Ariston 65101396 Thermostat TBS Plus 450 16A | Genuine Replacement Spare Part


- SKU
- EDDARISTONSPARE12
The Ariston 65101396 is a genuine TBS Plus 450 16A immersion thermostat designed as a direct replacement for Ariston ST ProTECH electric water heaters. Manufactured to Ariston's exact specifications, this thermostat precisely regulates water temperature, cutting off the heat source once the set temperature is reached to protect your cylinder, prevent overheating and ensure consistent, energy-efficient hot water delivery.
Ariston 65101396 Thermostat TBS Plus 450 16A | Genuine Replacement Spare Part
The Ariston 65101396 is a genuine OEM TBS Plus 450 16A immersion thermostat designed as a direct replacement for Ariston ST ProTECH electric water heaters. Manufactured to Ariston's exact specifications, this thermostat precisely regulates water temperature, cutting off the heat source once the set temperature is reached to protect your cylinder, prevent overheating and ensure consistent, energy-efficient hot water delivery.
Compatible with the Ariston ST 50, ST 80 and ST 100 ProTECH electric water heater ranges, the 65101396 is the trusted choice for homeowners and heating engineers seeking a guaranteed-fit, genuine spare part with no modifications required on installation.
Key Features & Benefits
- Genuine OEM part - guaranteed fit and performance with no compatibility issues
- 16A rated - suitable for high-demand domestic electric water heating applications
- 477mm probe length - designed specifically for Ariston ST ProTECH cylinder dimensions
- Automatic temperature cut-off - prevents overheating and protects cylinder components
- Compatible with ST 50, ST 80 & ST 100 ProTECH - wide model coverage from a single part
- Durable Thermowatt construction - built to Ariston's quality standards for long service life
- Direct replacement - easy installation with no modifications required
- Backed by Ariston's manufacturer guarantee - quality and reliability assured
Technical Specifications
| Detail | |
|---|---|
| Part Number | 65101396 |
| Brand | Ariston |
| Type | Immersion Thermostat (TBS Plus 450 16A) |
| Current Rating | 16A |
| Probe Length | 477mm |
| Dimensions | 477mm (H) x 55mm (L) x 53mm (W) |
| Compatible Models | ST 50 ProTECH, ST 80 ProTECH, ST 100 ProTECH |
| Application | Electric unvented water heaters |
| Part Status | Genuine OEM |
This is a genuine Ariston spare part supplied directly from the manufacturer. We ensure full compatibility, reliable performance and the highest quality standards.
| MPN | 65101396 |
|---|---|
| Product Code | EDDARISTONSPARE12 |
| Compatible With: Product Code (SKU) | ST 50 ProTECH; ST 80 ProTECH; ST 100 ProTECH |
| Part Origin | Genuine |
| Part or Accessory? | Part |
| Brand | Ariston |
| Empty Weight (kG) | 5 |
| Full Weight (kG) | 0.5 |
Delivery Information -
Standard delivery for all orders over £150 ex-VAT are free of charge.
If we can speed this up, we will, but you can also select Express Delivery when you check out and get your purchase more quickly (usually the next working day, subject to a 1pm cut-off): there is an extra charge for this ranging from £5 to £29.99 depending on the products you are buying.
We partner with several of the best UK carriers (such as TNT, Royal Mail, DPD etc) depending on the type of product and the warehouse it is coming from, and also with some pallet companies for larger items. All of these operate during normal Monday – Friday working hours, and we expect all deliveries to arrive in 5 days. For more details checkout this page.
Gledhill Cylinders – Delivery Charge -
For all Gledhill Cylinders, a flat delivery charge of £33.00 (ex-VAT) applies, regardless of order value or delivery method. This will be added automatically at checkout.
Returns Information -
Having to return a product because it doesn’t fit, or is not what you wanted, is really annoying! To try and make sure this isn’t necessary we have lots of helpful advice on our site, and you should feel free to call our experts on the number above to check if you are in any doubt at all – we’re always happy to help.
But if you do, don’t worry, just contact us and we’ll get it sorted (note that for trade customers there may be a restocking fee). If you need it, we can usually arrange the carrier to pick it up.
For full details of our policy, check out the small print here.
Ariston 65101396 Thermostat TBS Plus 450 16A | Genuine Replacement Spare Part
The Ariston 65101396 is a genuine OEM TBS Plus 450 16A immersion thermostat designed as a direct replacement for Ariston ST ProTECH electric water heaters. Manufactured to Ariston's exact specifications, this thermostat precisely regulates water temperature, cutting off the heat source once the set temperature is reached to protect your cylinder, prevent overheating and ensure consistent, energy-efficient hot water delivery.
Compatible with the Ariston ST 50, ST 80 and ST 100 ProTECH electric water heater ranges, the 65101396 is the trusted choice for homeowners and heating engineers seeking a guaranteed-fit, genuine spare part with no modifications required on installation.
Key Features & Benefits
- Genuine OEM part - guaranteed fit and performance with no compatibility issues
- 16A rated - suitable for high-demand domestic electric water heating applications
- 477mm probe length - designed specifically for Ariston ST ProTECH cylinder dimensions
- Automatic temperature cut-off - prevents overheating and protects cylinder components
- Compatible with ST 50, ST 80 & ST 100 ProTECH - wide model coverage from a single part
- Durable Thermowatt construction - built to Ariston's quality standards for long service life
- Direct replacement - easy installation with no modifications required
- Backed by Ariston's manufacturer guarantee - quality and reliability assured
Technical Specifications
| Detail | |
|---|---|
| Part Number | 65101396 |
| Brand | Ariston |
| Type | Immersion Thermostat (TBS Plus 450 16A) |
| Current Rating | 16A |
| Probe Length | 477mm |
| Dimensions | 477mm (H) x 55mm (L) x 53mm (W) |
| Compatible Models | ST 50 ProTECH, ST 80 ProTECH, ST 100 ProTECH |
| Application | Electric unvented water heaters |
| Part Status | Genuine OEM |
This is a genuine Ariston spare part supplied directly from the manufacturer. We ensure full compatibility, reliable performance and the highest quality standards.
| MPN | 65101396 |
|---|---|
| Product Code | EDDARISTONSPARE12 |
| Compatible With: Product Code (SKU) | ST 50 ProTECH; ST 80 ProTECH; ST 100 ProTECH |
| Part Origin | Genuine |
| Part or Accessory? | Part |
| Brand | Ariston |
| Empty Weight (kG) | 5 |
| Full Weight (kG) | 0.5 |
Delivery Information -
Standard delivery for all orders over £150 ex-VAT are free of charge.
If we can speed this up, we will, but you can also select Express Delivery when you check out and get your purchase more quickly (usually the next working day, subject to a 1pm cut-off): there is an extra charge for this ranging from £5 to £29.99 depending on the products you are buying.
We partner with several of the best UK carriers (such as TNT, Royal Mail, DPD etc) depending on the type of product and the warehouse it is coming from, and also with some pallet companies for larger items. All of these operate during normal Monday – Friday working hours, and we expect all deliveries to arrive in 5 days. For more details checkout this page.
Gledhill Cylinders – Delivery Charge -
For all Gledhill Cylinders, a flat delivery charge of £33.00 (ex-VAT) applies, regardless of order value or delivery method. This will be added automatically at checkout.
Returns Information -
Having to return a product because it doesn’t fit, or is not what you wanted, is really annoying! To try and make sure this isn’t necessary we have lots of helpful advice on our site, and you should feel free to call our experts on the number above to check if you are in any doubt at all – we’re always happy to help.
But if you do, don’t worry, just contact us and we’ll get it sorted (note that for trade customers there may be a restocking fee). If you need it, we can usually arrange the carrier to pick it up.
For full details of our policy, check out the small print here.









