Jones Stephens repair and replacement plumbing parts are designed with quality engineering and construction to be durable and reliable. All parts, components and hardware are manufactured to Jones Stephens’ highest quality standards for contractors and maintenance repair professionals. This radiator coin-key air valve and key will assure maximum performance with radiators when used to remove air from hot water. Made of nickel-plated brass for durability, long life and corrosion resistance. Buy with confidence and be assured that our complete selection of plumbing hardware replacement parts will get the job done.