Dryer Operating Thermostat 3387134 for Whirlpool, Kenmore, Roper, and Maytag
Restore proper temperature regulation in your dryer with this highâquality replacement for Whirlpool 3387134. The operating thermostat controls the internal dryer temperature during the drying cycle, ensuring safe, efficient heating. A failing thermostat can cause long dry times, noâheat conditions, or overheating.
Compatibility
Fits many dryers manufactured by Whirlpool and sold under multiple brand names:
- Whirlpool
- Kenmore (110-series)
- Maytag
- Roper
- Estate
- Crosley
- Amana
Common compatible model families include:
- LER, LGR, and specific WGD series
- Specific Kenmore 110.6xxxxxxx, 110.7xxxxxxx
- Maytag MED, MGD series
Always verify your model number before ordering
Replaces / Cross-Reference
- 3387134
- AP3131939
- PS344510
- 306910
- 3387135
- 3387139
- AP6008270
- 2011
- 2893
- 3-6910
- ET187
- PS11741405
- KSD301C
- 8318268
Technical Specifications
- Type: Cycling / operating thermostat
- Temperature Rating: L155-25; Opens at approx. 155F (68C)
- Function: Regulates dryer drum temperature
- Terminals: 4-terminal design, 2 outside terminals are 1/4" male and the 2 inside terminals are 3/16" male
- Mounting: Direct-fit replacement for Whirlpool-style dryers
- Rating: 250 Volts, 2 Watt Heat Anticipator
Symptoms This Part Fixes
Replace this thermostat if your dryer:
- Won't heat
- Overheats or gets too hot
- Takes too long to dry
- Shuts off mid-cycle
- Has inconsistent temperatures
- Runs but produces no heat
Why This Part Fails
Operating thermostats commonly fail due to:
- Age and repeated heating cycles
- Lint buildup restricting airflow
- Overheating events
- Electrical fatigue
- Moisture exposure
A weak thermostat may stick open (no heat) or stick closed (overheating)
Installation Notes
- Disconnect power before servicing
- Remove rear access panel
- Replace thermostat using existing mounting screws
- Transfer wires one at a time to avoid miswiring
- Clean lint and check venting for proper airflow
Most DIYers can complete this repair in under 15 minutes
Product Details
| Brand | Thermostats |
|---|---|
| Manufacturer | Napco |
| Mpn | 3387134 |
- Operating Thermostat; part number 3387134
- Temperature Rating: Opens at approx. 155°F (68°C)
- The 2 outside terminals are 1/4" male & the 2 inside terminals are 3/16" male
- Replaces numbers 3387134, 3-6910, 306910, 3387135, 3387139, 8318268, AP3131939, AP6008270, ET187, PS344510, and PS11741405
- Designed to fit specific Whirlpool manufactured dryer models including Kenmore, Maytag, Roper, Estate, Crosley, and Amana
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