TOTO DuoFit® In-Wall Tank System – 1.28 GPF & 0.9 GPF – Copper Supply

Reliable performance, minimalist design, and water-saving efficiency.

The TOTO DuoFit® In-Wall Tank System with Dual-Max® flushing is designed for TOTO RP and SP wall-hung toilets. It provides a strong and water-saving solution that can support up to 880 lbs. Its compact, space-saving installation makes it ideal for both residential and commercial applications.

Constructed with a 1-piece blow-molded, insulated polyethylene tank, it resists leaks and condensation. The system has a copper supply line, a 2" x 6" polyethylene outlet, and an adjustable mounting height. The height can be set from 15" to 19". You can also install it in 2" x 4" wall studs with a waste outlet kit.

Key Features:

• Dual-Max® Flushing System: High-efficiency 1.28 GPF / 0.9 GPF

• Height Adjustable: Mounting range from 15" to 19"

• Heavy-Duty Support: Supports up to 880 lbs

• Insulated Tank: Prevents condensation and sweating

• Copper Supply Line included

• Polyethylene Outlet (2" x 6") for secure discharge

• Flexible Installation: Fits commercial 2" x 6" studs or 2" x 4" residential framing (with optional kit)

Why Choose the DuoFit® Copper Supply Model?

This system is designed for TOTO RP and SP wall-hung toilets. It offers reliable performance, saves water, and looks great in modern bathrooms.