Fluidmaster K-400H-040-T5 PerforMAX Fill Valve & 3-Inch Flapper - Toilet Repair Kit (Multicolor)

Upgrade Your Toilet's Reliability with Fluidmaster PerforMAX

If your toilet’s valve isn’t delivering the performance it once did, the Fluidmaster K-400H-040-T5 PerforMAX Fill Valve and 3-Inch Flapper Kit offers a practical, all-in-one upgrade for 3-inch valve toilets. Built for durability and steady operation, this kit aims to restore a confident, crisp flush and a dependable refill cycle without requiring a full toilet replacement.

What sets PerforMAX apart is its emphasis on a stable water profile and a seal that remains dependable over time. With this kit, you may experience a more predictable refill height, which helps keep the tank quiet and ready for the next flush. The 3-inch flapper is designed to open wide for a fast, complete flush, then seal to reduce the chance of slow leaks or ghost refills. These attributes focus on reliable operation rather than dramatic claims, and outcomes can vary by your plumbing setup and usage patterns.

Key Benefits at a Glance

• Steady water level and reliable refill cycle for 3-inch valve toilets.
• Strong, quick-sealing 3-inch flapper to support a crisp flush.
• Durable components designed for long-term operation in a variety of homes.
• All-in-one kit that simplifies upgrades and reduces guesswork for DIYers.

What’s Included and How It Helps

The kit combines the PerforMAX fill valve with a 3-inch flapper to refresh a typical 3-inch flush valve. Replacing worn parts can help restore performance and consistency in everyday use.

• PerforMAX fill valve for controlled refills and stable water height.
• 3-inch flapper for a wide, fast seal.
• All necessary hardware and fittings to complete the upgrade (where applicable).

Easy, DIY-Friendly Upgrade

Designed with compatibility in mind, this kit is suited for standard 3-inch flush valve toilets. With basic tools and careful handling, many homeowners can complete the upgrade in under an hour, potentially reducing minor leaks and improving confidence in the flush.

Real-Life Scenarios

If you notice frequent refills, inconsistent flushes, or minor leaks around the tank, an upgrade to PerforMAX could be a sensible option to consider. It presents a practical path to refresh an aging valve without replacing the entire toilet.

Bottom line: the Fluidmaster PerforMAX kit offers a well-rounded option for a straightforward upgrade that prioritizes reliable operation, quiet refills, and a cleaner seal over the long term.