Toilet Fill Valves

Products > Toilet Fill Valves

400H - PerforMAX® FILL VALVE - 2 Pack

You can purchase this toilet fill valve from the Fluidmaster Online Store

Buy Now

Fix a slow filling toilet, noisy toilet or a constantly running toilet with the Fluidmaster 400H PerforMAX Universal High Performance Toilet Fill Valve 2-Pack.

This universal toilet fill valve design is built to work with most toilets and brands. Best for use in 1.28 HET and 1.6 GPF toilets, but can also be used with pre-1994 3.5 GPF toilets.

  • A quiet, powerful toilet fill valve replacement now available in a 2-pack
  • Quick and easy to install, with step-by-step instructions
  • Universal fit for most toilet models and brands
  • Easy turn tank water level adjustment
  • Bowl water level adjustment dial to save water use per flush
  • 2X greater bowl refill for a more powerful flush for 1.28 and 1.6 GPF toilets
  • Cut down repair time with a pre-installed shank washer
  • EZ-Twist height adjusts from 9 in. to 14 in. to fit more tanks
  • A high performance fill valve replacement
  • 7 year warranty


400H - PerforMAX® FILL VALVE - 2 Pack

Download Installation Instructions

Cancer and Reproductive Harm -