep hygienically clean in a commercial context. A chipped vinyl rack in a commercial kitchen should be replaced immediately.

Match the rack's cell aperture to the diameter of your widest glass at its rim. Common cell configurations: 16-cell (large aperture, suits large wine glasses, beer steins, tall cocktail glasses), 25-cell (medium aperture, suits standard wine glasses, highball tumblers), 36-cell (small aperture, suits shot glasses, small water glasses, coffee cups). Always check the cell opening dimensions on the product specification against your specific glassware. Using a rack with cells that are too small will force glasses in at an angle — causing rim chips and jams. Using a rack with cells that are too large allows glasses to rattle and contact each other during the wash cycle.

A reverse osmosis system is plumbed to the dishwasher's final rinse inlet to remove dissolved minerals (calcium, magnesium) from the rinse water — eliminating the white water spots that hard mains water leaves on glassware as it dries. Spots are mineral residue, not a contamination issue, but they make clean glasses look dirty — a significant issue for bar, restaurant, and hotel operations where glass presentation is important. RO also reduces limescale build-up inside the dishwasher, extending machine service intervals. Particularly valuable in hard water areas (much of Victoria, South Australia, and regional Australia). Not necessary in areas with naturally soft water.

A bottle washing system uses high-pressure directional nozzles or probes to force hot water and detergent into narrow-neck vessels that dishwasher spray arms cannot reach inside. Used for wine bottles, water carafes, sauce bottles, hip flasks, and bar equipment. Standard dishwashers clean the exterior surfaces of items thoroughly, but cannot generate sufficient water pressure inside a narrow-neck vessel to clean it adequately. A bottle washer is necessary in any operation that refills water bottles or wine-service decanters, recycles glass bottles, or uses proprietary narrow-neck vessels (sauce bottles, oil pourers) that need internal sanitisation.