Frigidaire GRSS2652AF Water Filter Replacement Guide
Quick Answer
The water filter traps contaminants and improves the taste of your ice and water. If your dispenser flow is slow or the water tastes metallic, the filter is likely clogged and needs to be swapped out.
Neglecting your Frigidaire water filter leads to more than just bad-tasting ice. Over time, a clogged filter creates back-pressure that can damage the plastic water inlet valve, leading to expensive leaks behind the fridge. Honestly, I've seen a $15 filter neglect turn into a $300+ repair bill. This takes less than two minutes, and doing it yourself saves you the cost of a technician visit for what's essentially a plug-and-play part.
Small towel or rag, Large pitcher or measuring cup for flushing
What Does the EPTWFU01 Code Mean?
Most filters last about six months, but if you live in an area with heavy sediment, you might need to change it sooner. I always tell my customers to keep an eye on the dispenser flow. When that glass takes longer to fill, your filter's telling you it's time for a fresh EPTWFU01 cartridge. And honestly, at around $40-50 for an OEM filter, it's one of the cheaper maintenance items you'll deal with.
Most Likely Causes
Based on aggregated repair data, here is the probability breakdown for this error code:
Standard usage expiration (6 months)75%
High sediment in local water supply15%
Air lock or installation error10%
Symptoms You May Notice
Water dispenser flow is noticeably slower than usual
Ice cubes are smaller than normal or hollow
The Replace Filter light on the door is red
Water has a chlorine or chemical taste
Black specks appearing in the water glass
Can you reset a Frigidaire refrigerator to clear the EPTWFU01 code?
After installing the new filter, press and hold the 'Water Filter' button on the door panel for 3 seconds until the indicator light turns from red to green. On some GRSS2652AF models it might be labeled 'Filter Reset' instead. If the light doesn't change, try unplugging the fridge for 30 seconds, plugging it back in, and repeating the hold. That usually does it.
Tools Required for Diagnosis
Small towel or ragLarge pitcher or measuring cup for flushingReplacement EPTWFU01 PureSource Ultra II filter
Diagnostic Checklist
Follow these steps in order. We start with the easiest external fixes before opening up the machine.
Replacement Parts
If your diagnostic testing proves the component has failed, you will need a replacement. We recommend OEM parts over aftermarket for water-handling components.
Part Name
OEM Number
Estimated Price
PureSource Ultra II Water FilterEPTWFU01 · $45–$55
EPTWFU01
$45 – $55
Frequently Asked Questions
Does this filter remove lead?
Yes, the EPTWFU01 PureSource Ultra II is NSF certified to reduce lead, along with a bunch of other stuff you don't want in your water, like pesticides, pharmaceuticals, and cysts. NSF 42 and NSF 53 certifications are what you're looking for on any filter you buy. The OEM Frigidaire filter has both. Some cheap generics claim certification but aren't actually tested the same way, so be careful there.
Why is my water cloudy after changing the filter?
That's just air bubbles. Totally normal. Let the glass sit for a minute and you'll watch it clear from the bottom up, which is actually kind of satisfying. Flushing two full gallons through the dispenser before you drink it usually takes care of it completely. If it's still cloudy after two gallons, make sure the filter is fully clicked in and seated right.
Can I use a generic filter for my GRSS2652AF?
You can, but I'd be careful. I've seen a lot of generic filters that leak at the O-ring connection or don't trigger the internal flow valve properly, which means you get either no water or water that bypasses the filter entirely. The OEM Frigidaire EPTWFU01 runs about $40-50 and you know it's going to fit and seal correctly. That said, brands like Waterdrop make compatible filters with decent track records if you want to save a few bucks.
What if the filter won't stay clicked in?
Usually it's either dry O-rings or the filter isn't perfectly aligned before you push. Pull it out, wet those O-rings with a little water, make sure the alignment tabs are matched up, then push it in with a quick firm motion instead of a slow push. The quick push actually seats it better. If it still won't click, check that nothing is stuck in the housing that's blocking it from going all the way back.
How do I know if my water filter is actually working?
Honestly the best tell is your flow rate. A good filter fills a glass in about 8-10 seconds. If it's taking 20+ seconds, the filter's clogged and not filtering efficiently anymore. You can also grab inexpensive water test strips online for about $10 to check lead and chlorine levels before and after the filter. That'll tell you pretty definitively whether it's doing its job.
The filter light reset but came back on after a few days. What's going on?
First, make sure you held the reset button a full 3 seconds. Also check that the filter clicked in all the way, because some models won't register a new filter unless it's fully seated. If neither of those is the issue, there might be a glitch in the door panel control board. That one usually needs a service call to sort out properly.
Models Known to Experience EPTWFU01 Errors
This repair applies to most Frigidaire refrigerators with this error code. Common model numbers include: