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Water Filter for the Frigidaire FFHB2740PS4 (ULTRAWF)
✓ 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:
✓
FFHB2740PS4 specifics — where the filter actually lives
The filter bay on the FFHB2740PS4 inside the fresh-food cavity, position varying with dispenser spec — usually a kneeling-height or shoulder-height swap, not a teardown. The seat is a twist-in design — look for the index lugs, offer the cartridge, and rotate until they disappear into the housing.
Before you click buy, two things: the reset control is the step everyone skips; the light will not acknowledge a new cartridge on its own. Under the cabinet differences one thing holds: the ULTRAWF cartridge family is what every fit listing for this chassis resolves to, OEM and certified alternative alike. The S4 tail marks finish variants of one chassis; the filter bay is shared across the entire finish range.
Reading the FFHB2740PS4 model code — what the digits tell you
The 27 cubic feet figure in the code is the household size proxy; larger households breach the rated gallons before the calendar does. Filter logic on this chassis: fit charts key on the ULTRAWF cartridge family rather than the door configuration, so trim differences never change the order.
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.
FFHB2740PS4 filter questions
Clearing the filter status light on a Frigidaire FFHB2740PS4?
Lock in the new cartridge first, then hold the reset control for a few seconds — the FFHB2740PS4 manual documents the button for each panel variant.
FFHB2740PS4 with no water filter installed — safe, or does it need a bypass?
No bypass needed: the ULTRAWF bay closes on its own, and running empty simply means the water skips filtration until you seat a new cartridge.
Are off-brand filters safe for a Frigidaire 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 ULTRAWF 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 FFHB2740PS4?
Every six months or at the rated gallon capacity, whichever comes first — the ULTRAWF 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 ULTRAWF. 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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