Repair Riot

Washer Not Getting Hot Water

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Quick answer

Check the hot water supply valve and ensure it's fully open. Verify the water heater is working and set to the correct temperature. If both are fine, inspect the washer's water inlet valve for clogs or damage.

Confirm the symptom

Tools and prep

Step-by-step troubleshooting

  1. Check Hot Water Supply Valve
    Do: Locate the hot water supply valve behind the washer and ensure it's fully open.
    Observe: Valve is open and not obstructed.
    Means: The valve was closed or partially closed.
    Next: If the valve is open, move to the next step.
  2. Test Water Heater
    Do: Check the water heater's temperature setting and ensure it's functioning.
    Observe: Water heater is set to 120°F or higher and heating properly.
    Means: The water heater is not providing hot water.
    Next: Adjust the temperature or contact a professional for water heater issues.
  3. Inspect Inlet Valve
    Do: Visually inspect the washer's water inlet valve for signs of damage or blockage.
    Observe: Inlet valve shows signs of wear, corrosion, or blockage.
    Means: The inlet valve may need cleaning or replacement.
    Next: Clean the valve or replace it if damaged.
  4. Check Inlet Hoses
    Do: Inspect the inlet hoses for kinks, cracks, or blockages.
    Observe: Hoses are damaged or clogged.
    Means: Damaged or clogged hoses are restricting hot water flow.
    Next: Replace or clear the affected hose.
  5. Test with Another Appliance
    Do: Run hot water at another fixture (e.g., sink) to confirm the issue is isolated to the washer.
    Observe: Other fixtures provide hot water normally.
    Means: The issue is likely with the washer, not the home's hot water supply.
    Next: Proceed to test the washer's internal components.
  6. Test Inlet Valve with Multimeter
    Do: Use a multimeter to test the inlet valve's electrical connections for continuity.
    Observe: No continuity or inconsistent readings.
    Means: The inlet valve is faulty and needs replacement.
    Next: Replace the water inlet valve.

Common causes

CauseLikelihoodDifficultyPart often needed
Closed Hot Water Supply Valve
The valve restricts or blocks hot water flow to the washer.
CommonEasyNone
Low Water Heater Temperature
The water heater is not set high enough to provide hot water.
CommonEasyNone
Clogged or Damaged Inlet Valve
Debris or wear in the valve prevents proper hot water flow.
CommonEasy–MediumWater Inlet Valve
Faulty Inlet Valve Solenoid
The solenoid fails to open the valve for hot water.
SometimesMediumWater Inlet Valve
Kinked or Clogged Inlet Hose
Physical blockage or damage in the hose restricts water flow.
SometimesEasyInlet Hose
Faulty Washer Control Board
The control board fails to signal the inlet valve to open for hot water.
RareHardControl Board

Parts matching

If you need to replace parts, look for these common components:

Match your washer's model number when purchasing replacement parts for compatibility.

When to call a professional

FAQ

Why is my washer getting cold water even though the valve is open?

The hot water supply line might be kinked or clogged, or the water heater might not be functioning properly.

Can a bad inlet valve affect both hot and cold water?

Yes, a faulty inlet valve can affect both lines, but issues often occur on one side due to usage patterns or sediment buildup.

How do I know if the inlet valve needs replacement?

If the valve shows signs of corrosion, has no continuity when tested, or fails to open during operation, it likely needs replacement.

Is it normal for the inlet valve to make noise when operating?

A slight humming sound is normal, but loud clicking or grinding indicates a problem.