Frigidaire FPPWFU01 PurePour PWF-1: How to Confirm It Is the Right Filter for Your Refrigerator Before You Order

Frigidaire makes five different filter technologies -- PurePour PWF-1, PureSource 2, PureSource 3, PureSource Ultra, and PureSource Ultra II -- and each fits a different set of models. TheΒ Frigidaire FPPWFU01 PurePour PWF-1 is one of the more straightforward filter codes to identify once the search is narrowed to the right system -- but buyers searching for a Frigidaire water filter without the specific part number regularly land on FPPWFU01, EPTWFU01, and ULTRAWF results side by side with no clear explanation of which one applies to their refrigerator. This post covers what the FPPWFU01 PurePour PWF-1 actually is, how it differs from the EPTWFU01 and ULTRAWF, how to confirm compatibility before ordering, and the most common mistakes buyers make when replacing it.

Why the FPPWFU01 Causes Confusion at Replacement Time

Three things drive most of the confusion around the Frigidaire FPPWFU01 PurePour PWF-1 water filter.

First, the technology name versus the part number. The technology name and part number both appear in listings, so buyers searching for PWF-1 and FPPWFU01 may not realize they are looking at the same filter. Buyers who search by PWF-1 sometimes think they are looking at a different product from the FPPWFU01. They are the same filter.

Second, the system name overlap. Frigidaire makes five different filter technologies -- PurePour PWF-1, PureSource 2, PureSource 3, PureSource Ultra, and PureSource Ultra II -- and each fits a different set of models. The PurePour name sounds similar enough to PureSource that buyers frequently assume filters across these systems are interchangeable. They are not.

Third, the shared NSF certifications. The FPPWFU01, EPTWFU01, and ULTRAWF all carry NSF 42, 53, and 401 certifications. Buyers who search by certification level rather than part number can land on any of the three without a clear signal which one their refrigerator actually needs. The FPPWFU01 and EPTWFU01 are not the same filter at all -- different filters for different refrigerator configurations.

Where to Find the FPPWFU01 Part Number Before Ordering

Confirming the correct filter code before ordering takes under two minutes. Here is where to look:

Step 1. Check the part number printed on the existing filter currently installed in the refrigerator. That number is the most reliable confirmation of which replacement the unit requires. The code -- FPPWFU01, PWF-1, EPTWFU01, ULTRAWF, or another -- is printed directly on the filter body.

Step 2. Check the installation mechanism. The FPPWFU01 uses a push-to-lock snap-in alignment guide design. Remove the filter by pushing on the end or face of the filter, then slide the old cartridge straight out of the housing. If the current filter twists out counterclockwise with a horizontal grip rotation, it is the EPTWFU01 rather than the FPPWFU01.

Step 3. If the label is unreadable, locate the refrigerator model number inside the fresh food compartment and cross-reference it against the FPPWFU01 compatibility list before ordering.

Step 4. Check the refrigerator Use and Care Guide. The correct filter part number is listed in the maintenance section for every Frigidaire refrigerator model.

What Is the Frigidaire FPPWFU01 PurePour PWF-1 Water Filter

The FPPWFU01 PurePour PWF-1 is the water filter for Frigidaire Gallery, Frigidaire Professional, and select Electrolux French door and side-by-side refrigerators manufactured from 2016 onward using the PurePour filtration system. It uses activated carbon block filtration with a 0.5 micron rating to reduce contaminants before they reach the dispenser or ice maker.

Key specifications confirmed through NSF certification data and Frigidaire documentation:

  • Certification: NSF 42, 53, and 401, WQA/ASPE/ANSI S 803, IAPMO certified
  • Contaminants reduced: Chlorine taste and odor, particulates Class I, cysts, lead, mercury, pesticides, insecticides, BPA, asbestos, and select trace compounds
  • Capacity: 125 gallons or 6 months, whichever comes first -- a lower gallon capacity than the EPTWFU01's 200 gallon rating
  • Installation type: Push-to-lock snap-in with alignment guide, tool-free
  • Also known as: PWF-1, PWF1, PWF01, FPPWFU01B, FPPWFUO1, EPPWFU01, FPPTWFU01, FFPWFU01, 4960476

The FPPWFU01 maintains essential minerals for a balanced and refreshing taste while removing harmful contaminants -- it removes what the water does not need while keeping what it does.

What Is the Frigidaire EPTWFU01 PureSource Ultra II Filter

The EPTWFU01 is the PureSource Ultra II water filter for a different range of Frigidaire and Electrolux French door and side-by-side refrigerators produced from 2015 onward. It uses a push-and-twist installation with a horizontal grip that rotates 90 degrees clockwise to lock -- a different mechanism from the push-to-lock alignment guide design of the FPPWFU01.

The EPTWFU01 is rated for 200 gallons or 6 months, giving it a higher gallon capacity than the FPPWFU01's 125 gallon rating. Both carry NSF 42, 53, and 401 certifications. The key difference is the filtration system -- PurePour for the FPPWFU01, PureSource Ultra II for the EPTWFU01 -- and the installation mechanism.

The FPPWFU01 and EPTWFU01 are not the same filter. They are different filters for different refrigerator configurations. Ordering the EPTWFU01 when the refrigerator uses the FPPWFU01 results in a filter that does not seat correctly in the PurePour housing.

What Is the Frigidaire ULTRAWF PureSource Ultra Filter

The ULTRAWF is the PureSource Ultra water filter for an earlier generation of Frigidaire Gallery and Professional models. Despite sharing the same NSF certification levels and service life, the FPPWFU01, WF3CB, and ULTRAWF have different housing designs and are not interchangeable. The ULTRAWF uses a push-and-click installation in the upper right corner of the fresh food compartment. It is rated for 200 gallons or 6 months.

The ULTRAWF and FPPWFU01 both fit Frigidaire Gallery and Professional models but across different system generations. Confirming which one the refrigerator uses requires checking the part number on the current filter -- not the refrigerator series name alone.

Is the FPPWFU01 the Same as the EPTWFU01

No. The FPPWFU01 PurePour PWF-1 and the EPTWFU01 PureSource Ultra II are not interchangeable. They have different housing designs. The FPPWFU01 vs EPTWFU01 difference comes down to the filtration system, installation mechanism, and gallon capacity. The FPPWFU01 is PurePour with a push-to-lock alignment guide at 125 gallons. The EPTWFU01 is PureSource Ultra II with a push-and-twist horizontal grip at 200 gallons.

Both filters fit Frigidaire Gallery and Professional models from roughly the same production era, which is why the confusion persists. The part number printed on the current filter is the only reliable way to confirm which system the refrigerator uses.

Compatibility Checklist Before Ordering the FPPWFU01

Before placing an order, confirm all of the following:

  • The current filter label shows FPPWFU01 or PWF-1 -- that confirms this is the correct replacement
  • The refrigerator model is on the FPPWFU01 compatibility list -- cross-check before ordering
  • The refrigerator is a Frigidaire Gallery or Professional series model -- the FPPWFU01 covers select models in these series
  • The current filter uses a push-to-lock alignment guide connection, not a twist-in design
  • The current filter does not show WF3CB or ULTRAWF -- if it does, those are the correct filters for that unit

If all five points check out, the FPPWFU01 is the confirmed correct replacement. If the current filter shows EPTWFU01, the EPTWFU01 product page covers the correct replacement for that system.

Common Mistakes When Ordering the FPPWFU01

  • Ordering the EPTWFU01 when the refrigerator uses the FPPWFU01.
     Both filters fit Frigidaire Gallery and Professional models and carry the same NSF certifications. The installation mechanism is the quickest way to tell them apart -- push-to-lock alignment guide for the FPPWFU01, push-and-twist horizontal grip for the EPTWFU01. Always confirm by checking the part number on the current filter.
  • Assuming the 125 gallon capacity is a defect.
     The FPPWFU01 is rated for 125 gallons or 6 months. Some buyers familiar with the EPTWFU01's 200 gallon capacity assume the lower rating indicates an inferior or defective product. It does not -- the 125 gallon rating reflects the PurePour system design, not a quality difference.
  • Not using the alignment guide during installation.
     Using the alignment guide, slide the new filter gently into the housing until it stops against the snap-in connector at the back of the housing. Skipping the alignment guide and forcing the filter straight in without aligning it first may prevent the snap-in connector from engaging correctly, resulting in poor sealing.
  • Skipping the flush after installation.
     Flush approximately 2 to 3 gallons of water through the new filter to purge air from the line and remove any loose carbon fines. Cloudy water or sputtering during the first few fills is normal and will clear up after flushing.
  • Forgetting to discard the first two batches of ice.
     After installing the FPPWFU01, discard the first two batches of ice from the ice maker before consuming. Carbon fines from the new filter can affect the first ice cycles even after the dispenser water has been flushed.
  • Not resetting the filter indicator light.
     The filter indicator does not reset automatically. Press and hold the Water Filter or Reset button on the Frigidaire control panel for approximately 3 seconds until the indicator light turns from red to green or blue. Skipping this step leaves the indicator red after a successful installation.

When to Replace or Order the FPPWFU01

Replace the Frigidaire FPPWFU01 PurePour PWF-1 water filter when any of the following apply:

  • 6 months have passed since the last replacement
  • The filter indicator light on the refrigerator panel has activated
  • Water develops a faint chlorine taste or flat odor
  • Dispenser flow has slowed noticeably below normal
  • Ice comes out cloudy or with an off smell
  • The refrigerator is used by four or more people daily and the last replacement was 4 months ago -- the 125 gallon limit may have been reached before the 6 month mark

The FPPWFU01 replacement schedule is 125 gallons or 6 months, whichever comes first. The lower gallon capacity means heavy-use households reach the gallon limit faster than they would with a 200 gallon filter. For households of four or more using the dispenser as the main water source, tracking gallon usage is more reliable than waiting for the indicator light.

Recommended Replacement

The Frigidaire FPPWFU01 PurePour PWF-1 water filter is available on the product page atΒ Refrigerators filters shop. Confirm the current filter label shows FPPWFU01 or PWF-1 before ordering. If the current label shows EPTWFU01, the EPTWFU01 product page covers the correct replacement for that system. If the label shows ULTRAWF, the ULTRAWF product page covers the correct replacement for the PureSource Ultra system. For households replacing both the water filter and PAULTRA2 air filter at the same time, the FPPWFU01 and PAULTRA2 combo kit is available at a lower combined price than ordering each separately.

FAQs

Is the FPPWFU01 the same filter as PWF-1?

Yes. The technology name and part number both appear in listings, but the FPPWFU01 and PWF-1 refer to the same replacement filter. Searches for either code lead to the same product. FPPWFU01 is the part number. PWF-1 is the filtration system technology name. Both confirm the same filter for the PurePour system.

Why does my FPPWFU01 filter seem to reach its limit faster than expected?

The FPPWFU01 is rated for 125 gallons -- lower than the 200 gallon capacity of the EPTWFU01 and ULTRAWF. Households of four or more using the dispenser as their main water source can reach 125 gallons in 3 to 4 months. The filter indicator may activate before the 6 month mark in these households. This is normal behavior for the PurePour system and not a sign of a defective filter.

Does the FPPWFU01 maintain minerals in the water?

Yes. The FPPWFU01 removes harmful contaminants while maintaining essential minerals for a balanced, refreshing taste. The activated carbon block filtration targets chlorine, lead, cysts, and other contaminants without stripping naturally occurring minerals from the water supply.

Can aftermarket FPPWFU01 replacements be used safely?

Aftermarket replacements are available at lower price points. The key specifications to verify are NSF 53 and NSF 401 certifications in addition to NSF 42. Some aftermarket alternatives carry NSF 42 only, which covers chlorine taste and odor reduction but not health-related contaminants like lead and cysts covered by NSF 53. Confirming the certification level before choosing an aftermarket FPPWFU01 alternative is worth doing for households with documented water quality concerns.

What is the difference between the FPPWFU01 and FPPWFU01B?

The FPPWFU01B is an updated variant of the same FPPWFU01 filter with a minor packaging or revision update. Both the FPPWFU01 and FPPWFU01B refer to the same physical filter cartridge and fit the same PurePour housing. Either part number confirms compatibility with the PurePour system.

Β 

Back to blog