2-Piece Elongated Standard Height Toilet (12" Rough-In),White, 1.6 GPF

Gerber Maxwell® 1.6 GPF Two-Piece Elongated Toilet – Model GMX20912

The Gerber Maxwell® GMX20912 is a two-piece, elongated toilet engineered for commercial-grade performance and water efficiency. With a 1.6 GPF flush rate and 12-inch rough-in, this unit delivers consistent, high-capacity waste removal suitable for residential and light commercial applications.

Performance and Construction

This model incorporates a 3-inch flush valve and front jet action to provide a strong, complete flush cycle. Rated at 1,000 grams under the MaP® testing protocol, it meets high-performance standards for solid waste clearance. The tank-to-bowl connection features stainless steel bolts and a multi-point mounting system to ensure a secure, leak-resistant installation.

Key Specifications

• Flush Volume: 1.6 gallons per flush (GPF)
• Bowl Shape: Elongated for increased user comfort
• Rough-In: 12-inch standard configuration
• Flush Mechanism: 3" flush valve with front jet
• Waste Removal Rating: 1,000g MaP® score
• Tank-to-Bowl Hardware: Stainless steel, corrosion-resistant bolts

Installation Considerations

The GMX20912 is supplied with a tool-free tank-to-bowl assembly system designed for efficient on-site installation. For code compliance and to ensure system integrity, installation should be performed by qualified plumbing personnel.

Contractor Notes

This Maxwell® model is built to meet the needs of professional installers seeking reliability, straightforward setup, and compliance with modern plumbing codes. Its high-efficiency flushing performance and durable construction make it suitable for both residential installations and retrofit applications.