GlobalTowne.com sells user replaceable spare parts for the New Ariston "S" Series Line of mini-tank electric water heaters. Be sure to buy the correct parts -- one set of parts works for the New Ariston GL2.5S and GL4S models while another set of parts works for the Ariston GL6+S model.
Ariston GL2.5S and Ariston GL4S electric mini-tank water heaters we sell the replacement for the sacrificial Anode Rod #87387044470 (Old part #574305). This part can be used for the Ariston GL2.5/GL2.5S, Ariston GL4/GL4S, Airston GL2.5Ti/GL2.5TiS, GL4Ti/GL4TiS and Ariston ES2.5/ES4 mini-tank water heaters as well as for the now obsolete Ariston models P10S and P15S.
Ariston GLSKIT which contains the sacrificial anode rod for the Ariston GL2.5S/GL4S Series (#87387044470) as well as the heating element (#87387044390) and the GLS gasket (#87387044500). This Kit can be used for the Ariston GL2.5S, Ariston GL4S, Airston GL2.5TiS, Ariston GL4TiS, ES2.5 and ES4 mini-tank water heaters.
Ariston GL6+S KIT which includes the element, anode rod, gasket and bolts. This kit can also be used for the pro series heater Bosch Tronic 3000T ES8.
Ariston GL6+S electric mini-tank water heater we sell the replacement for the sacrificial Anode Rod (#87387044480) (Old number #570241). This slightly longer part can also be used for the Bosch Pro Ariston GL8Tiand ES8 mini-tank water heaters.