New Ariston "S" Series Replacement Parts

UPDATE 08/17/2023

Bosch Thermotechnology has recently changed the part number for the Bosch GL6+S/GL8TiS/ES8 Thermostat.  The old part number was 87387044420 and the new part number is 8738711261.  GlobalTowne carries this thermostat in stock and can be found at the link below:

GL6+S/GL8TiS/ES8 Thermostat 8738711261

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.

For the 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.

We also sell the 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.

We sell the 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.

For the 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.

The new Ariston GL2.5S/GL4S take a new Wired Thermostat #87387044410.  The old part number was #7738002302.  This new wired thermostat can also be used for the GL2.5TiS/GL4TiS and the ES2.5/ES4.

The new Ariston GL6+S takes a new Wired Thermostat #87387044420. This new wired thermostat can also be used for the ES8.