Dryer Operating Thermostat

Dryer Operating Thermostat 3387134 for Whirlpool, Kenmore, Roper, and Maytag

Restore proper temperature regulation in your dryer with this highâ€quality 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, noâ€heat 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, WED, WGD series


• 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: 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 BrandThermostatsManufacturerNapcoMpn3387134

• 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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