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Water Filter Cartridge Replacement

When to Change Your Water Filter Cartridges

Keep your water filtration system working at its full potential by changing your filters when needed. Dirty filters promote the growth of harmful bacteria and can lead to a drop in water pressure. Change your water filters on a scheduled basis (typically every 6 to 12 months) or when a noticeable water pressure drop is evident in the house.

How to Change Your Water Filter Cartridges

  1. Close the inlet and outlet valves.
  2. Hold down the red pressure relief button for 10 seconds to relieve pressure from unit.
  3. Using the provided filter wrench, unscrew the filter bowl, and empty the old filter cartridge. Attention: keep the O ring located on top of the filter bowl. You will need to re-use this.
  4. Insert your new cartridge. Make sure the O ring is in place (inside the groove) and screw the cartridge bowl back into the head. Note: If the O ring has expanded beyond the size of the groove, replace with a new O ring.
  5. Open the outlet valve.
  6. Slowly open the inlet valve, and press the red button to release air, until water flows from button.
  7. Open a faucet in the house to purge air from the new filter.

How to Purchase Water Filter Replacement Cartridges

Order your replacement cartridges in advance. Be sure to check your current filter for the correct brand, model, and size. If we installed your system we can tell you exactly which filters you will need. Most filters are available for same-day shipment or pick-up, or we can deliver and install them when our service truck is in your area. Many water filter cartridges are eligible for discounts when a case is ordered.

Use the Correct Filter Cartridge

It is important to use the correct filter cartridge with your water treatment system to ensure proper operation. If you want to try a different filter cartridge other than the one specified for your system, please discuss with us first to be sure the new cartridge will not impair the performance of your system and will fully address your water quality concerns. Filters which are more expensive typically last longer and perform better than less expensive "generic" versions of the same filters.

Contact us today for more information about purchasing or replacing your water treatment system filters.

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Northwest Water Treatment, Inc.
12627 SE 223rd Dr, Kent, WA 98031
Phone: (253) 630-7177 or (800) 377-7401 E-mail:

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Service Areas
Residential: western Washington including
Auburn, Bellevue, Black Diamond, Bonney Lake, Buckley, Burien, Carnation, Covington, Duvall,
Eatonville, Enumclaw, Fall City, Federal Way, Fife, Gig Harbor, Graham, Issaquah, Kent, Lake Tapps,
Maple Valley, Mercer Island, North Bend, Olympia, Orting, Puyallup, Redmond, Renton, Roy,
Sammamish, Seattle, Snoqualmie, Spanaway, Sumner, Tacoma, Vashon, and Wilkeson

Communities: rural western Washington,
Willamette Valley, Oregon, greater Anchorage and southeast Alaska

Commercial and Industrial: western Washington including
Bellevue, Everett, Olympia, Seattle, and Tacoma

Aquaculture: United States and British Columbia (BC), Canada

 

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