
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.
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
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 |
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.
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.
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.
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
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 |
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.
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.
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.
Are you sure you would like to remove this item from the shopping cart?
This item is a part of the approved quote. Removing it will remove all quote items from the cart.