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Water Filter for the Whirlpool WRF550CDHZ00 (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:
✓
WRF550CDHZ00 specifics — where the filter actually lives
On the WRF550CDHZ00, the cartridge top-left of the fresh-food compartment in most French-door layouts, away from the door bins, a deliberate placement that keeps the swap away from the door seals and drawer rails. It is a twist-lock bay: no tools, no housing removal, and the cartridge indexes in only one orientation despite looking symmetric.
The small print owners learn the hard way: the first removal takes more force than every later one, and skipping the reset leaves a change-light glaring at a perfectly fresh cartridge. Decode the plate and the parts question answers itself: Whirlpool uses it across the French-door bottom-freezer range, which means shared cartridge economics — one media family, dozens of cabinet variants, all drinking from the same parts catalog. Read the 00 ending as a revision marker — Whirlpool used it for running changes, none of which touched the EDR4RXD1 bay.
WRF vs WRS — what the prefix tells you
The WRF prefix sits next to WRS in the catalog and the split is cabinet mission: French-door bottom-freezer on the WRF side, side-by-side on the WRS side — the parts catalog runs the same cartridge across both. The constant across every trim of this machine is the cartridge line — the EDR4RXD1 cartridge family is what every fit listing for this chassis resolves to, OEM and certified alternative alike.
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.
WRF550CDHZ00 filter questions
How do I reset the filter light on the Whirlpool WRF550CDHZ00?
Hold the filter-reset control a few seconds after seating the new cartridge; placements vary by control panel, and the WRF550CDHZ00 manual’s filter-status page has the exact spot.
Whirlpool WRF550CDHZ00: bypass plug needed without a filter?
No — the EDR4RXD1 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 Whirlpool 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 WRF550CDHZ00?
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
More models using this filter
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