Check the listing for details. Ariston Andris RS TBSB Wired Thermostat (4 & 8 Gal) - Replacement Part #65118192. Color: Black, White & Gold, Condition: New. Listed at 99.95 USD. The Ariston Andris TBSB Wired Thermostat (part #65118192) is the replacement thermostat for the 4 gallon Ariston Andris RS 4U 1.4KW and 8 gallon Ariston Andris RS 8U 1.4KW electric mini-tank water heaters. This part is not compatible with the 2.5 gallon Ariston Andris RS 2.5U electric mini-tank water heater. This part is also not compatible with any of the following electric mini-tank water heaters: Ariston Andris LUX heaters, Bosch Ariston GL2.5, Bosch Ariston GL4, Bosch Ariston GL6+, Bosch Ariston GL2.5S, Bosch Ariston GL4S, Bosch Ariston GL6+S, Bosch Ariston Pro Ti GL2.5 Ti, Bosch Ariston Pro Ti GL4 Ti, Bosch Ariston Pro Ti GL8 Ti, Bosch Ariston Pro Ti GL2.5 TiS, Bosch Ariston Pro Ti GL4 TiS, Bosch Ariston Pro Ti GL8 TiS, Bosch Tronic 3000T ES2.5, Bosch Tronic 3000T ES, and Bosch Tronic 3000T ES8. This part is a genuine original spare part manufactured by Ariston SpA / Ariston Thermo USA. * This Ariston Andris RS replacement part can be returned within 30 days of your purchase as long as it has not been installed. Returned Ariston Andris RS replacement parts must be in pristine condition and be returned with the original packaging. Buyer pays for return shipping and a 20% restocking fee will be deducted from the purchase price. If you have a question as to whether or not this Ariston replacement part is the correct replacement part for your Ariston Andris RS electric mini-tank water heater please contact us prior to making your purchase. Orders received M-F before 2pm ET will ship the same day. Orders received after 2pm ET will ship the next business day. GlobalTowne is an Authorized Ariston Group Distributor. We have been in business since 2004 and we are A+ rated by the BBB.