This is the sacrificial anode rod for the Ariston GL6 S plus the heating element and the GL gasket
Can only be used for the Ariston GL6 S, Ariston Pro Ti GL8TiS and Bosch Tronic 3000T ES8 mini tank water heaters
CANNOT be used for the Ariston GL2.5S, Ariston GL4S, Ariston Pro Ti GL2.5TiS, Ariston Pro Ti GL4TiS, Tronic ES2.5, or Tronic ES4 mini tank water heaters
CANNOT be used for any of the older Ariston heaters i.e., the Ariston GL6 and Ariston Pro Ti GL8Ti