Toilet Tank and Bowl, 2 piece, Round Front, White, 1.28 Gallons per Flush

Gerber Viper® 1.6 GPF Two-Piece Round Front Toilet – Model GVP31502

The Gerber Viper® GVP31502 is a two-piece, round front toilet engineered for effective waste removal and consistent flushing performance. Operating at 1.6 gallons per flush (GPF), this model meets standard water efficiency requirements while providing robust flushing power suitable for both residential and light commercial applications. Its 12-inch rough-in and compact round-front configuration make it ideal for installations where space is limited.

Key Performance Features

• Flush Volume: 1.6 GPF provides strong performance while maintaining water efficiency for code compliance.
• Dual-Fed Siphon Jet: Enhances bowl evacuation by increasing flow velocity, minimizing the likelihood of clogs.
• Round Front Bowl: Saves space in smaller restrooms while delivering standard comfort and functionality.
• Trapway: 2-inch fully glazed trapway for improved waste passage and consistent flushing.
• Fill Valve: Equipped with a Fluidmaster® 400A for reliable tank refill operation.
• Tank Components: Includes corrosion-resistant flapper and metal tank lever for long-term durability.

Technical Specifications

• Model: GVP31502
• Toilet Type: Two-piece, round front
• Rough-In: 12 inches
• Flush Volume: 1.6 gallons per flush
• Trapway Size: 2 inches (fully glazed)
• Color: White
• Warranty: 15 years on tank and trim components; limited lifetime on vitreous china

Installation Considerations

Designed for straightforward installation, the GVP31502 features a multipoint tank-to-bowl mounting system with extra-tall bolt caps that eliminate the need for on-site trimming. A standard 12" rough-in accommodates most existing plumbing layouts. While setup is contractor-friendly, professional installation is advised for code compliance and optimal system integration.

Professional Use and Jobsite Suitability

• Application: Appropriate for residential remodels, new builds, and light commercial restrooms.
• Space Optimization: Round front bowl design conserves floor space in smaller bathrooms.
• Component Reliability: Standardized internal parts, including Fluidmaster fill valve, ensure long-term field serviceability.