AQUA CREST AQU-WF55

AQUACREST AQU-WF55 Water Filter Instruction Manual

Model: AQU-WF55

Brand: AQUA CREST

1. Introduction

The AQUACREST AQU-WF55 water filter is designed to provide high-efficiency filtration for your drinking water. This filter reduces chlorine, taste, odor, heavy metals, sediment, and rust, ensuring a clean and refreshing water experience. It is constructed with food-grade plastic housing to prevent impurities from leaching into your water and is designed for a stable flow rate without significant pressure drops.

AQUACREST AQU-WF55 water filter showing product upgrade from AQU-9601

Image 1.1: The AQUACREST AQU-WF55 filter, an upgraded model from AQU-9601.

Diagram showing multi-layer filtration process

Image 1.2: Illustration of the multi-layer filtration technology used in the filter.

2. Compatibility

The AQUACREST AQU-WF55 filter is designed as a replacement for various Moen ChoiceFlo models and series. It is compatible with:

  • Moen 9601 ChoiceFlo, 9600, 9602, 9500, 9502
  • Moen Chateau, Sip, and AquaSuite series faucets
  • Moen faucet series: F87400, F7400, F87200, 77200, CAF87254, S5500

Note: This filter is not sourced by or sponsored by Moen.

Comparison of AQUACREST AQU-WF55 and AQU-9001 filter sizes

Image 2.1: Ensure you select the correct model. The AQU-WF55 (left) is 11 inches tall, while the AQU-9001 (right) is 14.86 inches tall.

3. Setup (Installation)

Follow these general steps for installing your AQUACREST AQU-WF55 water filter. Always refer to your faucet's specific instructions for detailed guidance.

  1. Turn off Water Supply: Locate the cold water shut-off valve under your sink and turn it off.
  2. Depressurize: Open the filtered water faucet to release any remaining pressure in the line.
  3. Remove Old Filter: Twist the old filter counter-clockwise to unlock it, then pull it down to remove. Be prepared for a small amount of water to drip.
  4. Prepare New Filter: Remove any protective caps from the new AQUACREST AQU-WF55 filter.
  5. Install New Filter: Align the new filter with the filter head. Push it up and twist clockwise until it locks securely into place. Ensure it is connected to the cold water valve only.
  6. Restore Water Supply: Slowly turn on the cold water shut-off valve.
  7. Flush the Filter: Run water through the filtered water faucet for several minutes (e.g., 5-10 minutes) to flush out air and carbon fines. This is crucial for optimal performance.
  8. Check for Leaks: Inspect the filter connection for any leaks.
Close-up of the AQUACREST AQU-WF55 filter connection point

Image 3.1: Detail of the filter's top connection, designed for secure installation.

4. Operating Instructions

Once installed and flushed, your AQUACREST AQU-WF55 filter is ready for use. The filter provides a stable flow rate, ensuring that you receive filtered water without noticeable pressure drops. The high-efficiency filtration system works continuously to reduce impurities as water passes through.

Woman washing vegetables under a faucet with filtered water

Image 4.1: Enjoy stable and efficient water flow for various kitchen tasks.

The filter uses premium coconut carbon block for effective reduction of chlorine, taste, and odor, providing a clean and pure taste to your water.

Glass of water being filled, illustrating high-efficiency filtration

Image 4.2: The filter provides up to 98% chlorine reduction, along with taste, odor, and sediment reduction.

The filter's materials are food-grade, BPA-free, and lead-free, ensuring the safety of your drinking water.

Baby drinking from a bottle, with icons for food-grade, BPA-free, and lead-free

Image 4.3: The AQUACREST AQU-WF55 filter is made from safe, food-grade materials.

5. Maintenance

For optimal performance and continued water quality, it is essential to replace your AQUACREST AQU-WF55 water filter regularly.

  • Replacement Schedule: Replace your filter every 6 months or after filtering 750 gallons of water, whichever comes first.
  • Water Quality Variation: The actual lifespan of the filter may vary based on your local water quality and usage.
Icon indicating a 6-month replacement cycle

Image 5.1: Recommended filter replacement every 6 months for best results.

6. Troubleshooting

If you encounter issues with your AQUACREST AQU-WF55 water filter, consider the following common troubleshooting steps:

  • No Water Flow or Slow Flow:
    • Ensure the water supply valve is fully open.
    • Check if the filter is correctly seated and twisted clockwise until it locks. Improper alignment can prevent water flow.
    • If the filter is old, it might be clogged. Replace the filter if it's past its recommended lifespan.
    • Ensure the filter is connected to the cold water line only.
  • Leaks Around the Filter Head:
    • Turn off the water supply immediately.
    • Remove the filter and inspect the O-rings for any damage or misalignment.
    • Reinstall the filter, ensuring it is pushed up firmly and twisted securely into place. Do not overtighten.
    • Check the filter head for any cracks or damage.
  • Unpleasant Taste or Odor:
    • Ensure the filter was flushed for the recommended duration after installation.
    • If the filter is old, it may have reached the end of its effective life. Replace the filter.
    • Verify that the filter is genuine AQUACREST to ensure quality.

If problems persist after attempting these steps, please contact AQUA CREST customer support.

7. Specifications

FeatureDetail
Model NumberAQU-WF55
MaterialCoconut Carbon, Plastic
Product Dimensions (D x W x H)3.39" x 3.39" x 11.18"
Item Weight2.6 Pounds
External Testing CertificationTested by third-party laboratory against NSF/ANSI 42 standard (for chlorine, taste, odor reduction)
Product BenefitsReduces Chlorine, taste, odor, heavy metals, sediment, rust. Does not reduce TDS.
Replacement FrequencyEvery 6 months or 750 gallons (whichever comes first)
UPC840814135037, 840814155080
Included ComponentsAQUACREST Undersink Water Filter Replacement, User's manual

8. Warranty & Support

Manufacturer's Warranty

The AQUACREST AQU-WF55 water filter comes with a 1 Year Manufacturer Warranty. Please retain your proof of purchase for warranty claims.

Customer Support

For any questions, technical assistance, or warranty inquiries, please contact AQUA CREST customer support. You can find more information and contact details on the official AQUA CREST website or through your retailer.

Visit the AQUA CREST Store for additional products and support.

© 2026 AQUA CREST. All rights reserved.

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