Black Cast Iron Plugs Are Used For Use With A Variety Of Natural Gas or Hot Water Heating Systems And Plumbing Applications.
Black Cast Iron Plugs are solidly made for long lasting durability and dependability. Used to securely close off the end of a pipe. Black Cast Iron fire and corrosion resistant properties make it especially useful for natural gas or hot water heating systems or plumbing applications. Not recommended for use with potable water applications. Cored Square Head type plugs available in 3/4, 1-1/4 and 3 inch diameter sizes.