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Thermador Refrigerator dispenser leaking water

If your Thermador refrigerator dispenser is leaking water, start by checking the dispenser door first — a broken or misaligned door that does not seal or open properly is the most likely cause. Next check the home water pressure at the kitchen faucet; low water pressure can make the water inlet valves drip or leak during dispensing. If the door and water pressure look fine, inspect the dispenser actuator that engages the switch, then test the water inlet valve for continuity and proper operation, since it needs about 20 psi to function. Finally, test the dispenser switches with a multimeter; a failed switch can let voltage or water pass when it should be closed. These quick checks cover the most common to less common causes of a fridge water dispenser leaking or a refrigerator dispenser leaking water. If you need a replacement part, enter your model number at RepairClinic.com to find the exact dispenser door, actuator, inlet valve, or switch that fits your fridge and get step-by-step parts guidance.

01 - Thermador Refrigerator Dispenser Door

The dispenser door is opened by a motor or a solenoid to dispense the ice, but if the door is broken, it may not open properly in order to release the ice. You should inspect the dispenser door for damage to determine if the component should be replaced. You may have to remove the dispenser control panel or frame to access and inspect the dispenser door.
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Highly Likely

02 - Low Water Pressure from House Supply

The water inlet valve, which supplies water to the refrigerator water dispenser, requires sufficient water pressure to work properly. If the water pressure is too low, the dispenser will leak. You can check the water flow at the kitchen faucet to help determine if the home's water pressure is sufficient or not.
Common

03 - Thermador Refrigerator Dispenser Actuator

The dispenser actuator is the component that activates the switch or switches to send voltage to the dispenser. If the dispenser actuator is damaged, it may be unable to activate the switch. Inspect the dispenser actuator for any damage and replace with a new one if necessary.
Common

04 - Thermador Refrigerator Water Inlet Valve

A refrigerator water inlet valve will direct water to the dispenser as well as the ice maker fill tube. If the inlet valve is obstructed, the solenoid coils on the valve are defective, or the home's water pressure is too low, the water valve will not work properly. The valve requires at least 20psi to function properly. Make sure that the water pressure to the valve is at least 20 psi. If the water pressure is sufficient, use a multimeter to test the water inlet valve for continuity. If the water inlet valve does not have continuity, replace it.
Less Common

05 - Thermador Refrigerator Dispenser Switch

The dispenser switches send voltage to the dispenser. If one of the dispenser switches is defective, the dispenser will not work. To determine if a dispenser switch is defective, use a multimeter to test each switch for continuity. If a dispenser switch does not have continuity, replace it.
Less Common

Frequently Asked Questions

Why is my refrigerator water dispenser leaking?
How do I test or replace the refrigerator water inlet valve?
Can a broken dispenser door or actuator cause leaks, and how do I inspect them?
How do I check the dispenser switch?
How do I enter my model number or part number on RepairClinic.com to find the right replacement part?

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