1. Introduction
The ALTHY AL-WH200 Whole House Drinking Water Filter Purifier System is designed to provide clean, filtered water throughout your entire home. This system effectively reduces a wide range of contaminants, ensuring a stable and safe water supply for various household uses. Please read this manual thoroughly before installation and operation to ensure proper use and maintenance of your water filtration system.
2. Safety Information
- Always turn off the main water supply before installing or performing maintenance on the system.
- Ensure all connections are secure to prevent leaks.
- Do not use the system with water that is microbiologically unsafe or of unknown quality without adequate disinfection before or after the system.
- Keep the system away from direct sunlight and freezing temperatures.
- Use only genuine ALTHY replacement filters to ensure optimal performance and safety.
3. Package Contents
Verify that all items are present in the box:
- ALTHY WH200 Host x1
- Expansion screw x2
- 3/4 inch Connector x2
- User Manual x1

Figure 3.1: ALTHY AL-WH200 System and included components.
4. Specifications
| Attribute | Value |
|---|---|
| Brand Name | ALTHY |
| Model Number | AL-WH200 |
| Type | Activated Carbon |
| Water Treatment Machine Type | Water Purifier |
| Use | Under Sink (Whole House) |
| Material | Activated Carbon Filter Element |
| High-concerned chemical | None |
| Water Quality Requirements | Municipal Water/Well Water |
| Interface Diameter | DN20 |
| Installation | Vertical |
| 5 Stage Filtration | No (Two-stage: PAC and ACB) |
| Purifying Position | Other (Whole House) |
| Certification | CE, RoHS |
| Origin | Mainland China (Guangdong) |
| Package Weight | 4.52 kg |
| Package Dimensions (L x W x H) | 67 cm x 32 cm x 19 cm |

Figure 4.1: ALTHY AL-WH200 System certifications and contaminant reduction capabilities.
5. Setup and Installation
The ALTHY AL-WH200 system is designed for DIY installation. Follow these general steps. Refer to the included user manual for detailed diagrams and specific instructions.
5.1 Pre-Installation
- Choose a suitable location for installation, typically near the main water inlet of your home.
- Ensure there is enough space for filter replacement and maintenance.
- Turn off the main water supply to your home.
- Drain water from nearby faucets to relieve pressure in the pipes.
5.2 Mounting the System
- Use the provided expansion screws to securely mount the system's hanging board to a sturdy wall or support structure.
- Ensure the system is level and stable.
5.3 Connecting Water Lines
- Connect the main water inlet line to the 'IN' port of the filter system using the provided 3/4 inch connectors.
- Connect the filtered water outlet line from the 'OUT' port of the filter system to your home's plumbing.
- Ensure all connections are tightened properly to prevent leaks. It is recommended to use Teflon tape on threaded connections.
5.4 System Startup
- Slowly turn on the main water supply.
- Check for any leaks around the connections. Tighten if necessary.
- Open a nearby cold water faucet and let the water run for 10-15 minutes to flush out any air and carbon fines from the new filters. The water may appear cloudy initially, which is normal.
6. Operating Instructions
Once installed and flushed, the ALTHY AL-WH200 system operates automatically, providing filtered water to your entire home. The system has passed 200,000+ water hammer tests, ensuring a stable and safe water supply with a smooth and consistent flow rate.
The efficient filtration system removes 99% of residual chlorine, heavy metals, sediments, rust, chemical contaminants, and odors, significantly improving the taste and quality of your household water.
7. Maintenance
Regular filter replacement is crucial for maintaining the performance and efficiency of your ALTHY AL-WH200 system.
7.1 Filter Replacement Schedule
- PAC Filter: Replace every 6 months.
- ACB Filter: Replace every 12 months.
Filter lifespan may vary depending on water quality and usage. Timely replacement ensures continuous high-quality filtration and extends the overall life of your system.
7.2 Quick Filter Replacement
The ALTHY AL-WH200 features a quick replacement filter element design, allowing you to replace filters in approximately 3 seconds. Follow these steps:
- Turn off the main water supply to the system.
- Relieve pressure by opening a nearby cold water faucet.
- Locate the 'UNLOCK' and 'LOCK' indicators on the filter housing.
- Rotate the filter cartridge to the 'UNLOCK' position and pull it down to remove.
- Insert the new filter cartridge, aligning it with the housing.
- Rotate the new filter cartridge to the 'LOCK' position until it clicks securely into place.
- Slowly turn on the main water supply and check for leaks.
- Flush the new filter by running water from a faucet for 5-10 minutes.
8. Troubleshooting
If you encounter issues with your ALTHY AL-WH200 system, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Water Leakage | Loose connections, improperly seated filter, damaged O-rings. | Turn off water supply. Check and tighten all connections. Ensure filters are correctly locked. Inspect and replace O-rings if damaged. |
| Reduced Water Flow | Clogged filters, air in the system, low incoming water pressure. | Replace filters if they are past their lifespan. Flush the system to remove air. Check household water pressure. |
| Unpleasant Taste/Odor | Expired filters, new filters not flushed adequately. | Replace filters according to schedule. Flush new filters for a longer period (15-20 minutes). |
| Cloudy Water (after filter change) | Air or carbon fines in the new filter. | This is normal. Continue flushing the system until water runs clear. |
If problems persist, contact ALTHY customer support for assistance.
9. User Tips
- Monitor Filter Life: Keep track of when you installed your PAC and ACB filters. Mark the replacement dates on a calendar or set reminders to ensure timely changes for optimal water quality.
- Initial Flush: Always perform a thorough flush after installing new filters or the system for the first time. This removes air and any loose carbon particles, ensuring clear, clean water from the start.
- Leak Checks: Periodically check all connections for any signs of leaks, especially after filter changes. Early detection can prevent potential water damage.
10. Warranty and Support
ALTHY products are manufactured to high-quality standards. For warranty information, technical support, or to purchase replacement parts, please refer to the contact information provided with your purchase or visit the official ALTHY website. Keep your proof of purchase for warranty claims.