What causes ice maker water line to freeze?

Author: Anahi Wisoky  |  Last update: Thursday, November 13, 2025

Clogged water lines Water lines won't be able to deliver the proper flow of water to your ice machine if the line is too small or plugged by mineral content. The cold temperatures of the winter months can lead to frozen water lines, which is among the most common ice maker problems caused by cold weather.

What to do if the water line freezes in the ice maker?

Comments Section
  • Remove the ice maker from the freezer.
  • Unclog the water pipe with a hair dryer, and remove all the frozen bits from your ice maker by running hot water over it.
  • Dry your ice maker with a rag.
  • Reinstall and wait a few days to see if it happens again.

Why does my ice maker inlet tube keep freezing up?

Why Does My Ice Maker Fill Tube Keep Freezing Up? Frozen ice maker freezing can be caused by a frozen ice maker filler pipe, a faulty water inlet valve, a freezer temperature that is too low, or a water filter that needs to be replaced.

How do I stop my refrigerator water lines from freezing?

To prevent a frozen water line, use a heat gun or hair dryer to warm the area of the line that is in danger of freezing. To properly use either device, the user should begin by identifying the area at risk. Once identified, the user should then direct a steady stream of heat from the gun or hair dryer onto this area.

How do you fix an ice maker that keeps freezing?

You'll need to just remove all the ice. You can either unplug the unit for 24 hours and let all the ice on the icemaker thaw out, or just unplug the unit and use a hair dryer and melt all the ice on the fill tube and icemaker. Once all the ice is melted, the unit should be good to go again.

What causes ice maker water line to freeze?

Why does my Whirlpool ice maker line keep freezing?

Cause: You may find yourself stuck with a frozen water line when the temperature in the freezer or refrigerator compartment is set too low, or the insulation surrounding the water line isn't helping to prevent freezing.

What happens if your water line freezes?

What Happens When Pipes Freeze? Pipes will likely freeze when the temperature drops to 32°F or below and become even more likely to freeze when the temperature gets to 20°F or below. When pipes freeze, there is a chance that your pipes could potentially burst as a result of cracks caused by the freezing.

How to unclog an ice maker water line?

Alternatively, you can defrost the water line with a hair dryer or by letting the refrigerator sit unplugged for upward of two hours. Restore power to the refrigerator and listen for the water supply to fill the ice mold. If the clog is anything but translucent, consult with a professional for help removing the clog.

How do I keep my ice maker from freezing together?

Store your ice cubes in a paper bag.

Whether you rely on your ice dispenser, use an ice cube tray or buy it by the pound, quickly transfer the cubes to a clean paper bag. Fold it closed and store it in the freezer. Pull out the cubes as you need them. They shouldn't stick together.

Why does my suction line keep freezing up?

If the filter gets dirty, it blocks airflow to the evaporator coil. Without airflow, heat doesn't get to the evaporator coil, and the refrigerant doesn't boil. As a result, the pressure and the temperature will drop, causing the system to freeze.

Why does the inlet tube keep freezing in my ice maker?

The ice maker fill tube can be accessed from the back of the refrigerator depending on the model. A refrigerator ice maker that freezes up can be caused by a frozen ice maker fill tube, faulty water inlet valve, too low freezer temperature setting, or a water filter that needs replacing.

Will a frozen water line thaw on its own?

Your pipes will eventually begin to thaw on their own once the temperatures rise above freezing.

Does unplugging a refrigerator reset the ice maker?

If you don't hear a chime, but you can see movement from the ice maker, then the ice maker was reset. If you don't hear a chime and there is no movement from the ice maker, unplug the fridge or turn it off at the circuit breaker for 2 minutes. Then, power it back up and try again.

How do you fix a frozen water line on an ice maker?

The fix here is actually just to aim a hairdryer at it on the low setting. This is why you want as much frost removed from the freezer as you do not want water to come into contact with the hairdryer. Once the water supply hose is thawed, it is fixed. Now you need to make sure it doesn't happen again.

Why does my refrigerator water line keep freezing?

If there is not enough food in the drawer to absorb the cold, cold air will be transferred to the water tank, causing the tank and/or tubes to freeze. Set your drawer on the coldest setting only if the drawer is completely full of food. For normal food load, set the pan on the middle setting.

How do you fix a frozen water line?

Apply heat to the section of pipe using an electric heating pad wrapped around the pipe, an electric hair dryer, a portable space heater (kept away from flammable materials), or by wrapping pipes with towels soaked in hot water.

How do you keep your water lines from freezing?

Running water through the pipe—even at a trickle—helps prevent pipes from freezing. Keep the thermostat set to the same temperature during the day and at night.

Will pouring hot water down drain unfreeze pipes?

The job goes more quickly by pouring hot water or a mixture of vinegar, baking soda and salt water down the drain. Space heaters, hair dryers and heating pads are highly efficient tools for unfreezing a drain pipe. If a frozen drain line ruptures, turn off your home's main water supply.

How do I know if my water line is frozen?

An open faucet that produces no water or only a slow trickle is a good reason to suspect that a pipe has frozen. Check the water meter; if it shows movement when all water fixtures are off, it is likely that a pipe has burst.

How much does it cost to replace a water valve in an ice maker?

The water valve controls the water that flows into the ice maker's cube mold by turning it on and off. It can break and potentially cause leaks. A new water valve will cost around $20, and replacing it will cost $75 to $175, including labor.

How to clean an ice maker water line?

If mold is present, you can add 3 cups of vinegar to the water line with a funnel and turn on the ice maker so that the vinegar runs through the dispenser.

Previous article
Why is my hot water not fully hot?
Next article
What insulation can be left uncovered?