1. Product Overview
This manual provides essential information for the Mitsubishi Refrigerator Water Tank, model M20KL0520. This genuine replacement part is designed to ensure proper water supply for your refrigerator's ice maker and water dispenser functions.

A clear plastic water tank with a white lid, designed for Mitsubishi refrigerators. The internal mechanism for water dispensing is visible.
1.1 Key Features
- Genuine Mitsubishi replacement part.
- Ensures proper water supply for ice making.
- Durable clear plastic construction for easy water level monitoring.
1.2 Compatible Refrigerator Models
The M20KL0520 water tank is compatible with a wide range of Mitsubishi refrigerator models. Please verify your refrigerator's model number against the list below to ensure compatibility:
- MR-A37J-T
- MR-A37J-W
- MR-A37M-NW
- MR-A37M-W
- MR-A37NF-T
- MR-A37NF-W
- MR-A41J-NW
- MR-A41J-NW1
- MR-A41J-S
- MR-A41J-S1
- MR-A41J-T
- MR-A41J-T1
- MR-A41J-W
- MR-A41J-W1
- MR-A41M-CH
- MR-A41M-CH1
- MR-A41M-NW
- MR-A41M-NW1
- MR-A41M-W
- MR-A41M-W1
- MR-A41N-C
- MR-A41N-CH
- MR-A41NF-R
- MR-A41NF-S
- MR-A41NF-SR
- MR-A41NF-T
- MR-A41NF-W
- MR-A41N-W
- MR-C40GJ-S
- MR-C40GJ-W
- MR-C40SNFL-T
- MR-C40SNFL-W
- MR-C40SNF-T
- MR-C40SNF-W
- MR-C45GJ-S
- MR-C45GJ-W
- MR-C46SNFL-T
- MR-C46SNFL-W
- MR-C46SNF-T
- MR-C46SNF-W
- MR-G40JE2-S
- MR-G40JE2-T
- MR-G40JE2-W
- MR-G40J-S
- MR-G40J-S1
- MR-G40J-S2
- MR-G40J-T
- MR-G40J-T1
- MR-G40J-T2
- MR-G40J-W
- MR-G40J-W1
- MR-G40J-W2
- MR-G40NF-BR
- MR-G40NFEM7-BR
- MR-G40NFEM7-T
- MR-G40NFEM7-W
- MR-G40NF-T
- MR-G40NF-W
- MR-G45JE2-S
- MR-G45JE2-T
- MR-G45JE2-W
- MR-G45J-S
- MR-G45J-S1
- MR-G45J-S2
- MR-G45J-T
- MR-G45J-T1
- MR-G45J-T2
- MR-G45J-W
- MR-G45J-W1
- MR-G45J-W2
- MR-G45NF-BR
- MR-G45NFEM7-BR
- MR-G45NFEM7-T
- MR-G45NFEM7-W
- MR-G45NF-T
- MR-G45NF-W
- MR-G50J-BR
- MR-G50J-BR1
- MR-G50J-BR2
- MR-G50J-S
- MR-G50J-S1
- MR-G50J-S2
- MR-G50J-T
- MR-G50J-T1
- MR-G50J-T2
- MR-G50J-W
- MR-G50J-W1
- MR-G50J-W2
- MR-G50NF-BR
- MR-G50NF-S
- MR-G50NF-T
- MR-G50NF-W
- MR-S40JE2L-T
- MR-S40JE2L-W
- MR-S40JE2-T
- MR-S40JE2-W
- MR-S40JL-T
- MR-S40JL-T1
- MR-S40JL-T2
- MR-S40JL-W
- MR-S40JL-W1
- MR-S40JL-W2
- MR-S40J-T
- MR-S40J-T1
- MR-S40J-T2
- MR-S40J-W
- MR-S40J-W1
- MR-S40J-W2
- MR-S40ML-T
- MR-S40ML-T1
- MR-S40ML-W
- MR-S40M-T
- MR-S40M-T1
- MR-S40M-W
- MR-S40M-W1
- MR-S40N-BR
- MR-S40NFL-T
- MR-S40NFL-W
- MR-S40NF-T
- MR-S40NFV7L-T
- MR-S40NFV7L-W
- MR-S40NFV7-T
- MR-S40NFV7-W
- MR-S40NF-W
- MR-S40NL-BR
- MR-S40NL-T
- MR-S40NL-W
- MR-S40N-T
- MR-S40N-W
- MR-S45NL-T
- MR-S45NL-W
- MR-S45N-T
- MR-S45N-W
- MR-S46JE2L-T
- MR-S46JE2L-W
- MR-S46JE2-T
- MR-S46JE2-W
- MR-S46JL-T
- MR-S46JL-T1
- MR-S46JL-W
- MR-S46JL-W1
- MR-S46J-T
- MR-S46J-T1
- MR-S46J-T2
- MR-S46J-W
- MR-S46J-W1
- MR-S46J-W2
- MR-S46ML-T
- MR-S46ML-W
- MR-S46M-T
- MR-S46M-W
- MR-S46NFL-T
- MR-S46NFL-W
- MR-S46NF-T
- MR-S46NFV7L-T
- MR-S46NFV7L-W
- MR-S46NFV7-T
- MR-S46NFV7-W
- MR-S46NF-W
- MR-W45J-K
- MR-W45J-K1
- MR-W45J-K2
- MR-W45J-T
- MR-W45J-T1
- MR-W45J-T2
- MR-W45M-PW
2. Safety Information
Please read and understand all safety precautions before installing or using the water tank. Failure to follow these instructions may result in property damage or injury.
- Always disconnect power to the refrigerator before attempting any installation or maintenance.
- Use only clean, potable water in the tank.
- Do not use abrasive cleaners or harsh chemicals on the water tank, as this may damage the material.
- Keep the water tank out of reach of children.
- Ensure the tank is securely seated in its designated compartment to prevent leaks.
3. Setup & Installation
Follow these steps to properly install your new Mitsubishi Refrigerator Water Tank M20KL0520.
3.1 Removing the Old Water Tank
- Open the refrigerator door and locate the water tank compartment, typically in the fresh food section.
- Carefully pull the old water tank straight out from its position. If there is water inside, empty it into a sink.
- Inspect the compartment for any debris or water residue and clean if necessary.
3.2 Installing the New Water Tank
- Unpack the new M20KL0520 water tank.
- Fill the tank with fresh, potable water. Do not overfill.
- Align the water tank with the guides in the refrigerator compartment.
- Gently push the tank firmly into place until it clicks or feels securely seated. Ensure there are no gaps.
- Close the refrigerator door.
4. Operating Instructions
The Mitsubishi Refrigerator Water Tank M20KL0520 operates automatically once installed and filled with water. The refrigerator's internal system will draw water from the tank as needed for ice production or water dispensing.
4.1 Filling the Water Tank
- Remove the water tank from the refrigerator.
- Open the lid and fill with clean, cold, potable water.
- Close the lid securely and return the tank to its compartment in the refrigerator.
It is recommended to use filtered water to prolong the life of your ice maker and ensure better taste.
5. Maintenance
Regular cleaning of your water tank is crucial for hygiene and optimal performance.
5.1 Cleaning Frequency
- Clean the water tank at least once a month, or more frequently if you notice any discoloration or residue.
- If the refrigerator's ice production decreases or stops, cleaning the tank is a recommended first step.
5.2 Cleaning Procedure
- Remove the water tank from the refrigerator and empty any remaining water.
- Disassemble any removable parts of the tank (e.g., lid, internal filter if applicable).
- Wash all parts with warm water and a mild dish soap. Use a soft brush or sponge to clean all surfaces thoroughly.
- Rinse all parts thoroughly with clean water to remove any soap residue.
- Allow all parts to air dry completely before reassembling and returning to the refrigerator.
6. Troubleshooting
If you encounter issues with your refrigerator's water or ice system, consider the following common solutions related to the water tank:
| Problem | Possible Cause | Solution |
|---|---|---|
| No ice production or water dispensing | Water tank is empty. | Refill the water tank with potable water. |
| No ice production or water dispensing | Water tank is not properly seated. | Remove and re-insert the water tank, ensuring it is fully pushed into place. |
| Ice has an unusual taste or odor | Water tank is dirty or has residue. | Clean the water tank thoroughly as per the maintenance instructions. Consider using filtered water. |
| Water leakage from the tank area | Tank lid is not closed properly or tank is damaged. | Ensure the lid is securely closed. Inspect the tank for cracks or damage; replace if necessary. |
7. Specifications
| Feature | Detail |
|---|---|
| Brand Name | Mitsubishi Electric |
| Model Number | M20KL0520 |
| Product Weight | 400 g |
| Color | White (Lid) / Clear (Tank) |
| Installation Type | Built-in (Refrigerator Compartment) |
| Form Factor | Compact |
| Batteries Required | No |
| ASIN | B0186PSHN2 |
| First Available Date | November 19, 2015 |
8. Warranty & Support
For warranty information, technical support, or to inquire about other genuine Mitsubishi Electric parts, please contact Mitsubishi Electric customer service directly or visit their official website.
You can find more information and contact details on the official Mitsubishi Electric store page: Mitsubishi Electric Store





