Dryer Thermal Cut-Off Fuse Kit (Whirlpool OEM)

Description

Genuine Whirlpool OEM Dryer Thermal Cut-Off Fuse Kit – Part 279816

Part Number: 279816

Replaces: AP3094244, 3399848, 3977393, PS334299, AH334299

Always verify compatibility using your appliance model number before ordering.

Dryer Thermal Fuse & High-Limit Cut-Off Kit

Restore safe, reliable heating to your appliance with this Factory Certified Dryer Thermal Fuse Kit. This critical safety package acts as your dryer’s primary defense line against dangerous internal thermal overloads. It includes both the high-limit thermostat and the single-use thermal cut-off fuse, which mount directly onto the heater element housing and the blower fan ductwork.

If the internal temperature of your dryer spikes to an unsafe level, the thermal fuse immediately snaps open, permanently breaking the electrical circuit. On electric models, a blown fuse typically allows the dryer to tumble but blocks all power to the heating element (leaving you with zero heat). On gas models, it will often prevent the entire appliance from starting up at all.

Quick Info:

• Compatibility: Precision engineered for major brands of gas and electric dryers (verify your specific model number for compatibility).

• Fixes Common Issues: Resolves “no heat” conditions, dryers that run but stay cold, and appliances that refuse to turn on or start up.

• Included Components: Contains (1) High-Limit Thermostat, (1) Thermal Cut-Off Fuse, (1) Jumper Wire, (2) Crimp Connectors, (3) Mounting Screws, and instructions.

• Design Type: Single-use safety device. Once this fuse trips open due to excessive heat, it cannot be reset and must be replaced.

• Difficulty: Novice. A very straightforward DIY electrical repair requiring only basic hand tools.

Tools Needed:

• Multi-screwdriver (or 1/4″ nut driver attachment)

Critical Maintenance Warning: A clogged or restricted exhaust vent is the root cause of 95% of all blown thermal fuses. If you install this brand-new kit without cleaning out your dryer’s exhaust system, the trapped hot air will back up into the cabinet and blow your brand-new fuse on the very first load. Before running your dryer again, completely disconnect the flexible duct behind the unit and clean out all lint buildup all the way to the exterior wall vent outside your home.

Installation & Safety Guidelines:

1. Isolate Power: You must completely unplug the dryer (or shut off the main 240V house circuit breaker) before removing the rear access panel or handling any electrical wiring.

2. Locate the Components: Remove the rear metal cabinet panel. The high-limit thermostat and thermal cut-off are mounted directly to the side of the long metal heater element box or the curved plastic blower housing.

3. Label and Swap: Disconnect the slide-on wire terminals from the old components one by one (take a quick phone photo first for reference). Remove the mounting screws, swap in the new matching sensors, and screw them down tight.

4. Wire Update: If your original wiring harness features an older terminal configuration, use the included jumper wire and crimp connectors to safely refresh the terminal bridge as outlined in the installation sheet.

Are you replacing this kit today because your dryer is running completely cold, or are you trying to troubleshoot a dryer that won’t turn on at all?