BPA Free Plastics Used in Kohler Faucets The plastics that are used in Kohler faucets are BPA (Bisphenol A) free. Click Here for Maintenance and Service Parts Related articles Deep Roughing-In Kits for Kitchen Faucets Replace the Valve in a Single Handle Faucet Replace the Valve in a Two Handle Faucet Kitchen Faucet: Leaking Between Sprayhead and Hose AC Adapters for Touchless Faucets