Supco Dryer High-Limit Thermostat - L3003

Supco Dryer High-Limit Thermostat - L3003

Restore high-temperature safety control with this aftermarket replacement Supco Dryer High-Limit Thermostat. This part provides temperature or safety feedback used by the control to regulate operation and protect the appliance.

L3003 is an aftermarket replacement Dryer High-Limit Thermostat. It is not represented as the original appliance manufacturer part. Match the referenced OEM platform/number and physical/electrical configuration before ordering.

Fitment / What To Verify: Match the exact sensing function and location, connector, mounting, and model-specific calibration/rating when specified. Similar sensors and thermostats may use different electrical characteristics.

Please confirm fitment with your appliance or equipment model number before ordering.

Is it time to replace?

• Common Symptoms: Temperature control is inaccurate, heating/cooling cycles incorrectly, or a temperature/safety related fault is present.
• Visible/Sensory Cues: Damaged sensor body, burned or open thermal device, corroded connector, broken wire, or abnormal continuity/resistance for the specified test.

Pro Tip: Test the device and harness using the manufacturer procedure when possible; verify the fault is not caused by airflow, overheating, or another failed component.

Technical Specifications