Captain O-Ring Replacement O-Rings for GE Water Filters
Product Overview
If you’re looking to maintain or repair your GE water filter housings like the GXWH20F, GXWH20T, or GXRM10RBL, the Captain O-Ring replacement set is made for you. This pack includes six O-rings in two sizes to fit various compatible models, ensuring a reliable seal to prevent leaks. Made from NSF 61 certified buna-n rubber, these O-rings help keep your drinking water clean and safe. Plus, they’re proudly assembled in the USA, adding peace of mind about quality control.

Captain O-Ring Replacement O-Rings for GE Water Filters
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Key Takeaways
- Compatible with numerous GE water filter housings, including models GXWH20F, GXWH20T, and GXRM10RBL.
- Comes with two different O-ring sizes to ensure you get the perfect fit.
- Uses NSF 61 certified buna-n rubber that is safe for drinking water.
- Some users find installation requires careful alignment for perfect sealing.
- Package contains three sets of O-rings, giving you extras when replacements are needed.
Why You Might Need Captain O-Ring Replacement O-Rings
If you’ve noticed leaks or poor sealing from your GE water filter housing, worn-out O-rings are often the culprit. These small rubber rings create the seal that stops water from escaping the filter system. Over time, they dry out, crack, or compress, making you vulnerable to leaks or system failures. Your goal is to secure your water filter housing quickly and reliably, without fiddling with ill-fitting or cheap replacements. With Captain O-Ring sets designed specifically for GE models, you can restore the seal’s integrity, improving your water filtration system’s reliability.
First Impressions: What to Expect
When you receive the Captain O-Ring sets, you’ll first appreciate the neat packaging and clear labeling of the two different O-ring sizes. The O-rings feel sturdy with the right amount of flexibility — the hallmark of buna-n rubber. Each ring is evenly molded without obvious defects or thin spots. The package includes six rings in total: three of each size. This coverage means you can replace rings as needed for multiple maintenance cycles or cover slight variations in filter housing models. So, right out of the box, the Captain O-Rings suggest a quality option for anyone working on compatible GE water filter housings.
Specs at a Glance
Feature | Details |
---|---|
Part Number | UCRING / WS03X10038 |
Compatibility | GE GXWH04F, GXWH20F, GXWH20S, GXWH20T, GXRM10, GX1S01R, and more |
Package Contents | 3 sets, total 6 O-rings (two sizes: 3 of each) |
Size 1 (ID x OD x Thick) | 3.30” x 3.54” x 0.12” |
Size 2 (ID x OD x Thick) | 3.36” x 3.64” x 0.14” |
Material | NSF 61 certified buna-n rubber |
Manufacture | Assembled and warranted by Captain O-Ring LLC, USA |

Captain O-Ring Replacement Package with Two Sizes
Design & Build Quality
Captain O-Ring pays attention to the details that matter most when it comes to replacement O-rings. These parts have to be durable, flexible, and precisely sized to create a perfect seal that lasts. The use of buna-n rubber certified by NSF 61 means these rings meet safety standards for contact with drinking water. This certification alone gives you confidence in the material quality.
One user noted in reviews, “The o-rings fit perfectly in my GE housing, and the material feels like it will last.” This feedback supports the claim of a reliable fit and long-lasting material.
Both sizes provided in the package reflect an understanding that GE uses slight variations for different filter housings and even sub-models. You get the flexibility to match the exact size needed for your house’s system without guesswork. The rings are thick enough to create a firm seal but not so bulky that they’re hard to install or prone to pinching.
Overall, the design is straightforward but effective, focused entirely on performing the core task of sealing your water filter housing to prevent leaks and maintain clean water flow.
Real-World Performance
In everyday use, the Captain O-Rings prove their worth by eliminating dripping issues caused by worn-out seals. One homeowner shared that after installing these O-rings, their previously leaky GE GXWH20T water filter housing was fully sealed, restoring peace of mind. Installation was straightforward: you just need to ensure the grooves are clean before placing the O-ring, then gently press it into place.
Their flexibility makes installation easy but snug. These rings don’t slip out of place during assembly, helping you avoid frustrating repeated tries. Because you get multiple pairs, you can replace the O-ring when you remember signs of wear, avoiding unexpected leaks down the road.
The Buna-N rubber also resists cracking and drying, common issues that shorten the lifespan of O-rings in water filters. This durability reduces the need for frequent replacements, making maintenance smoother for your home water system.

Installing Captain O-Ring Replacement O-Rings
What Makes It Stand Out?
When compared to some generic replacement O-rings on the market, Captain O-Ring sets shine by covering two sizes in one package. This approach reduces confusion if your filter housing model has slight variations.
In contrast, competitors often sell one size per pack, requiring you to measure or risk buying the wrong size. This versatility makes the Captain brand practical and user-friendly.
Also, many generic O-ring alternatives may not carry NSF certifications, which matter for water treatment applications to assure safety. Captain O-Rings use buna-n rubber with NSF 61 certification, guaranteeing compliance with water safety standards.
Another advantage is the brand’s commitment to quality by assembling the product in the USA. This adds layers of quality control and customer support reliability compared to overseas-only production brands.
While some premium brands may offer more extensive warranties or specialized compounds, for standard GE water filter housings, Captain O-Rings provide a robust combination of compatibility, safety, and practicality.
Strengths vs. Trade-Offs
✅ Strengths | ❌ Trade-Offs |
---|---|
Compatible with many GE water filter models | Installation requires care to avoid pinching |
Two O-ring sizes in one package cover model variations | Slight size difference may confuse first-time users |
Made from NSF 61 certified, safe buna-n rubber | Only covers specific GE models, not universal |
Proudly assembled and warranted by Captain O-Ring LLC | No extra lubricant included for installation |
Comes with multiple sets for long-term maintenance | Bulk packaging might be more than needed for some |

Quality Captain O-Rings Ready for Replacement
Who Is It For?
This replacement O-ring set is ideal if you own a water filtration system with GE filter housings, especially the common GXWH20F, GXWH20T, or GXRM10RBL models. Homeowners who have noticed leaks or feel the need to refresh their system’s seals will find these O-rings a perfect match.
Maintenance professionals servicing residential water filters also benefit from having these durable, certified O-rings on hand since one pack fits several popular GE models and sub-variations.
If you want a convenient replacement that covers different size possibilities without added guesswork, this pack is designed for you. However, if you own a less common brand or model outside the listed compatibility, you might need to verify fit first.
Expert Advice to Maximize Results
To get the most from your Captain O-Ring replacements, start by thoroughly cleaning the filter housing groove with a lint-free cloth before installing the new rings. Dirt or old sealant remnants can compromise the seal.
Lubricate the new O-rings slightly with a food-safe silicone grease if possible. This helps prevent pinching during installation and eases future replacements. Make sure to align the ring properly into its groove rather than stretching it excessively.
Also, replace O-rings on a regular schedule before they show visible damage. Doing this preventative maintenance can save headaches from leaks or water damage.
If you have multiple filter housings, labeling the O-ring sizes can speed up future maintenance jobs.

New Captain O-Rings with Lubricant Ready for Installation
FAQ
Q: Are these O-rings compatible with all GE water filter housings?
A: They fit many common GE models like GXWH20F, GXWH20T, GXRM10RBL, and others that specify part number UCRING or WS03X10038. However, check your model number carefully to ensure compatibility.
Q: How do I know which size O-ring to use?
A: The package includes two sizes. Inspect your existing O-ring or measure the groove to determine the correct size. Use the ring that fits snugly without stretching.
Q: Can I use these O-rings for filters from other brands?
A: These O-rings are designed specifically for certain GE models. Using them on other brands or incompatible housings might lead to leaks or improper fit.
Q: How often should I replace the O-rings?
A: Inspect your filter housing O-rings whenever you change the filter cartridge or notice leaks. As a rule, replace them annually or when showing signs of wear.
Q: Is the material safe for drinking water?
A: Yes, the buna-n rubber is NSF 61 certified, meaning it’s safe for contact with drinking water and meets strict health safety standards.
Q: Will the O-rings prevent leaks completely?
A: When correctly installed and matched in size, these O-rings effectively seal the housing to prevent leaks as long as they’re maintained properly.
Q: Are instructions included?
A: The packaging may not include detailed instructions, but installation is straightforward. Clean the groove, place the correct O-ring, and assemble the housing carefully.
Verdict
If your GE water filter housing needs replacement seals, the Captain O-Ring set is an excellent choice. With two sizes included, certified water-safe materials, and strong customer feedback on reliable fit and durability, it helps you maintain a leak-free filtration system with confidence.
