Weensmeil 3-Inch Dual Flush Valve Kit for One-Piece Toilets – 7.8-Inch Height, 80mm Outlet

Overview

The Weensmeil 3-Inch Dual Flush Valve Kit is designed to revive standard 1-piece toilets that use a 3-inch dual-flush valve. With an outlet diameter of 3.15 inches (80 mm) and a valve body height of 7.8 inches (19.8 cm), this kit aims to restore a dependable flush cycle while keeping installation practical for DIY bathroom projects.

Key Specifications

• Outlet diameter: 3.15 inches (80 mm) – fits 3" dual-flush valves in one-piece toilets
• Valve height: 7.8 inches (19.8 cm) – compatible with cisterns roughly 25–35 cm tall
• Adjustable overflow for flexible tank depths
• Hole diameter compatibility: 3-1/6" to 3-3/4" (80–95 mm)

Fitment and Compatibility

Designed to replace old or damaged 3" toilet valves, this kit works with Project Source Laporte 1-piece toilets and is compatible with common components from FLUIDMASTER, Glacier Bay, and related systems. The goal is to bring your dual-flush mechanism back toward its original factory performance, with a straightforward top-mount installation that many homeowners can manage.

What’s in the Box

• 1 x toilet dual flush valve kit for a one-piece toilet

Installation Notes and Tips

Top-mount installation is designed for a relatively quick retrofit. Before purchasing, please compare the size and type of your toilet with the kit’s specifications to avoid delays. Warm Tip: the provided measurements help you gauge fitment against your existing cistern and outlet hole.

Real-Life Scenarios

If your toilet’s valve previously leaked or failed to seal consistently, this kit may present a practical path to renewed performance. Think of it as a targeted upgrade for reliability, ease of maintenance, and a more predictable flush cycle—without implying guarantees. It’s a potential option for standard bathroom refresh projects where a 3-inch valve is the right match.