DRYER RUNS BUT DOES NOT HEAT WHEN THE THERMOSTAT IS OPEN OR HAS TRIPPED
Whirlpool Dryer High-limit thermostat WP3390291, Fixes Dryer runs but does not heat when the thermostat is open or has tripped
Genuine Whirlpool OEM high-limit thermostat; 2-wire design with a 250°F limit and approximately 60°F cool-down differential before reset. The thermostat interrupts power when the dryer overheats.
Part WP3390291Replaces 3390291, 696397, 69639-7-REPLWhirlpool
Guaranteed to Fit — or your money back.
Confirm your full appliance model number before ordering.
Confirm your full appliance model number before ordering.
Is This the Right Part?
Part NumberWP3390291
Replaces3390291, 696397, 69639-7-REPL
ManufacturerWhirlpool
Appliance TypeDryer
Part TypeHigh-limit thermostat
✅ Cross Reference Information
Current Part NumberWP3390291
Replaces3390291, 696397, 69639-7-REPL
Common Symptoms
- Dryer runs and tumbles but produces no heat
- Heating stops after an overheating event and may resume after the thermostat cools and resets
- High-limit thermostat repeatedly opens when airflow is restricted or another heating-system fault causes excessive temperature
Check Before Replacing
- Disconnect electrical power before testing or accessing the part.
- With the dryer unplugged and the thermostat at room temperature, inspect both terminals and wires for loose, burned, or damaged connections.
- Use a multimeter to check continuity across the thermostat; an open reading at room temperature indicates the thermostat or its connection requires further evaluation.
- Check the lint screen, exhaust duct, and external vent for blockage before replacing a repeatedly opening thermostat.
- Do not bypass the thermostat or operate the dryer with its safety components disconnected.
Pro Tip
If this thermostat has opened repeatedly, check for restricted exhaust airflow and related heater components rather than treating the thermostat as the only possible cause.
Part Details
Part NumberWP3390291
Part TypeHigh-limit thermostat
ManufacturerWhirlpool
Appliance TypeDryer
Primary FunctionA resettable 2-wire safety thermostat that opens the dryer heater or burner circuit when temperature reaches approximately 250°F and resets after cooling by approximately 60°F.
Installation Notes
- Disconnect power before installation.
- Install the thermostat in the original position on the dryer heater housing and reconnect both wires as documented for the appliance.
- Inspect wire terminals for heat damage while the part is accessible; repair damaged connections using the appliance manufacturer’s approved method.
- Verify the replacement part against the appliance model’s parts diagram before installation, because similar-looking thermostats are not necessarily interchangeable.
Verified Compatible Models
3CEP2910BW0, 3CEP2920DW0, 3CEP2960DN0, 3CEP2960DN2, 3CEP2960DW0, 3CEP2960DW2, 3RAWZ480EMQ0, 3RAWZ480EMQ1, 3RAWZ481EML0, 11086682620, 11086682710, 11086692820, 11086694320, 11098576200, 11098576400
Fitment reminder: Match the complete appliance model number, including suffix or revision where applicable, before ordering.
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