TC28590 Gerber Plumbing Toilet Tank Cover White 12R Viper 1848860

The Gerber TC28590 Maxwell Tank Cover is an OEM replacement component designed for use with Gerber 12-inch rough-in Viper series toilet tanks. Fabricated for dimensional accuracy and surface uniformity, the cover provides a secure fit and maintains system integrity in vitreous china tank assemblies. The component is finished in white glaze and manufactured to match the mechanical and aesthetic specifications of the original fixture design.

Technical Specifications

• Manufacturer: Gerber Plumbing Fixtures
• Model Number: TC28590
• Part Number: 1848860
• Product Type: Toilet Tank Cover
• Series Compatibility: Maxwell / Viper Series
• Rough-In Size: 12-inch rough-in configuration
• Material: Vitreous china
• Finish: White glazed coating (color code: WH)
• Length: 20 inches
• Width: 9-1/4 inches
• Height: 2-1/2 inches
• Mounting Type: Fits corresponding Gerber Maxwell/Viper tank body
• Application: Replacement or OEM installation for Gerber tank assemblies
• Construction: Kiln-fired vitreous china, precision-molded for tolerance fit
• Compliance: Meets dimensional and material specifications for Gerber OEM components

Summary

The Gerber TC28590 Maxwell Tank Cover is a professional-grade replacement part designed for 12-inch rough-in Viper and Maxwell toilet models. Constructed from durable vitreous china with a precision-matched glaze finish, it ensures a proper mechanical fit and consistent tank coverage. Intended for use by plumbing contractors and maintenance professionals performing fixture repair, retrofit, or OEM service installations.