3" Universal Flush Valve Kit

Fluidmaster 540AKRP5 Universal 3-Inch Flush Valve Kit – Professional-Grade Performance

The Fluidmaster 540AKRP5 is a universal 3-inch flush valve kit engineered to restore and improve toilet performance. Designed to fit most 3-inch flapper-style toilets, including leading brands such as American Standard® and Toto®, this kit offers contractors a reliable solution for both repair and replacement applications.

Built with durable materials, an adjustable overflow tube, and a precision flapper, the 540AKRP5 provides consistent flushing power while promoting water efficiency. Its included installation hardware allows for a secure tank-to-bowl connection that meets job-site requirements.

Key Advantages

• Universal 3-Inch Fit: Compatible with the majority of 3-inch flapper toilets (not recommended for select Kohler® models).
• Adjustable Overflow Tube: Can be cut to match OEM dimensions, ensuring proper water level control.
• High-Performance Flapper: Adjustable for water conservation and tailored flush volume.
• Durable Components: Corrosion-resistant body and flapper provide long service life.
• Complete Kit: Includes flush valve, adjustable flapper, overflow tube, tank-to-bowl gasket, and brass hardware for a secure installation.

Technical Specifications

• Valve Type: 3-inch flush valve kit
• Compatibility: Universal fit for most 3-inch flapper toilets
• Included Hardware: Brass bolts, tank-to-bowl gasket, adjustable flapper, adjustable overflow tube
• Construction: High-strength polymer with corrosion resistance

Installation Notes

The 540AKRP5 is designed for straightforward installation and can be installed with common plumbing tools. For professional contractors, installation time is reduced with pre-packaged components that ensure a tight seal. For DIY users, careful alignment and sealing are required to avoid leaks; professional installation is recommended for long-term reliability and code compliance.

Contractor Applications

For Professional Installers: This kit reduces callbacks by providing durable, field-proven parts that ensure consistent performance. It is a go-to option for repair jobs and retrofit applications where reliability and water efficiency are critical.

For Experienced DIYers: Installation is achievable with standard tools such as an adjustable wrench and screwdriver. Proper seating of the gasket and adjustment of the flapper are essential to achieving optimal flush efficiency.

The Fluidmaster 540AKRP5 Universal Flush Valve Kit is a proven solution that combines universal compatibility with water-saving performance. Built for demanding conditions, it remains one of the most trusted flush valve kits for both residential and commercial applications.