Thermal Fuse SET403 ERP SET403

Dryer Thermal Fuse – ERP

ERP / Supco SET403 dryer thermal fuse is a 3/4-inch bimetal-disc temperature safety control used on compatible gas and electric dryers. Product specifications Brand: ERP / Supco Part number: SET403 Opening temperature: 300°F Maximum load: up to 25 amps at 240 VAC Replaces: Maytag 53-1182 Also included as the thermal fuse component in Supco SET405 / LA-1053 replacement applications Condition: new replacement part Symptoms of failure Dryer will not start or heat, the circuit remains open through the fuse, or the appliance stops after an over-temperature event. A blown fuse often indicates restricted exhaust airflow, lint accumulation, or another overheating cause. Installation instructions Disconnect electrical power and shut off gas where applicable. Access the fuse, document terminal positions, replace it with an equivalent rated part, inspect and clean the lint filter housing and complete exhaust path, confirm the blower and operating thermostats function, then reassemble and test. Never bypass a thermal safety device. Compatibility and safety Verify the dryer model, original number, temperature rating, terminal arrangement, and mounting before installation. Correct the cause of overheating before returning the dryer to service.

Compatible Part Numbers

• SET403
• 53-1182
• SET405
• LA-1053

Key Features

• Product type: Dryer Thermal Fuse
• SKU / MPN: SET403

Fixes These Symptoms

• Dryer will not start or heat
• open circuit through thermal fuse
• shutdown after overheating. Also inspect for restricted exhaust airflow
• lint buildup
• blower problems
• or failed temperature controls.

Compatible Brands

• ERP
• GENERIC REPLACEMENT PART

Always verify your complete appliance model number before ordering.

Installation Guidance

Disconnect power and gas where applicable. Replace the fuse with the same rating and terminal arrangement. Inspect and clean the full exhaust system, verify blower and thermostat operation, reassemble, and test. Never bypass the thermal fuse.