Skip to content
RESEARCH-BASED GUIDES. PRACTICAL EVERYDAY ADVICE.How we pick products
AFAir Fryer Kitchen SupplyYour everyday air fryer companion
Kitchen Appliances

Refrigerator Water Filter Basics: Types, Changing and Fit

Learn the basics of refrigerator water filters: where they sit, how to match a replacement, how to change one and when to call a licensed plumber.

We may earn a commission from qualifying purchases. How we pick products

Refrigerator Water Filter Basics: Types, Changing and Fit

A refrigerator water filter sits in the water line that feeds the dispenser and ice maker, and it needs replacing on a schedule set by the maker. Matching the right replacement is mostly about the model number and the connection style. Plumbing problems behind the fridge should go to a licensed professional.

Where the Filter Lives

Common spots are inside the fridge near the top corner, in the base grille at the front, or on the back wall. The manual shows the exact location. A small indicator light on some models reminds you when the time has come.

Matching a Replacement

  • Find the fridge model number on the inside wall
  • Find the filter part number printed on the old one
  • Note the connection style: push-in, twist, or quarter-turn
  • Check the maker’s guide before buying a different brand of filter

A look-alike filter that does not seal can leak, so fit matters.

Changing It Step by Step

  1. Read the manual’s filter section.
  2. Place a towel under the filter area.
  3. Turn or release the old filter as shown and pull it out straight.
  4. Remove any packaging from the new filter and note the o-ring.
  5. Insert it, turn until it locks and check for gaps.
  6. Run water through the dispenser for the time the guide suggests to flush the new filter.
  7. Reset the indicator if there is one.
  8. Watch for drips over the next day.

Timing and Signs

Sign What it can mean What to check
Slow water flow Filter is full Replace per schedule
Odd taste or smell Time for a change Flush the new filter
Leak Poor seal Re-seat or call a pro

Keep a spare filter in the pantry so the change is never delayed. Write the next change date on a sticky note near the fridge, and keep the packaging, which usually holds the part number and fitting notes. Throw away used filters as the maker advises. If the dispenser still seems slow after a change, check that the water supply valve is fully open, but leave any work on pipes to a licensed plumber.

Also remember that ice from the dispenser passes through the same filter in many models. After a change, discard the first batch of ice as the manual suggests. If you are away for a long stretch, check the guide for what to do before leaving, such as shutting off the water supply.

FAQ

Can I run the dispenser without a filter?

Many models offer a bypass plug. Check the manual for how yours handles this.

Who should fix a leak behind the fridge?

A licensed plumber, following the manufacturer’s instructions.

The Short Version

Know where your filter is, match the part number, change it on schedule and flush it. Call a licensed professional for plumbing faults.