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Water Filter for the GE PSS27NGMBAA (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:
✓
PSS27NGMBAA specifics — where the filter actually lives
The filter bay on the PSS27NGMBAA at the base of the fresh-food compartment in most side-by-side builds — grille or lower rear, a spot that survives trim changes across the PSS run. The seat is a twist-in design — offer the cartridge, feel the base o-ring register, and lock it by geometry rather than by force.
The recurring owner notes: expect dribble at the bay on removal even with the supply off, and remember the indicator will not self-clear — hold the reset control. The PSS prefix is the tell: PSS machines come from the Profile side-by-side program, and GE’s parts system rewards you for knowing it: one cartridge family covers the run. Trailing letters like AA denote trim and finish: stainless, panel-ready, handle variants. The water path is identical across them.
PSS vs GSS — what the prefix tells you
The PSS prefix sits next to GSS in the catalog and the split is cabinet mission: Chassis first: Profile side-by-side (PSS) versus side-by-side (GSS). The shared cartridge line covers both without adaptation. the 27 cubic feet in the code is the size class; households that size move enough water that the six-month interval is worth honoring.
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.
PSS27NGMBAA filter questions
How do I reset the filter light on the GE PSS27NGMBAA?
Lock in the new cartridge first, then hold the reset control for a few seconds — the PSS27NGMBAA manual documents the button for each panel variant.
GE PSS27NGMBAA: bypass plug needed without a filter?
No — run it empty if you like; the MWF bay needs no bypass plug, it simply passes water through untreated.
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 PSS27NGMBAA?
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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