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Electronic thermostat ARISTON (PRO PLUS,BLU1 ECO,PRO1 ECO,LYDOS PLUS) 65115258

ARISTON 65115258 is an electronic thermostat designed for water temperature control and operation management of compatible ARISTON electric water heaters.
This spare part is used for ARISTON PRO PLUS, BLU1 ECO, PRO1 ECO and LYDOS PLUS electric water heaters. The thermostat controls the heating process, helps maintain the selected water temperature and switches off the heating element when the required temperature is reached.
This part is suitable when the existing thermostat is faulty, the water heater does not heat water correctly, does not maintain the selected temperature, does not switch on or does not switch off at the correct moment.
Before ordering, it is recommended to compare the code, marking and electrical connections of the existing part with the new spare part. The part may be marked with codes 65115258, 000342411402 or marking TBSE-RL 8.5A T70.
Technical information
Manufacturer: ARISTON
Part manufacturer / marking: Thermowatt SPA
Part type: electronic thermostat / temperature regulator
Manufacturer code: 65115258
Product reference: 000342411402
Marking on the part: TBSE-RL 8.5A T70
Voltage: 220–240 Vac
Frequency: 50/60 Hz
Current load: 8.5 A
Temperature class: T70
Intended for: ARISTON electric water heaters
Main compatibility: ARISTON PRO PLUS, BLU1 ECO, PRO1 ECO, LYDOS PLUS
Additional compatibility according to spare parts catalogues: BLU ECO EVO EU, BLU1 ECO EU, LYDOS PLUS EU, PERLA REC EU, PRO ECO EVO EU, PRO PLUS EU, PRO1 ECO EU
Compatible / replacement codes: 65115258, 000342411402, 3042411402, 352140011, 352.14.0011
Sensor length: approx. 297 mm
Installation location: water heater control unit / heating element area
Connection: electrical connection to the water heater
Function: water temperature control and heating management
Condition: new spare part
Important information before purchase
Before ordering, please check the marking, code and connection layout of the existing thermostat. Spare part compatibility must be confirmed by the part code, water heater model and existing connection type.
If you are not sure about compatibility, it is recommended to compare with a photo of the existing part where the code, marking and electrical contacts are clearly visible.
! Before placing an order, contact the seller to clarify the thermoregulator number, because these models have several variants!!! Without communication with the seller, the thermoregulator will not be accepted back!

Customer reviews
★★★★★
Mihailovs A., 4 Mar, 2026
Большое спасибо. Мы очень благодарны за помощь в выборе товара и быструю доставку. Обслуживание на высшем уровне.
★★★★★
Marko, 2 Jan, 2026
Tuli väga kiirelt. Väga rahul
★★★★★
Kurotskin J., 24 Nov, 2025
Спасибо, Торsantehnika, от заказа до получения товара из Латвии в Эстонию всего лишь три рабочих дня!
★★★★★
Riho S., 22 Aug, 2025
Termostaat saabus väga kiiresti.
★★★★★
Olga K., 12 Jul, 2024
Laba @ komunikācija. Noderīgi padomi.
★★★★★
Janis K., 1 Jan, 2024
Konsultanti atsaucīgi, piegāde ātra.