Repair your leaky faucet with the Ace 11K-3H/C Hot/Cold Stem for American Standard. A dripping faucet wastes both water and energy. The installation of a new faucet stem and seat will stop the drip and return your faucet to like new condition. This stem is designed to fit American Standard models prior to 4100 Series. Fits American Standard tub/shower models prior to 4100 SeriesFor both hot and cold water applicationsIncludes faucet seatID length 11, broach KComplies with the reduction of lead in drinking water act