The T&S Brass 000763-20 removable seat is a replacement component designed for compatible B-1100 series faucets. It supports the faucet's seating assembly and helps maintain proper operation when replacing a worn or damaged part. This component is suitable for commercial plumbing applications, including kitchens and foodservice facilities where reliable faucet performance is important... https://partsfe.com/removable-seat-for-t-s-part-000763-20