Crown (Middleby) OB-4-2-54-E Steam Kettles

Crown OB-4-2-54-E Electric Oyster Bar

Purpose-built for high-volume shellfish stations, the Crown OB-4-2-54-E delivers lightning-fast steaming, effortless tilting and rock-solid 24 kW boiler performance—all in a space-saving 54" wide footprint that drops into your cookline and goes to work.

Why you’ll love it

• Four independent kettles – each 2 L (≈2.1 qt) with lift-off covers for batch flexibility and reduced cross-flavouring.
• True one-hand tilt – stay cool handles swing a full 90° for quick, complete drain-off.
• Built-in spillage sink & drain screen capture liquor and shells, keeping counters spotless.
• Direct-steam connection with steam control valve neatly housed in the right leg — no external piping clutter.
• Pro-grade 316 stainless kettle liners resist brine corrosion far better than 304 SS.
• CSD-1 compliant boiler controls, automatic water level & blow-down for hands-off safety and simplified maintenance.
• Split water line + water-treatment system included—protects your investment and maintains warranty compliance.
• NSF & cCSAus listed for worry-free inspection approval.

Steaming power & efficiency

• Electrically-heated boiler operates at a steady 9–11 psi (62–76 kPa) for consistent, high-velocity steam.
• Standard 24 kW element; 36 / 42 kW upgrades available to match aggressive throughput targets.
• Automatic boiler blow-down dumps sediment daily—no manual purging required.
• Safety relief valve, dual pressure controls and pressure gauge keep crews protected and informed.

Built for the grind

• #4 finish stainless cabinet exterior holds up to salt, acid and everyday scrubbing.
• 6" stainless legs with adjustable flanged feet anchor securely to the floor.
• Hinged doors & removable side panels provide instant service access.
• Steam manifold, trap and relief valve are concealed inside the frame for a clean front-of-house look.

Technical specs

Optimal performance requires incoming water to meet Crown’s published quality standards (TDS < 60 ppm, pH 6.8–7.3, etc.). The supplied water-treatment system simplifies compliance.