A used Whirlpool dryer cycling thermostat. FSP part 3387134.

photo of the item

 (sold out)

List price is about $20.

Details:

This thermostat has 4 wires, 2 of which are for the internal biasing heater..

From the label:

  • Heater 120V
  • 9649
  • FSP
  • 326801
  • L155-25F

Specifics:

  • brand: FSP
  • manufacturer: Whirlpool
  • model number: L155-25F
  • part number: 3387134

Condition: Used.

The thermostat function bench tests good. I'm unable to test the biasing heater.