The Noritz SKJ71VZ Ignition Plug with Gasket is a replacement ignition component designed for compatible Noritz gas-fired water heaters and heating equipment. The ignition plug generates the spark needed to ignite the gas-air mixture, initiating the burner and supporting proper heat production. The included gasket helps create a secure seal at the installation point, reducing the risk... https://www.partshnc.com/noritz-skj71vz-ignition-plug-w-gasket