1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of the MIYACO VU50 Washing Machine Drain Trap, Model MB44CM. This product is designed to provide an efficient and clean drainage solution for washing machines, featuring a 50mm water seal to prevent odors and a design that minimizes debris accumulation.
The MIYACO VU50 drain trap is engineered for easy installation above the floor, simplifying the setup process by eliminating the need for complex underfloor work. Its robust construction ensures reliable performance and longevity.

2. Safety Information and Important Notes
- Always read the installation instructions carefully before beginning installation.
- Ensure plumbing is configured to avoid double traps, which can impede proper drainage.
- Do not install the drain trap on reverse slopes, as this will prevent effective water sealing and drainage.
- The product is heat resistant up to 140°F (60°C) and suitable for continuous use at temperatures up to 104°F (40°C). Exceeding these temperatures may cause damage.
- The main body is constructed from ABS, and the elbow from TPO.
3. Package Contents
Verify that all components are present before proceeding with installation. The package for the MIYACO VU50 Washing Machine Drain Trap (MB44CM) includes the following parts:

| No. | Part Name | Description |
|---|---|---|
| 1 | Hose Inner | Prevents drain hose deformation. |
| 2 | Band (Elbow Set) | Unichrome plating. |
| 3 | Elbow | White-grey, connects to drain hose. |
| 4 | Cap | MB44-C. |
| 5 | Lock Nut | Chrome plating. |
| 6 | Trap Body | MB44C-WN. |
| 7 | Decorative Cover | Chrome plating, conceals screws. |
| 8 | Screws | 3.5 x 20mm, 3 pieces. |
| 9 | Main Unit | MB44C-HN, white-grey. |
4. Setup and Installation
The MIYACO VU50 drain trap is designed for straightforward installation directly into your washing machine drain, eliminating the need for complex underfloor plumbing. Follow these steps for proper setup:
- Prepare the Drain Opening: Ensure the drain opening is clean and free of debris. The trap is designed for VU50 pipe connections.
- Insert the Main Unit: Carefully insert the main unit (9) into the drain opening. Ensure it sits flush and securely.
- Secure the Main Unit: Use the provided screws (8) to firmly attach the main unit to the floor or mounting surface.
- Assemble the Elbow and Hose Inner: Attach the hose inner (1) to the elbow (3). Then, connect the elbow assembly to the main unit, securing it with the band (2) and lock nut (5).
- Connect the Washing Machine Drain Hose: Attach your washing machine's drain hose to the elbow. The included hose inner helps prevent the drain hose from deforming, ensuring a secure connection.
- Install the Decorative Cover: Place the decorative cover (7) over the installed unit. This cover is designed to conceal the screws for a clean aesthetic.


5. Operating Instructions
Once installed, the MIYACO VU50 Washing Machine Drain Trap operates automatically with your washing machine's drainage cycle. Key features include:
- Odor Prevention: The integrated 50mm water seal effectively prevents unpleasant odors from rising from the drain into your living space.
- Debris Management: The clean-type design is engineered to minimize the snagging and accumulation of debris, promoting smooth drainage.
- Hose Protection: The included hose inner helps maintain the shape of your washing machine's drain hose, preventing kinks or deformation that could impede water flow.

6. Maintenance
Regular maintenance ensures the optimal performance and longevity of your MIYACO VU50 drain trap:
- Periodic Inspection: Periodically check the trap for any signs of debris accumulation or blockages. While designed to minimize snagging, occasional cleaning may be necessary depending on usage.
- Cleaning: If cleaning is required, carefully remove the decorative cover and access the trap body. Clean any accumulated lint or debris. Reassemble securely after cleaning.
- Replacement Parts: The cover, rubber elbow, and lock nut are designed to be replaceable. If these components show signs of wear or damage, replacement parts are available to restore the trap to a like-new condition. This is particularly useful in households with frequent replacements.
7. Troubleshooting
This section addresses common issues you might encounter with your drain trap.
- Odor from Drain: If you detect odors, first ensure the water seal is intact. This usually means checking that water is consistently present in the trap. A dry trap can occur if the washing machine is not used for extended periods or if there's a plumbing issue. Ensure the trap is not installed on a reverse slope.
- Slow Drainage: Slow drainage often indicates a partial blockage. Inspect the trap for lint, hair, or other debris. Remove the decorative cover and clean the trap body as described in the Maintenance section.
- Leaking: Check all connections, especially where the washing machine hose connects to the elbow and where the main unit connects to the drain. Ensure all bands and nuts are tightened securely. Inspect the rubber elbow for cracks or damage and replace if necessary.
- Hose Deformation: The included hose inner is designed to prevent this. If the hose is still deforming, ensure the hose inner is correctly installed and that the hose itself is not kinked or under excessive stress.
8. Specifications
Detailed technical specifications for the MIYACO VU50 Washing Machine Drain Trap (Model MB44CM).
| Specification | Detail |
|---|---|
| Manufacturer | MIYACO |
| Model Number | MB44CM |
| Part Number | MB44CM |
| Item Weight | 7 ounces (approx. 198 grams) |
| Product Dimensions | 4.72 x 4.33 x 6.3 inches (approx. 12 x 11 x 16 cm) |
| Number of Pieces | 1 (main assembly) |
| Included Components | Inner Screw (as part of the assembly) |
| Materials | Main body: ABS, Elbow: TPO |
| Heat Resistance | Up to 140°F (60°C) |
| Continuous Use Temperature | Up to 104°F (40°C) |
| Water Seal Depth | 50mm |
| Compatibility | For VU50 pipe connections |
