The Fluidmaster 385 Toilet Fill Valve Cap Replacement is designed to replace faulty caps on otherwise working 400A toilet fill valves. The 385 even includes an adapter to work on older version 400A models, but Fluidmaster recommends complete fill valve replacement if over 5 years old. This fill valve cap replacement helps eliminate the need to purchase an entire valve. Easy to install, just replace the cap and restore performance. Includes a 1 year warranty.
Fix a broken toilet valve seal without purchasing another fill valve
Easy to install
Replacement seal for the universal 400A valve
Includes an adapter for old style 400A fill valve designs
A quick, simple upgrade to eliminate purchasing a new valve
Quick and simple DIY replacement part
Toilet repair parts that are made to last
1 year warranty
