12" Rough-In Two-Piece Round Front Toilet, 1.28 gpf, White

Gerber Viper GWS31502 Round Front Two-Piece Toilet – 1.28 gpf

The Gerber GWS31502 Viper round front toilet is designed for efficient performance in compact spaces. Engineered with a 3-inch flush valve and dual-fed siphon jet, it delivers a powerful and consistent flush while maintaining a reduced footprint for smaller bathrooms. The round front configuration and two-piece construction provide a balance of accessibility, durability, and straightforward installation for both residential and light commercial settings.

Key Performance Features

• Flush System: 3" flush valve with dual-fed siphon jet optimizes bowl rinse and waste evacuation
• Water Efficiency: 1.28 gallons per flush; WaterSense® certified for reduced water usage
• Round Front Bowl: Ideal for limited-space installations while maintaining user comfort
• Trapway: 2" fully glazed for improved waste flow and reduced clogging
• Construction: High-gloss vitreous china ensures durability and resistance to stains

Technical Specifications

• Model: GWS31502
• Type: Two-piece toilet
• Bowl Shape: Round front
• Rough-In: 12 inches
• Flush Rate: 1.28 gpf (4.8 Lpf)
• Trapway Size: 2 inches, fully glazed
• Color: White
• Warranty: 15-year limited on components

Installation Considerations

This model includes a multipoint tank-to-bowl mounting system and tall bolt caps for alignment and installation ease. It is compatible with standard 12" rough-ins. While the unit is designed for straightforward setup, professional installation is advised to ensure compliance with local codes and optimal operation.

Contractor Notes

• ✔️ Compact dimensions and round front bowl are well-suited for retrofit or confined-space applications
• ✔️ Includes Fluidmaster® 400A fill valve for efficient tank refilling and quiet operation
• ✔️ Suitable for residential new construction and replacement projects requiring water-efficient fixtures