The T&S Brass 264L Hot Enclosure Stem Assembly, available at PartsFe copyright, is a replacement part for T&S Brass faucets and plumbing fixtures. This assembly likely controls the flow of hot water. Replacing a worn or damaged stem assembly with the 264L restores proper faucet operation, preventing leaks and ensuring smooth handle movement. https://partsfe.ca/264l-ts-brass-stem-assy-hot-enc