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Water Filter for the Maytag MRFF4236RZ00 (EDR1RXD1)
✓ 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:
✓
MRFF4236RZ00 specifics — where the filter actually lives
Finding the bay is the easy part — this chassis puts it in the fresh-food compartment, placement dependent on the dispenser package, a spot that survives trim changes across the refrigerator run. It is a twist-lock bay: look for the index lugs, offer the cartridge, and rotate until they disappear into the housing.
The recurring owner notes: the reset control is the step everyone skips; the light will not acknowledge a new cartridge on its own. One more anchor for the parts search: the EDR1RXD1 media line; that is the anchor every compatible listing hangs from. Read the 00 ending as a revision marker — Maytag used it for running changes, none of which touched the EDR1RXD1 bay.
Reading the MRFF4236RZ00 model code — what the digits tell you
The MRFF4236RZ00 was built across 2024 on the official record, which brackets the cartridge generation you are shopping for. The model code varies with trim, but the parts logic does not: this generation runs on the EDR1RXD1 line across every cabinet variant.
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.
MRFF4236RZ00 filter questions
How do I reset the filter light on the Maytag MRFF4236RZ00?
Lock in the new cartridge first, then hold the reset control for a few seconds — the MRFF4236RZ00 manual documents the button for each panel variant.
Does the Maytag MRFF4236RZ00 need a bypass plug when the filter is out?
No — the EDR1RXD1 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 Maytag 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 EDR1RXD1 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 MRFF4236RZ00?
Every six months or at the rated gallon capacity, whichever comes first — the EDR1RXD1 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
| Cartridge | OEM EDR1RXD1 | RECOMMENDEDEDR1RXD1 Replacement Water Filter · 1-Pack – ClearFit | EDR1RXD1 Replacement Water Filter · Lead-Reduction · 1-Pack – ClearFit | EDR1RXD1 Replacement Water Filter · 3-Pack – ClearFit |
|---|---|---|---|---|
| Price | OEM list | $17.99 | $19.99 | $44.99 |
| Verified fit | ✓ the bay cartridge | View & buy → | View & buy → | View & buy → |
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
Related guides
POPULAR GUIDE
How to change a Whirlpool refrigerator water filter
Every Filter 1–6 bay location — including the door-mounted bays on WRX models, with door-open angles and cap-release quirks. — read the guide →
POPULAR GUIDE
How to reset your Whirlpool filter light
Filter 1–6 indicator maps showing which key actually clears the light on your panel. — read the guide →
WATER PROBLEM GUIDE
Does your fridge filter remove fluoride?
What EDR1RXD1-class carbon blocks actually take out — and the systems that do remove fluoride. — read the guide →