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Water Filter for the GE PSS27MGNABB (MWF)
✓ 100% compatible — no bypass plug needed
🔧 5-min push-in swap
🇺🇸 Ships from Indiana
Every cartridge that fits this model — pulled live from the catalogue:
✓
PSS27MGNABB specifics — where the filter actually lives
On the PSS27MGNABB, the cartridge in the lower fresh-food zone in most side-by-side layouts, knee height or below, a deliberate placement that keeps the swap away from the door seals and drawer rails. The seat is a twist-in design — align the ears, seat it, and rotate until the stop catches — a five-minute job start to finish.
The recurring owner notes: carbon fines in the first pours are normal for a fresh bed, and the filter timer only restarts when you hold the reset. Read the prefix and the maintenance writes itself: it places the machine in GE’s Profile side-by-side family, which pins down the cartridge line, the reset behavior, and the service documentation worth consulting. Finish letter sets like BB never alter the bay; the MWF line fits the whole set.
PSS vs GSS — what the prefix tells you
Two prefixes, two missions: PSS means Profile side-by-side, GSS means side-by-side. For filter shopping the distinction matters less than you would think — same line, different cabinet. the 27 cubic feet figure in the code is the household size proxy; larger households breach the rated gallons before the calendar does.
Swap it in 5 minutes
- Twist the old cartridge a quarter turn counterclockwise and pull it straight down — keep a towel in reach for the dribble.
- Fill the new cartridge with cold tap water so the chamber is not fighting an air pocket.
- Offer the new cartridge to the bay, push up, and twist a quarter turn clockwise until the stop catches.
- Run two gallons through the dispenser to flush carbon fines, then hold the filter-reset control until the status light clears.
What this filter takes out of your water
| What it targets | Standard that covers it |
|---|---|
| Chlorine taste & odor | NSF/ANSI 42 — aesthetic effects |
| Particulates, Class I | NSF/ANSI 42 — fine sediment |
| Lead | NSF/ANSI 53 — health effects |
| Cysts (cryptosporidium, giardia) | NSF/ANSI 53 — microbial |
| PFOA & PFOS | NSF/ANSI 53 (P473) — varies by cartridge |
Coverage above lists what the standard addresses, not a performance claim for any specific cartridge — removal claims vary by certificate, so check the NSF listing for the exact part number you are buying.
PSS27MGNABB filter questions
GE PSS27MGNABB: how do I clear the change-filter light?
Lock in the new cartridge first, then hold the reset control for a few seconds — the PSS27MGNABB manual documents the button for each panel variant.
Is a bypass plug required for the PSS27MGNABB when the cartridge is removed?
No — the MWF bay seals on the cartridge itself, so removing it just means unfiltered water until the next change, not a leak.
Are off-brand filters safe for a GE refrigerator?
Certified aftermarket cartridges are built to the same NSF test standards as the OEM part, and federal warranty law (Magnuson-Moss) protects your coverage when you use them.
Why is the OEM MWF cartridge so much more expensive?
Part of the OEM price is the badge and the distribution chain. Certified alternatives meet the same test standards at a lower unit price, especially in multi-packs.
How often should I replace the filter in my PSS27MGNABB?
Every six months or at the rated gallon capacity, whichever comes first — the MWF class cartridges all share that service interval.
Do I need to turn off the water supply to change it?
No — the bay is designed for a live swap. Expect a small dribble, keep a towel in reach, and flush a couple of gallons through the new cartridge before the first glass.
Every filter that fits your fridge
This bay takes the OEM MWF. ClearFit verified-fit alternatives for this exact slot are being staged — every compatible option for your fridge is one lookup away.
Check every filter that fits →This filter expires six months from today
Your HVAC filter is probably on a different cycle. Track them all in one place.
months until this filter should be replaced (200-gal rated life)
Free tool · tracks fridge + HVAC + whole-house · auto-refill optional
More models using this filter
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