Elongated Toilet Bowl, Biscuit, 12" Rough In

Gerber Viper ErgoHeight™ Elongated Toilet Bowl – Model GVP3156209

The Gerber GVP3156209 Viper elongated toilet bowl is engineered for efficient performance and long-term durability. Featuring an ErgoHeight™ 16.5-inch rim height that meets ADA requirements when installed with a compliant tank, this bowl is well-suited for both residential and commercial applications. Designed for use with Gerber 1.28 GPF tanks, it delivers optimized flushing performance when paired with compatible Viper components.

Key Features

• Elongated Bowl Design: Provides increased comfort and meets ADA height requirements with 16.5" rim height.
• High-Efficiency Performance: Designed for use with 1.28 GPF tanks to meet WaterSense® efficiency standards.
• Dual-Fed Siphon Jet: Enhances flush power and bowl cleanliness with faster waste removal.
• Fully Glazed Trapway: 2" diameter for smoother flow and reduced clogging.
• Durable Vitreous China: Non-porous, easy to clean, and resistant to chipping and wear.

Technical Specifications

• Model: GVP3156209
• Bowl Height: 16.5" (ErgoHeight™)
• Bowl Shape: Elongated
• Trapway: 2", fully glazed
• Flush Rate: Designed for 1.28 GPF tank pairing
• Material: Vitreous china
• Certifications: WaterSense®, cUPC
• Rough-In Sizes: Compatible with 10", 12", and 14" rough-ins (requires appropriate tank)

Installation Considerations

Designed for professional-grade reliability, this toilet bowl features a multi-point mounting system and is compatible with select Gerber tanks. Installation requires proper tank alignment and secure attachment using corrosion-resistant hardware. A 12" rough-in is standard, but offset tank options support other configurations. Ensure compliance with local codes during setup.

Professional Use and Application

This Gerber Viper bowl is a preferred choice for commercial retrofits and residential upgrades where comfort height and flushing efficiency are priorities. The ergonomic height and durable build meet the demands of contractor installations in both public and private settings.