WANSUPYIN WH11X34742
WANSUPYIN WH11X34742 Drain Pump Assembly User Manual
For GE Washing Machines including FFTW4120SW, MLV45N1BWW
Product Overview
This manual provides essential information for the installation, operation, and maintenance of the WANSUPYIN WH11X34742 Drain Pump Assembly. This component is designed as a direct replacement part for specific GE washing machine models, ensuring efficient water drainage.

Figure 1: Overview of the WH11X34742 Drain Pump Assembly.
Key Features
- Direct Replacement: Designed to directly replace old or damaged drainage pump components, ensuring an exact match for the equipment.
- Enhanced Drainage: Quickly restores drainage efficiency and performance of the washing machine.
- Durable Construction: Manufactured from high-quality materials using advanced processes, ensuring excellent wear resistance, corrosion resistance, and stable operation in wet and detergent environments.
- Long Service Life: Rigorously tested and verified for extended durability and economical use.
- Easy Installation: Designed for straightforward replacement without requiring complex tools or professional skills.

Figure 2: Detailed view highlighting key features such as backflow prevention and material quality.
Specifications
| Attribute | Value |
|---|---|
| OEM Part Number | WH11X34742 |
| Voltage | AC120V |
| Current | 0.95A |
| Compatible Brand | GE |
| Compatible Models | FFTW4120SW, FFTW4120SW0, FFTW4120SW1, ATLMW41, CTW41N1AW, MLV41N1AWW, MLV45N1BWW, MLV45N1BWWC, MLV45N3BMG, MLV45N3BWW, HLTW600AXW |
| Item Weight | 1.98 pounds |
| Package Dimensions | 9.45 x 7.87 x 5.12 inches |
Note: This list of compatible models may not be exhaustive. Always verify compatibility with your specific appliance model.
Installation (Setup)
Safety First: Before attempting any installation or repair, ensure the washing machine is completely disconnected from the power supply and water source. Failure to do so can result in electric shock or water damage.
- Prepare the Area: Place towels or a shallow pan under the washing machine to catch any residual water that may drain during the process.
- Access the Pump: Depending on your washing machine model, you may need to tilt the machine, remove the front panel, or access the pump from the bottom or rear. Consult your washing machine's specific service manual for detailed access instructions.
- Drain Residual Water: Carefully disconnect the drain hoses from the old pump. Allow any remaining water to drain into your prepared pan.
- Disconnect Electrical Connections: Note the orientation and connection points of the electrical wires. Disconnect them from the old pump.
- Remove Old Pump: Unfasten any mounting screws or clips securing the old drain pump assembly. Carefully remove the old pump.
- Install New Pump: Position the new WH11X34742 Drain Pump Assembly in the correct orientation. Secure it with the mounting screws or clips.
- Reconnect Connections: Reconnect the electrical wires to the new pump, ensuring a secure fit. Reattach the drain hoses, making sure all clamps are tightened to prevent leaks.
- Test Operation: Once all connections are secure and the machine is reassembled, reconnect the power and water supply. Run a short drain cycle to check for proper operation and any leaks.

Figure 3: View of the pump showing electrical connections and mounting points.
Operating Principles
The WH11X34742 Drain Pump Assembly is an integral part of your washing machine's drainage system. When activated by the washing machine's control board during the drain or spin cycle, the pump's motor rotates an impeller. This impeller creates suction, drawing water from the washer tub and expelling it through the drain hose. Proper functioning of the pump ensures that water is efficiently removed from the machine, preventing overflow and allowing the spin cycle to effectively remove water from clothes.
Maintenance
The drain pump assembly is designed for durability and typically requires minimal maintenance. However, to ensure its longevity and optimal performance, consider the following:
- Regular Filter Cleaning: Many washing machines have a drain pump filter or coin trap. Regularly clean this filter as per your washing machine's user manual to prevent lint, coins, or small objects from reaching and potentially damaging the pump impeller.
- Avoid Overloading: Overloading the washing machine can put undue stress on various components, including the drain pump. Follow the manufacturer's guidelines for load capacity.
- Check for Obstructions: If you notice slow draining or unusual noises, inspect the drain hose and pump area for any visible obstructions. Always disconnect power before inspection.
Troubleshooting
If your washing machine is experiencing drainage issues, the drain pump may be a contributing factor. Here are some common symptoms and potential solutions:
| Symptom | Possible Cause | Solution |
|---|---|---|
| Washing machine not draining | Clogged drain pump filter/trap, kinked drain hose, faulty pump motor, electrical issue. | Clean the drain pump filter. Check and straighten the drain hose. If the pump is humming but not draining, it may be obstructed or faulty. If no sound, check electrical connections or pump motor. |
| Loud noise during drain cycle | Object lodged in pump impeller, worn bearings, faulty motor. | Disconnect power and inspect the pump impeller for foreign objects. If no object, the pump may need replacement due to internal wear. |
| Water leaking from pump area | Loose hose clamps, cracked pump housing, worn seals. | Check and tighten all hose clamps. Inspect the pump housing for cracks. If seals are worn, the pump assembly may need replacement. |
Important: Always disconnect power to the washing machine before performing any inspection or repair. If you are unsure about any step, it is recommended to consult a qualified appliance technician.
Replacement Part Numbers
This WH11X34742 Drain Pump Assembly is compatible with and replaces the following part numbers:
- 11001011000071
- WH01X28078
- 4980769
- AP7192541
- PS16729517
- EAP16729517
- 5304511363
- 4584305
- AP6261649
- PS12176487
- EAP12176487
Contact and Support
For further assistance or inquiries regarding the WANSUPYIN WH11X34742 Drain Pump Assembly, please refer to the seller's contact information on the original purchase platform. For specific washing machine repair guidance, consult your appliance manufacturer's official support channels or a certified technician.
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