Gerber 28-385, Pressure-Assist Toilet Tank, Left-Hand Trip Lever, Metal Lever, White Tank, 1.6 gpf, Ultra Flush Series

Gerber Ultra Flush® Toilet Tank – 1.6 GPF, Pressure Assist, 10" Rough-In, Left-Hand Lever (Model G0028385)

The Gerber G0028385 Ultra Flush® toilet tank is engineered to deliver consistent, high-performance flushing using Sloan’s pressure-assist technology. Operating at 1.6 gallons per flush (GPF), this model is designed for installations requiring a 10-inch rough-in. It features an insulated tank liner to prevent external condensation, and a left-hand trip lever for standard operation. Constructed from vitreous china, the tank is built for long-term durability in both residential and commercial applications.

Key Features

• Pressure Assist Technology: Uses Sloan Flushmate® system to deliver powerful, reliable flushing performance suitable for high-traffic use.
• 1.6 GPF Efficiency: Complies with federal performance standards while delivering consistent bowl clearance.
• 10" Rough-In Compatibility: Designed for installations requiring a shorter wall-to-flange distance.
• Insulated Tank Liner: Reduces external condensation in humid conditions to help maintain a clean bathroom environment.
• Durable Construction: Made from vitreous china for enhanced durability and surface integrity over time.
• Left-Hand Trip Lever: Standard flush handle placement for user familiarity and accessibility.

Technical Specifications

• Model: G0028385
• Flush Type: Pressure assist (Sloan Flushmate)
• Flush Volume: 1.6 gallons per flush
• Rough-In: 10 inches
• Width: 20-1/4 inches
• Depth: 8-3/4 inches
• Material: Vitreous china
• Trip Lever Location: Left-hand

Installation Notes

This tank is intended for use with compatible Ultra Flush® pressure-assist bowls. Installation requires standard plumbing tools and may include adjustments for tank-to-bowl gasket alignment and pressure vessel connection. It is recommended that installation be completed by a licensed plumber to ensure proper sealing, pressure system calibration, and code compliance.

Application Suitability

Well-suited for renovation projects or new construction requiring a high-performance flushing system, the G0028385 tank is an ideal option for commercial restrooms, multi-family housing, or residential applications where reliable waste removal and water efficiency are required.