Genuine Smeg Cooker Oven Thermostat Thermal Cut Out 190°C Part # 818731588

Genuine Smeg Cooker Oven Thermostat Thermal Cut Out 190°C 818731588

This is a genuine Smeg thermostat cut out, also known as a TOC or safety cut out, rated at 190°c and marked with a yellow spot. It's a safety device fitted to the oven that monitors internal temperature and cuts power to the heating element if the oven overheats beyond its safe limit, protecting the appliance from damage and reducing fire risk.

You'll typically need to replace this part if your oven is overheating, tripping out unexpectedly, cutting off before reaching temperature, or failing to heat at all due to a faulty cut out sticking open or closed. Before ordering, check the temperature rating and part number printed on the old thermostat cut out against this one to make sure it's the correct replacement for your oven.

Product Specifications:

Temperature: 190ºc
Manufacturer Part Number (MPN): 818731588
Alternative Part Number: 818730550, 818731475
Also Known As: TOC, Thermal Limiter, High Limit Thermostat, Safety Thermostat, Thermal Switch, Oven Cut Out, Thermal Cut Thermostat, Over Temperature Thermostat, Yellow Spot
Brand Compatibility: John Lewis / Smeg

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Models This Part Fits:

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Key Compatibility:

Manufacturers reuse the same part across many models and change model numbers between production runs, so the safest check is your own model number rather than the brand. Enter it in the checker above and we will confirm against this part.
If you are unsure, message us with your full model number and we will confirm before you order.

Expert Installation Tip: Before assuming the cut out is faulty, check that the main oven thermostat and element are working correctly, as a cut out failure is sometimes triggered by a different underlying fault. Always match the temperature rating exactly, as fitting the wrong one can leave the oven unprotected or cause it to cut out too early.

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