The DC47-00018A is a high-limit (safety) thermostat for Samsung dryers. When your dryer stops heating, shuts off before the cycle ends, or triggers error codes, this thermostat is one of the first components to check. It monitors drum temperature and cuts power to the heating element if temperatures exceed safe limits — typically 260–300°F (127–149°C). The bimetal disc design provides rapid response and factory-calibrated protection. Typical lifespan is 6–12 years; failures are most often caused by restricted airflow, electrical fatigue, or mechanical wear.

✓ Model-Specific Repair Pages

Don't see your model? Contact us — we'll confirm compatibility before you order.

The DC47-00018A uses a compact two-terminal design that mounts directly to the heating element housing or exhaust duct. It is a non-resettable thermal cutoff — once it trips due to an overheat event, it must be replaced. Always inspect and clear the exhaust duct and lint trap before installing a new thermostat, as restricted airflow is the leading cause of repeat failures.

✓ Common Symptoms Fixed

Dryer produces no heat | Dryer shuts off before cycle completes | Dryer overheats or runs too hot | Samsung error codes related to heating | Clothes still damp after full cycle | Heating element cycling on and off erratically

✓ Key Features & Specifications

Part Number: DC47-00018A | Type: High-Limit / Safety Thermostat | Design: Bimetal disc, non-resettable | Cut-off Temperature: 260–300°F (127–149°C) | Terminals: 2-terminal push-on | Compatible Brands: Samsung (OEM) | Weight: ~10g | HS Code: 850990 | Country of Origin: Canada

✓ Buying Options

OEM / New — Genuine Samsung DC47-00018A thermostat. Factory-original part with OEM specifications, packaging, and warranty backing. Recommended for warranty repairs or when exact OEM spec is required.

XPart / New — Premium aftermarket high-limit thermostat engineered to meet or exceed OEM specifications. Ideal for cost-conscious repairs where OEM pricing is a barrier. XPart aftermarket replacement parts are not affiliated with, sponsored by, or endorsed by Samsung or any OEM manufacturer.

OEM / Used — Tested and inspected OEM thermostat pulled from a working appliance. A budget option for older dryers where a new part may not be cost-effective.

XPart / Used — Tested aftermarket thermostat at the lowest price point. Suitable for temporary repairs or low-priority units.

✓ Replacement Part Numbers

DC47-00018A | WP35001092 | 35001092 | 503497 | AP4201898 | AP6008682 | PS4205217 | DC47-00018AXP (aftermarket cross-reference)

✓ Installation Tips

1. Disconnect power to the dryer before beginning any repair. 2. Access the thermostat by removing the back panel or lower front panel depending on your model. 3. The high-limit thermostat is typically mounted on the heating element housing or exhaust duct — refer to your model's service diagram. 4. Disconnect the two wire terminals and remove the mounting screw(s). 5. Install the new thermostat and reconnect terminals — polarity does not matter for thermostats. 6. Before reassembling, inspect and clear the exhaust duct and lint trap to prevent repeat failure. 7. Restore power and run a test cycle to confirm heating is restored. 8. If the dryer still does not heat after replacing the thermostat, test the thermal fuse and heating element as well.

✓ Compatible Models

DV456EWHDSU/AA, DV511AER/XAA, DV395ETPASU/A1, DV48H7400EW/A2, DV56H9000EW/A2, DV5451AEW/XAA, DV5451AEW/XAC, DV42H5400EF, DV45H7000EW/A2, DV50K8600EV/A3, DV50K8600EV/AC, DV52J8700EW/A2, DV52J8700EP/AC, DV48J7700EW/A2, DV48J7770EP/A2, DV48J7770EW/A2, DV48J7770EW/AC, DV45K6200EZ/A3, DV45K6200EW/AC, DV45K6200EZ/AC, DV45K7600EW/A3, DV45K7600EW/AC, DV45K6500EV/A3, DV45K6500EW/A3, DV45K6500EV/AC, DV40J3000EW/A2, DV40J3000EW/AC, DV45H7000EP/A3, DV50K8600EW/A3, DV50K7500EV/A3, DV50K7500EV/AC, DV52J8700EP/A2, DVE52M8650W/A3, DVE50M7450W/A3, DVE52M7750W/A3, DVE54M8750V/A3, DVE45N5300W/A3, DVE60M9900V/A3, DVE45M5500W/A3, DVG60M9900V/A3, DVE50M7450P/A3, DVE54M8750W/A3, DVE52M7750V/A3, DVE55M9600V/A3, DV42H5200EW/A3, DVE52M8650V/A3, DVE55M9600W/A3, DV42H5000EW/A3, DVE45M5500Z/A3, DVE45N5300V/A3, DV42H5200EP/A3, DV50K7500EW/A3, DVE45M5500P/A3, DVE60M9900W/A3, DV45H7000EW/AC, DV42H5000EW/AC, DV42H5200EW/AC, DV42H5200EP/AC, DV229AEG/XAC, DV410AEW/XAC, DV42H5600EP/AC, DV448AEW/XAC, DV393ETPAWR/AC, DV337AER/XAA, DV350AER/XAA, DV337AEG/XAA, DV448AEP/XAC, DV405ETPASU/AC, DV350AEG/XAC, DV45H6300EW/AC, DV350AER/XAC, DV448AEP/XAA, DV405ETPASU/AA, DV393ETPARA/A1, DV45H6300EG/AC, DV5471AEP/XAC, DV42H5600EW/A3, DV218AEB/XAC, DV419AES/XAC, DV5471AEP/XAA, DV419AEU/XAA, DV218AEB/XAA, DV409AER/XAA, DV393ETPAWR/A1, DV431AEW/XAA, DV5471AEW/XAA, DV340AER/XAC, DV45H6300EP/AC, DV219AEW/XAA, DV42H5400EF/A3, DV419AEW/XAA, DV431AEP/XAC, DV365ETBGSF/AC, DV42H5600EP/A3, DV431AEP/XAA, DV365ETBGWR/AC

✓ Frequently Asked Questions

What does the high-limit thermostat do?
It monitors the temperature inside your dryer's heating circuit and cuts power to the heating element if temperatures exceed safe limits. See our guide: Dryer Not Heating? It's Usually the Thermal Fuse or High Limit Thermostat.

How do I know if my DC47-00018A thermostat is bad?
The most common signs are no heat, mid-cycle shutoff, or overheating. You can test it with a multimeter — a good thermostat shows continuity at room temperature. Learn more: Dryer Not Heating? It's Usually the Thermal Fuse or High Limit Thermostat.

Is the DC47-00018A a resettable thermostat?
No — it is a non-resettable thermal cutoff. Once it trips, it must be replaced. Always clear your exhaust duct before installing a new one to prevent repeat failure.

What's the difference between OEM and XPart?
OEM is the genuine Samsung part. XPart is a premium aftermarket alternative engineered to meet or exceed OEM specs at a lower price point. Both options are available on this listing.

Will this fit my Samsung dryer model?
Check the Compatible Models section above or visit your model's repair page in the Model-Specific Repair Pages grid. Still unsure? Contact us and we'll confirm before you order.