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Customer Questions and Answers for Power Relay (48 Vdc Coil) by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM18025674
Manufacturer Part Number: WP3405281

This power relay is an electromechanical switch with a 48 VDC coil that lets the control board safely turn high-voltage components on and off. Replacing a weak or sticking relay helps restore consistent, reliable operation. What it does:

  • Uses a 48 VDC coil signal from the control to open/close internal contacts
  • Switches AC line power to high-demand loads (e.g., heater, motor, fan, or compressor)
  • Helps maintain stable cycling and prevents intermittent operation
  • Helps with symptoms such as no heat or no run, intermittent operation, clicking with no activation, or a component stuck on
What's included:
  • Power relay (48 VDC coil)
Install notes:
  • Disconnect power to the appliance before servicing; allow capacitors to discharge
  • Note/photograph wire locations and move wires one at a time to matching terminals
  • Ensure terminals are fully seated; replace any burnt or loose connectors
  • Mount in the original orientation and secure firmly to prevent vibration

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$32.95
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$39.54
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Questions & Answers

For Whirlpool Power Relay (48 Vdc Coil) (Part Number: OEM18025674)

1 Answer

Hello D. Based on the information you provided, the motor is bad and will need to be replaced on the unit. The switch made into the motor is bad.

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1 Answer

Hello Joel. The switch inside the motor is not connecting and allowing the motor to stay on and run. You need to replace the motor in the unit.

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1 Answer

Hello Joel. Based on the information you provided, you will need to order and replace the motor assembly 279787. It is bad and not working properly.

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