K-400H-033-T2 PerforMAX Fill Valve & 3 Inch Flapper Repair Kit

The PerforMAX Fill Valve and 3 in. Flapper kit offers solutions for common toilet problems like noisy, leaky or slow filling toilets. This repair kit includes the 400H fill valve and the 5403 flapper.

The Fluidmaster K-400H-040 PerforMAX High Performance Toilet Fill Valve and Adjustable 3 in. Flapper Kit is designed to offer the same high performance, and water-saving performance as our other repair kits, but specifically made for newer HET 3 in. flush valve toilets.

In October, 2024, Buyers Guide in an independent study, named the 400H PerforMAX fill valve as the #1 toilet fill valve with a score of 10 out of 10: Best Toilet Fill Valves

• The PerforMAX fill valve and 3 in. flapper kit is the top solution to upgrade your toilets fill and flush in one repair kit
• Easy to install, made for 3 in flush valve toilets
• High performance toilet fill valve offers both tank and bowl water level adjustment dials
• EZ-twist adjustable fill valve height to fit more tanks
• PerforMAX water-saving toilet flapper adjusts to save water per flush
• Solid fame design to resist twisting and eliminate leaks
• Fill valve and 3 in. flapper replacements built to save water
• Corrosion resistant flapper with silicone seal lasts up to 10X longer than standard designs
• 7 year warranty