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Water Filter for the Kenmore KBFA20ERSS (EDR4RXD1)
✓ 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:
✓
KBFA20ERSS specifics — where the filter actually lives
Finding the bay is the easy part — this chassis puts it in the top third of the fresh-food compartment in most bottom-freezer builds, the same estate every bottom-freezer refrigerator in this family uses. Mechanically it is a quarter-turn twist-in seat: the bay wants the cartridge offered flat, rotated a quarter turn, and nothing more — hand pressure only.
Two quirks worth knowing before you order: a first removal that fights a set o-ring, and a status light that needs a manual hold-to-reset before it acknowledges the new cartridge. The badge reads KBFA20ERSS, but the chassis reads KBF: count on KBF to place this unit among bottom-freezer builds; that placement carries the water-path geometry with it. Trim code SS: cosmetic variants of one chassis, one cartridge family.
KBF vs KFI — what the prefix tells you
Prefix families here: KBF against KFI. Ordering by prefix works because KBF means bottom-freezer and KFI means French-door in this catalog — and the cartridge pool overlaps both. The KBFA20ERSS decodes to about 2005 to 2009 by catalog convention — close enough to bracket the cartridge generation, not close enough to certify.
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.
KBFA20ERSS filter questions
How to reset the water filter indicator: Kenmore KBFA20ERSS?
With the new cartridge seated, press and hold the filter reset until the light clears — panel placement differs, so the KBFA20ERSS manual’s filter section has the exact control for your trim.
Will the Kenmore KBFA20ERSS dispense water without a filter cartridge?
The bay self-seals: with no cartridge the KBFA20ERSS still dispenses, just unfiltered. No bypass plug exists for this line.
Are off-brand filters safe for a Kenmore 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 EDR4RXD1 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 KBFA20ERSS?
Every six months or at the rated gallon capacity, whichever comes first — the EDR4RXD1 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 EDR4RXD1. 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
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