Supco Dryer Therm-O-Disc Thermostat, 290F Open - L290

Supco Dryer Therm-O-Disc Thermostat, 290F Open - L290

Restore dryer temperature-limit control with this Supco Dryer Therm-O-Disc Thermostat, 290F Open. This thermostat opens the circuit at its specified temperature to help control or protect the dryer heating system.

L290 is a universal/spec-match product selected by its verified dimensions, ratings, connections, or application rather than by appearance alone.

Fitment / What To Verify: Match Open Temperature: 290 F, Close Temperature: 250 F before ordering.

Is it time to replace?

• Common Symptoms: Dryer overheats, stops heating too early, cycles incorrectly, or testing shows the thermostat does not switch at the expected condition.
• Visible/Sensory Cues: Heat discoloration, loose terminals, open/closed continuity when it should be opposite, or damaged mounting surface.

Pro Tip: Verify the rated opening temperature, mounting position, airflow, vent condition, and heater circuit before replacing a thermostat.

Technical Specifications