aquasana AQ-4035 Countertop Water Filter Owner’s Manual

Table of Contents

aquasana-AQ-4035-Countertop-Water-Filter-FIG-1

Specifications:

Model: AQ-4035
Type: Countertop Water Filter
Replacement Frequency: Every 6 months or 450 gallons of use
System Certification: Tested and certified by WQA to NSF/ANSI Standards 42, 53, and 401

Place the unit in the sink to catch excess water when replacing filters. Remove the threaded filter caps by turning in the direction of the arrows. To loosen, turn cap A to the right and cap B to the left.
Remove both filters and discard. While the system housing is open, inspect each o-ring for damage. If damaged, replace immediately. If misaligned, gently move the o-ring into place.
Unbox filter replacements and remove plastic. First, insert the A filter with the nipple-end first. Then, press and rotate to lock it in place. Install the B filter by inserting the nipple into the B cap.
Tighten both threaded filter caps by turning cap A to the left and cap B to the right.
Once both caps have been replaced, slowly turn on the cold water. With the system lying flat, flush the system for 10 minutes before drinking. During this time, check for leaks. Once the system is flushed and no leaks have been detected, return the system to the upright position.

Important Notes:

Do not drink flushed water.
Cartridges are inserted opposite of each other.
Do not use with water that is microbiologically unsafe or of unknown water quality without adequate disinfection before or after the system.
Tips:
To assist with A filter removal, you can use the old B filter to twist A and release it from the housing.

What is the recommended replacement frequency for the AQ-4035?
The recommended replacement frequency for the AQ-4035 is every 6 months or 450 gallons of use.
Can I use non-certified filters with the AQ-4035?
No, it is recommended to use only certified, genuine Aquasana replacement filters for continued contaminant removal and system performance.
How can I check for leaks during the flushing process?
While flushing the system for 10 minutes, closely inspect all connections and areas for any signs of leaks.

Place unit in sink when replacing ﬁlters to catch excess water. Remove the threaded ﬁlter caps by turning in the direction of the arrows. To loosen, turn “A” cap to the right and “B” cap to the left.
Remove both filters and discard. While the system housing is open, inspect each o-ring for damage. If damaged, replace immediately. If misaligned, gently move the o-ring into place.
Unbox filter replacements and remove plastic. First, insert the “A” ﬁlter with the nipple-end ﬁrst. Then, press and rotate to lock in place. Install the “B” ﬁlter by inserting the nipple into the “B” cap.
Tighten both threaded filter caps by turning cap “A” to the left and cap “B” to the right.

aquasana-AQ-4035-Countertop-Water-Filter-FIG-2

Once both caps have been replaced, slowly turn on the cold water. With the system lying ﬂat, ﬂush system for 10 minutes before drinking. During this time, check for leaks. Once system is ﬂushed and no leaks have been detected, return system to the upright position.
- NOTE: Do not drink ﬂushed water.
- NOTE: Cartridges are inserted opposite of each other.
- NOTE: Do not use with water that is microbiologically unsafe or of unknown water quality without adequate disinfection before or after the system.
  TIP: To assist with “A” ﬁlter removal, you can use use the old “B” ﬁlter to twist “A” to release it from the housing.

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FOR MORE INFO

CONTACT US TO LEARN MORE 866-662-6885
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For the full list of contaminants ﬁltered, scan to view the Performance Data Sheet on Aquasana.com.