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

Gerber Viper® 1.6 GPF Two-Piece Elongated Toilet – Model GVP31512

The Gerber Viper® GVP31512 is a two-piece elongated toilet engineered for high-efficiency performance at a flush volume of 1.6 gallons per flush (GPF). Designed with a 12-inch rough-in and round front configuration, this model offers powerful waste removal and reliable operation for residential or light commercial settings. Built from vitreous china, it delivers long-term durability and ease of maintenance.

Performance Features

• Flush Volume: 1.6 GPF for full-bowl rinsing and effective waste clearance.
• Flush System: Extra-large dual-fed siphon jet paired with a 3" flush valve maximizes hydraulic force for cleaner flushes.
• Trapway: 2-inch fully glazed trapway ensures efficient waste flow and helps minimize clogs.
• Fill Valve: Equipped with a Fluidmaster® 400A for consistent and quiet refilling.
• Flapper: Constructed from corrosion-resistant materials to ensure long service life under normal use.

Specifications

• Model: GVP31512
• Toilet Type: Two-piece, elongated bowl
• Flush Rate: 1.6 GPF (6.0 LPF)
• Rough-In: 12 inches
• Material: Vitreous china
• Mounting Hardware: Brass tank-to-bowl bolts; extra-tall bolt caps included
• Warranty: 15 years on internal components, limited lifetime on china

Installation Guidance

This model is optimized for straightforward floor-mounted installation. It features a multipoint tank-to-bowl mounting system for enhanced alignment and stability. Use of a qualified plumbing contractor is recommended to ensure compliance with local codes and optimal performance. Extra-tall bolt caps are included to streamline the bolt trimming process on-site.

Professional Considerations

• Jobsite Suitability: Durable construction and consistent flushing make this unit well-suited for high-traffic residential or small commercial installations.
• Efficiency: 1.6 GPF flush meets ANSI/ASME standards for performance and water conservation.
• Serviceability: Standard fill valve and tank components simplify maintenance and part replacement.