Turn off the water supply before you remove the old filter

The first step is to locate the water shut-off valve behind or underneath your refrigerator. This valve controls the water line that feeds your fridge's ice maker and water dispenser. Turn the valve clockwise until it stops — you should feel resistance, but do not force it. If you cannot find a valve behind the fridge, check under the sink in the cabinet directly behind where the fridge sits; the valve may be there instead.

Once the valve is closed, dispense water from your fridge's water dispenser for about 10 seconds to release any pressure in the line. This step matters because it prevents water from spraying out when you remove the old filter. If no water comes out, the valve is working correctly.

Locate and remove your current filter

Water filters sit in different places depending on your refrigerator model. The most common location is inside the fridge, usually in the upper right corner or along the top edge of the interior. Some models have the filter in the lower right corner. A few brands — including some GE and Whirlpool models — place the filter in a housing unit underneath the fridge or in the kickplate at the bottom front.

Check your refrigerator's manual or the manufacturer's website if you cannot spot it. Once you find the filter, look for a release button or a twist-counterclockwise arrow printed on the housing. Press the button or turn the filter counterclockwise by hand until it stops and slides out. Have a towel ready; a small amount of water may drip from the connection point.

Key Takeaways

  • Always shut off the water supply valve behind or under your refrigerator before removing the old filter to prevent water from spraying.
  • Filter location varies by model — check inside the fridge first, then the bottom kickplate or under the unit if you do not find it inside.
  • Most filters either press in with a quarter-turn twist or slide straight in after you press a release button; your manual will confirm which type yours is.
  • New filters must match your refrigerator's model number exactly, and you should replace them every six months or when water flow slows down.
  • Turn the water back on slowly and run water for 30 seconds before using it to flush air from the new filter.

Install the new filter and match the model number

Before you open the new filter package, write down your refrigerator's model number. You can find it on a sticker inside the fridge, usually on the side wall or back wall, or in your owner's manual. Take this number to a hardware store or search it online to confirm you have the correct replacement filter. Using the wrong filter can result in poor water quality or a filter that does not fit.

Remove the new filter from its packaging and check the rubber seals on both ends. They should be intact and not cracked or dried out. If the seals look damaged, do not use the filter — return it and request a replacement. Align the filter with the housing opening and push it in straight, then twist clockwise until you hear or feel a click. If your model uses a press-fit filter, push it in firmly until the release button clicks into place.

Turn the water back on and check for leaks

Slowly turn the water shut-off valve counterclockwise to restore water flow. Turn it gently — you do not need to force it all the way open. Wait a few seconds for water to reach the filter, then dispense water from your fridge's water dispenser for about 30 seconds. This flushes air out of the new filter and removes any carbon dust from the manufacturing process. The water may look slightly gray or cloudy during this time; this is normal and will clear after a few more seconds of flow.

Check the area where the filter connects to the housing for any drips or leaks. If water is dripping, turn off the valve, remove the filter, and reinstall it, making sure it is seated all the way in. If leaking continues after reinstalling, the filter housing itself may be cracked and you may need to contact the refrigerator manufacturer or a repair service.

Set a replacement reminder for six months

Most refrigerator filters are designed to last six months under normal use, though this varies based on your water quality and how much water you dispense. If your area has hard water or high sediment levels, you may need to replace the filter sooner. Some refrigerators have a filter indicator light on the control panel that turns on when replacement is due; check your manual to see if yours has this feature.

Write the installation date on the filter housing itself with a permanent marker, or set a phone reminder for six months from today. Replacing the filter on schedule keeps your water tasting fresh and protects your refrigerator's internal components from sediment buildup.

Dispose of the old filter responsibly

Do not throw the old filter in the trash if your area has a recycling program for water filters. Many hardware stores that sell filters, including Home Depot and Lowe's, accept used filters for recycling at their customer service desk. Some water filter manufacturers also run mail-back programs where you can send the old filter to them for disposal.

If no recycling option is available in your area, wrap the old filter in a plastic bag before placing it in the trash to prevent any remaining water from leaking. Check your city or county's waste management website to see if they offer a hazardous waste collection day where water filters can be dropped off.

Frequently Asked Questions

What happens if I forget to turn off the water before removing the filter?

Water will spray out of the connection point, potentially damaging your refrigerator's interior or the surrounding floor. If this happens, turn off the valve immediately, dry the area thoroughly, and check that no water has pooled inside the fridge or in the compartments below. Most modern refrigerators can handle brief water exposure, but standing water can cause mold or electrical issues over time.

Can I use a filter from a different brand than my refrigerator?

No. Filters must match your refrigerator's model number exactly. Using a different brand or model may result in a filter that does not fit, poor water quality, or damage to the water line connection. Always verify the model number before purchasing a replacement.

How do I know if my filter needs replacing before six months?

Water flow from the dispenser will slow down noticeably, or the water may taste or smell different than usual. If either happens, replace the filter even if six months have not passed. Hard water and high sediment levels can clog filters faster than the standard timeline.

Is it normal for water to look cloudy after installing a new filter?

Yes. Cloudy or gray water in the first 30 seconds after installation is usually air bubbles or carbon dust from the filter manufacturing process. Continue running water for another 30 seconds and the cloudiness should clear. If the water remains discolored after one minute, turn off the valve and reinstall the filter to make sure it is seated properly.

What if water is leaking from the filter connection after installation?

Turn off the water valve, remove the filter, and check that the rubber seals are clean and not damaged. Reinstall the filter, pushing it in firmly until you hear a click. If leaking continues, the filter housing may be cracked. Contact your refrigerator's manufacturer or a repair service for assistance.