Whirlpool wp3399849vp Thermal Fuse Dryer Part

Product Description

The WHIRLPOOL wp3399849vp is a genuine OEM thermal fuse designed to protect dryer components from overheating. Thermal fuses are single-use safety devices that interrupt the electrical circuit when exhaust or internal temperatures exceed a set threshold, preventing fires and component damage. This part is a direct factory replacement, meaning it meets the original design specifications for fit, function, and operating limits. Licensed appliance technicians and experienced DIYers install this fuse as part of a standard no-heat or no-start diagnostic repair on Whirlpool-built dryers.

This thermal fuse is a common service part in residential dryer repair. It is typically found on the exhaust duct housing or heating element housing inside the dryer cabinet. When a dryer runs but produces no heat, or fails to start at all, a blown thermal fuse is one of the first components checked. Because the fuse blows in response to an underlying condition, the root cause — such as a clogged lint screen, blocked exhaust duct, or failed cycling thermostat — should be identified and corrected before the replacement fuse is installed.

Key Features

• Genuine OEM part manufactured by Whirlpool to original factory specifications
• Single-use safety device that opens the circuit on overtemperature events
• Non-resettable design ensures the overtemperature event is investigated before the dryer is returned to service
• Direct drop-in replacement requiring no modification

Compatibility

Designed as an OEM-style replacement thermal fuse for Whirlpool-built residential dryers. Consult the dryer model and parts diagram to confirm fitment before installation.

Installation Notes

Installation should be performed by a qualified appliance technician or a knowledgeable DIYer familiar with appliance electrical systems. Disconnect power to the dryer at the wall outlet or breaker before accessing internal components. Thermal fuses are non-resettable and cannot be bypassed safely — always replace with the correct OEM part. Before completing the repair, inspect and clear the full exhaust duct path to address the condition that caused the original fuse failure.

Technical Specifications

• Part Type: Thermal Fuse

Standard Information

• Brand: WHIRLPOOL
• Manufacturer Part Number: wp3399849vp