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Aquasana F-300R 300,000 Gallon Whole House Water Filtration System 20-Inch Sediment Pre-Filter Replacement

What you need

  1. Aquasana F-300R 300,000 Gallon Whole House Water Filtration System 20-Inch Sediment Pre-Filter Replacement, 20-inch Sediment Pre-Filter: step 1, image 1 of 2 Aquasana F-300R 300,000 Gallon Whole House Water Filtration System 20-Inch Sediment Pre-Filter Replacement, 20-inch Sediment Pre-Filter: step 1, image 2 of 2
    • Turn off the water supply by turning the water valve(s) to be horizontal, or perpendicular to the water pipe.

    • You may have one or two valves depending on the installation of your system.

  2. Aquasana F-300R 300,000 Gallon Whole House Water Filtration System 20-Inch Sediment Pre-Filter Replacement: step 2, image 1 of 1
    • Press the black pressure release button on top of the filter housing.

    • Hold the button down for 5 seconds.

  3. Aquasana F-300R 300,000 Gallon Whole House Water Filtration System 20-Inch Sediment Pre-Filter Replacement: step 3, image 1 of 3 Aquasana F-300R 300,000 Gallon Whole House Water Filtration System 20-Inch Sediment Pre-Filter Replacement: step 3, image 2 of 3 Aquasana F-300R 300,000 Gallon Whole House Water Filtration System 20-Inch Sediment Pre-Filter Replacement: step 3, image 3 of 3
    • Unscrew the filter housing canister clockwise with a water filter housing wrench.

  4. Aquasana F-300R 300,000 Gallon Whole House Water Filtration System 20-Inch Sediment Pre-Filter Replacement: step 4, image 1 of 1
    • Remove the dirty pre-filter and dispose of it.

  5. Aquasana F-300R 300,000 Gallon Whole House Water Filtration System 20-Inch Sediment Pre-Filter Replacement: step 5, image 1 of 3 Aquasana F-300R 300,000 Gallon Whole House Water Filtration System 20-Inch Sediment Pre-Filter Replacement: step 5, image 2 of 3 Aquasana F-300R 300,000 Gallon Whole House Water Filtration System 20-Inch Sediment Pre-Filter Replacement: step 5, image 3 of 3
    • Wash the filter housing canister with dish soap and water.

    • You may need a long-handled cleaning brush to scrub off dirt and debris.

    • Rinse and dry the filter housing canister.

  6. Aquasana F-300R 300,000 Gallon Whole House Water Filtration System 20-Inch Sediment Pre-Filter Replacement: step 6, image 1 of 1
    • Remove the O-ring from the housing canister.

  7. Aquasana F-300R 300,000 Gallon Whole House Water Filtration System 20-Inch Sediment Pre-Filter Replacement: step 7, image 1 of 1
    • Clean off old grease on the O-ring with a towel.

  8. Aquasana F-300R 300,000 Gallon Whole House Water Filtration System 20-Inch Sediment Pre-Filter Replacement: step 8, image 1 of 2 Aquasana F-300R 300,000 Gallon Whole House Water Filtration System 20-Inch Sediment Pre-Filter Replacement: step 8, image 2 of 2
    • Replace the O-ring.

    • Apply Vaseline or lube around the seal.

  9. Aquasana F-300R 300,000 Gallon Whole House Water Filtration System 20-Inch Sediment Pre-Filter Replacement: step 9, image 1 of 2 Aquasana F-300R 300,000 Gallon Whole House Water Filtration System 20-Inch Sediment Pre-Filter Replacement: step 9, image 2 of 2
    • Place the new pre-filter in the center of the filter housing canister.

  10. Aquasana F-300R 300,000 Gallon Whole House Water Filtration System 20-Inch Sediment Pre-Filter Replacement: step 10, image 1 of 2 Aquasana F-300R 300,000 Gallon Whole House Water Filtration System 20-Inch Sediment Pre-Filter Replacement: step 10, image 2 of 2
    • Screw the filter housing canister counter-clockwise with your hands.

  11. Aquasana F-300R 300,000 Gallon Whole House Water Filtration System 20-Inch Sediment Pre-Filter Replacement: step 11, image 1 of 1
    • Tighten the filter housing canister with the filter wrench.

  12. Aquasana F-300R 300,000 Gallon Whole House Water Filtration System 20-Inch Sediment Pre-Filter Replacement: step 12, image 1 of 2 Aquasana F-300R 300,000 Gallon Whole House Water Filtration System 20-Inch Sediment Pre-Filter Replacement: step 12, image 2 of 2
    • Turn on the water supply by turning the water valve(s) to be vertical, or parallel to the water pipe.

  13. Aquasana F-300R 300,000 Gallon Whole House Water Filtration System 20-Inch Sediment Pre-Filter Replacement: step 13, image 1 of 1
    • Run water in a sink or tub for 1-2 minutes to flush out the system and remove any air in the pipes.

Conclusion

Repeat steps every 2-3 months for best results.

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