Paying $50–$60 every six months for a Frigidaire water filter you didn’t sign up to keep buying adds up fast. A Frigidaire water filter bypass is the fix most owners never hear about from the manual. Here’s exactly how it works, what it saves you, and what a technician wants you to know before you try it.
Table of Contents
I. The Reality of the Filter Subscription
A genuine Frigidaire PureSource Ultra II water filter next to a small white plastic bypass plug.
Buying new filters for your fridge is like paying for a subscription you didn’t ask for. Frigidaire filters, like the PureSource Ultra II, usually cost between $50 and $60 each. Because you must replace them every six months, Because you must replace them every six months, that adds up to roughly $100 to $120 per year, or over $1,000 across ten years of ownership.
If your home already has a whole-house filter or a high-purity reverse osmosis (RO) system, the fridge filter is redundant. It provides no extra benefit and often slows down your water flow.
II. Two Ways to Bypass Your Filter
You cannot simply pull the filter out and leave the slot empty. In most Frigidaire models, including both the Gallery and Professional series, removing the filter will shut off the water supply to the dispenser and ice maker to prevent leaks.
1. The Bypass Plug (Manual): Most models require a small plastic dummy plug.
- Designed to fit part number A13402902 807946702, 4929174 and PS12718734 to ensures proper water flow without a filter an…
- Bypass Function Only. It not a Filter – This part can not filter, or reduce any contaminants. It simply bypasses the fil…
- Easy installation: Great choice to save money When Filtration Is Not Required – Ideal replacement when your water source…
- For PureSource Ultra II (EPTWFU01), you need part A13402902.
- FI could not verify this number. The A13402902 plug for PureSource Ultra II (EPTWFU01) is confirmed. Either verify 242294402 on a trusted parts site before publishing, or remove that line and say, “Check your manual for the correct plug for ULTRAWF models.”
👉 Frigidaire Refrigerator Ice Maker Not Working? New Troubleshooting Guide if your ice maker stops working after a filter change or bypass attempt, this covers the water line pressure fix.
A hand inserting a white plastic bypass plug into a Frigidaire refrigerator filter housing.
2. Auto-Bypass (Automatic): Some refrigerators have an auto-bypass design that keeps water flowing without a filter. Most Frigidaire models, including the Gallery and Professional series, still require a physical bypass plug, so check your manual first.

III. The Benefits: Why Skip the Filter?
- Huge Savings: A bypass plug is a small one-time purchase, which pays for itself in just a few months.
- Massive Pressure Boost: Clogged filters are the main reason for slow water flow. A clogged filter is one of the most common reasons for slow water flow, and removing that restriction often makes the dispenser noticeably faster.
- Better Ice Production: High water pressure helps the ice maker fill correctly, preventing small or hollow ice cubes.
IV. The Risks: What Your Technician Wants You to Know
Bypassing the filter removes the buffer that slows down water flow. This can lead to water hammer, a specific mechanical risk worth understanding, not just avoiding blindly.
The Danger: Without a filter in the line, the ice maker valve may see slightly higher or less cushioned water pressure each time it opens and closes. On homes with already high water pressure, this can add stress to the plastic inlet valve over time. If you notice water pooling or cooling dropping due to a leak, refer to 👉 [Frigidaire Gallery Not Cooling? 2026] to check for internal water damage.
The Pro Fix: After installing the bypass, check your water pressure. If the water blasts out too hard, If the water seems to blast out unusually hard after installing the bypass, check your home’s water pressure. Household pressure above the range in your fridge manual should be handled by a plumber, or by a pressure regulator on the main supply, not by partly closing the fridge valve. steady stream. You want firm pressure, not full-force line pressure hitting the valve unchecked.
A cracked plastic water inlet valve on the back of a refrigerator showing a slow drip.

V. Don’t Fall for the $15 Fake Filter Trap
It is tempting to buy cheap $15 filters online, but these are often dangerous counterfeits.
The Scary Truth: Counterfeit filters have repeatedly failed independent safety testing, and a filter that is not certified cannot be trusted to remove contaminants. Always check for NSF certification and buy from Amazon itself or the official Frigidaire store. To understand the difference between a real investment and a dangerous knock-off, see the guide that outlines the industry standards for spotting fakes.
- Includes EPTWFU01 water filter + PAULTRA2 air filter. Must match your current filter type exactly. NOT interchangeable w…
- Genuine Frigidaire replacement water and air filter. Different refrigerators use different filter systems. The wrong fil…
- The EPTWFU01 filter combo is compatible with select Frigidaire, Frigidaire Gallery and Frigidaire Professional refrigera…
Safe Move: Use a genuine bypass plug and install a high-quality external inline filter ($20–$40) on the water line behind the fridge for better safety and lower costs.
A split-screen showing the inside of a fake filter (rocks/dirt) vs. a real filter (carbon block).
- Advanced 6-Step Filtration Technology: Discover the impressive power of the Tastepure RV water filters’ Hex-Flow Technol…
- Certified Lead-Free: These camping water filters are independently tested & listed to standards NSF/ANSI 42 & NSF/ANSI 5…
- Access to Pure, Great-Tasting Water: Enjoy clean water anywhere! These RV inline filters reduce bad tastes, odor, chlori…

VI. Resetting the Filter Light
The Replace Filter light is just a timer; it does not know if your water is clean or if the filter is actually dirty. To reset it after bypassing:
- Standard Method: Press and hold the Filter Reset or Frigidaire Water Filter button for 3 to 15 seconds.
- Pro Tip: If you see an error code on your display, see our guide to Frigidaire fridge error codes. Don’t ignore them. 👉 [Frigidaire Fridge Error Codes] to clear any communication errors between your dispenser and the main board.
- Alternative: On some models, hold the Cube and Light buttons together for 5 seconds.
Post-Bypass Procedure: Purging the System
Once the bypass plug is installed, your water lines will be full of air. This air causes the dispenser to spit and drip.
The Fix: Run at least 2 gallons of water through the dispenser. This purges the air pockets. If you don’t do this, the trapped air will slowly push water out of the nozzle, making it look like your valve is leaking; a false alarm. Technicians get called out for more often than actual leaks.
A person is holding a large glass pitcher under a fridge water dispenser to purge air.

VII. Cost Comparison: Genuine Filters vs. Bypass Setup
| Genuine Filter Subscription | Bypass Plug + External Inline Filter | |
|---|---|---|
| Upfront cost | $0 | A small one-time purchase (plug) + $20–$40 (external filter) |
| Cost every 6 months | $50–$60 per filter | $0 (external filters typically last 6–12 months at similar or lower cost) |
| Estimated cost over 2 years | ~$200–$240 | ~$50–$117 one-time, plus occasional external filter swaps |
| Water flow speed | Slows as filter clogs | Full, unrestricted pressure |
| Risk profile | Low (no shockwave risk) | Requires pressure check to avoid water hammer |
VIII. Frigidaire water Filter Bypass: Frequently Asked Questions (FAQs)
1. Is water from an old filter worse than tap water?
Yes. An old filter acts like a dirty sponge and can become a breeding ground for bacteria and mold, so an overdue filter can be worse for your water than having no filter and a clean external line.
2. Will my fridge work if I just take the filter out?
Usually no. Most Frigidaire units will stop dispensing water entirely until you either put in a new filter or a bypass plug.
3. How can I tell if a filter is fake?
Fakes are usually much lighter than real filters. Look for blurry printing on the box or missing safety certification marks, such as NSF.
4. How do I maintain my water lines in bypass mode?
Technicians recommend flushing the lines once a year with white vinegar to dissolve mineral buildup and keep the water tasting fresh, since you no longer have a filter cartridge catching that sediment for you.
5. Does bypassing the filter void my Frigidaire warranty?
Check your Frigidaire warranty terms before bypassing a unit that is still covered. Using the correct genuine bypass plug is generally treated as a normal configuration, but coverage rules can vary by model and country, so confirm with Frigidaire support if you are unsure. since the filter is part of the documented water system. Mechanical or electrical coverage elsewhere in the fridge typically isn’t affected, but check your specific warranty terms before bypassing a unit still under coverage.
6. How much money will I actually save per year by bypassing?
Genuine filters run roughly $100–$120 per year (two replacements at $50–$60 each). A bypass plug plus an external inline filter brings that down to a one-time cost of $50–$117, with only occasional external filter swaps after that, saving $100+ in year one alone and more each year after.
7. Can I switch back to a real filter later without any problems?
Yes. Removing the bypass plug and reinserting a genuine filter restores normal filtered operation immediately; there’s no permanent modification to the fridge itself.
IX. Conclusion (Summary)
Bypassing your Frigidaire filter is a smart way to save over $100 every year. It dramatically speeds up your water dispenser and improves ice production. However, you must be careful about sediment and water hammer risk. The most professional solution is to use a bypass plug combined with a high-quality external filter installed behind the fridge. This protects your appliance while keeping your water clean and your costs low.
Check your fridge’s filter model, confirm the matching bypass plug part number in your manual, and make the switch with confidence.