Gerber VP-21-552, 12" Rough-In Toilet Bowl, White, Round Front, 1.6 gpf, Viper Series

Gerber Viper® Round Front Toilet Bowl – Model GVP21552

The Gerber Viper® GVP21552 is a round-front, floor-mounted toilet bowl engineered for performance and compatibility with 1.6 gallons per flush (gpf) gravity-fed tank systems. Designed for both residential and light commercial installations, this model delivers consistent waste removal through a 2" glazed trapway and is constructed from durable vitreous china for long-term service.

Key Product Details

• Flush Compatibility: Pairs with 1.6 gpf tanks for gravity-fed flushing systems
• Material: Vitreous china with a white finish for easy cleaning and long-term appearance retention
• Bowl Shape: Round front – ideal for space-constrained bathrooms
• Trapway: 2" fully glazed to support smooth and consistent drainage
• Water Surface Area: 9-5/8" x 7-1/8" for effective bowl rinse coverage
• Rough-In: 12" standard rough-in for typical floor-mounted configurations

Technical Specifications

• Model Number: GVP21552
• Mounting Type: Floor-mount
• Bowl Height: Standard height (non-ADA)
• Flow Rate (with tank): 1.6 gallons per flush
• Finish: White

Installation Considerations

Designed for 12" rough-in installations, the GVP21552 is compatible with a range of Gerber tank models. While installation is relatively straightforward, professional installation is recommended to ensure compliance with local plumbing codes and proper seal integrity at the waste outlet and bowl-to-floor connections.

Professional Notes

• ✔️ Compact bowl profile is ideal for retrofit and limited-clearance bathroom applications
• ✔️ Fully glazed trapway and generous water surface help maintain cleanliness between flushes
• ✔️ Vitreous china construction offers excellent resistance to staining and wear

Recommended Applications

• Residential remodels or additions
• Multi-family housing replacements
• Light commercial projects requiring space-saving bowl geometry