The Fluidmaster 400AH PerforMAX Toilet Fill Valve sets the high performance standard. Designed to replace old and leaky fill valves the PerforMAX fill valve is the most powerful toilet fill valve on the market (*Also known as the 400ARHR). With quick and easy installation this fill valve design eliminates noise, while generating 2X greater refill rates than standard fill valve designs. A universal toilet repair part that fits most toilet models, with a height adjustable valve shank design. Best
Fix noisy, slow filling valves with the quietest, most powerful toilet fill valve on the market!
Easy-to-install PerforMAX design
Universal fitting most toilet models
Height adjusts easily between 10" - 15"
Adjustable roller-clamp controls water usage
Replaces outdated, inefficient, or noisy fill valve designs
7 year warranty
PerforMAX technology achieves 2X greater refill rate, while saving water usage