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Item #:
220620205
Captain O-Ring - Replacement 151122 O-Rings Compatible with Pentair Pentek Big Blue Water Filters OEM Size ORing Buna-N (3 Pack)
85% of respondents would recommend this to a friend
Item #:
220620205
RWF 44994
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
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Imported from USA store
QTY:
Order now and get it around Saturday, October 10
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Includes 3 replacement o-rings to repair your leaking water filter housing.
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What Stands Out
OEM Compatibility
Designed specifically for Pentair Pentek Big Blue filters, ensuring perfect fit and optimal performance without leaks for enhanced filtration quality.
Durable Material
Made from high-quality Buna-N rubber, these O-rings provide exceptional resistance to abrasion and environmental factors, ensuring long-lasting reliability and efficiency.
Value Pack
Each pack contains three O-rings, offering excellent value for money while ensuring you have spares readily available to maintain your water filtration system.
Product Details
| Brand Name | Captain O-Ring |
| UPC | 722589526046 |
| Manufacturer | Captain O-Ring LLC |
| Unit Count | 3 Count |
| Set Name | 3 Pack |
| Number of Items | 3 |
| Number of Pieces | 3 |
| Part Number | 151122 |
| Item Weight | 18.14 g |
| Model | 151122x3 |
| Material Type | Nitrile Rubber |
| Color | black |
| Temperature Range | 4E+1 °F |
| EU Spare Part Availability Duration | 1 years |
| Nominal Inside Diameter | 5.5 inches (14 cm) |
| Item Diameter | 5.83 inches (14.8 cm) |
| Nominal Outside Diameter | 5.83 inches (14.8 cm) |
| Material | Nitrile Rubber |
| Brand | Captain O-Ring |
Who Should Buy?
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Homeowners
Ideal for homeowners needing reliable replacement O-Rings for their Pentair Pentek Big Blue water filters.
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DIY Enthusiasts
Perfect for DIY enthusiasts looking to replace worn out O-Rings easily without professional help.
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Water Filter Technicians
Great for technicians who require OEM quality replacement parts for efficient water filter maintenance and repairs.
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Non-Compatible Filters
Not suitable for users with non-compatible or different brand water filter systems, as it won’t fit properly.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What are the dimensions of Captain O-Ring 151122 O-Rings?
Answer: The Captain O-Ring 151122 O-Rings are designed to meet OEM specifications, providing an ideal fit for Pentair Pentek Big Blue Water Filters. While the exact dimensions may vary slightly, these O-rings typically feature a standard diameter that ensures optimal sealing. Using accurately sized O-rings is crucial for preventing leaks and ensuring the integrity of your water filtration system. Users have reported significant improvements in water quality and efficiency after replacing old or damaged O-rings, highlighting their essential role in maintaining a well-functioning filtration setup. -
Question:
How does Buna-N material benefit O-Rings?
Answer: Buna-N, or nitrile rubber, is favored in the manufacturing of O-Rings due to its excellent resistance to oils, fuels, and chemicals. This makes Captain O-Ring Buna-N O-Rings particularly effective for use in water filtration systems that may encounter various contaminants. Their durability ensures long-lasting performance even under pressure, drastically reducing the chances of system failure. Customers often express satisfaction with the resilience of these O-Rings, noting that they provide reliable sealing compared to standard alternatives, leading to enhanced filtration performance. -
Question:
How many O-Rings are included in a pack?
Answer: The Captain O-Ring Replacement pack contains three O-Rings, providing sufficient replacements for various filters or multiple uses. Having multiple O-rings on hand allows users to replace them as needed without having to frequently reorder, ensuring that their filtration systems can be maintained efficiently. Many customers appreciate the convenience of the three-pack, allowing them to keep their systems functioning optimally without the need for continuous restocking. -
Question:
Are these O-Rings compatible with other brands of water filters?
Answer: The Captain O-Ring 151122 O-Rings are specifically designed for Pentair Pentek Big Blue Water Filters, and while they may fit some other filter brands that have similar dimensions, compatibility is not guaranteed. It’s essential to check the specifications of your filter to ensure proper fit and function. Users trying these O-rings in various systems have reported mixed results, emphasizing the importance of using the exact specifications for the best performance in water filtration. -
Question:
What is the role of O-Rings in water filtration systems?
Answer: O-Rings serve as seals in water filtration systems, preventing leaks and ensuring that water flows through the filter as intended. They maintain pressure, preventing contamination and ensuring the effective filtering of impurities from the water. When O-rings wear out or become damaged, users can experience leaks, decreased water pressure, or poor filtration. Regular replacement of O-rings, like those from Captain O-Ring, can help maintain system efficiency, ultimately providing cleaner and safer drinking water. -
Question:
How do I replace the O-Rings in my water filter?
Answer: To replace the O-Rings in your water filter, first turn off your system and relieve any pressure. Carefully remove the old O-Ring from its groove, taking care not to damage the surrounding components. Clean the groove thoroughly to ensure a proper seal, then insert the new Captain O-Ring into the space, ensuring it's evenly seated. Reassemble your filter and check for leaks once it's back in operation. Many users find that they can perform this task easily at home, maintaining their water system effectively. -
Question:
Can I use these O-Rings for both residential and commercial systems?
Answer: Yes, Captain O-Ring Replacement 151122 O-Rings can be utilized in both residential and commercial water filtration systems that require the standard Pentair Pentek Big Blue filters. Their robust material properties make them suitable for higher-demand environments often found in commercial settings. Customers have noted that they effectively maintain pressure and filtration quality in both settings, making them a versatile choice for anyone in need of reliable O-Ring replacements. -
Question:
What maintenance tips should I follow for my water filter's O-Rings?
Answer: Regular inspection and maintenance of your water filter's O-Rings are crucial for ensuring longevity and performance. Check for signs of wear, cracks, or distortions every few months. It’s advisable to clean the O-rings thoroughly before reinstallation to remove any dirt or debris that could compromise the seal. Many users recommend lubricating the O-Rings with a food-safe lubricant before installation to enhance their lifespan and functionality. Consistent maintenance will help keep your water filtration system running efficiently. -
Question:
Where can I buy Captain O-Ring Replacement 151122 O-Rings in Rwanda?
Answer: You can buy Captain O-Ring Replacement 151122 O-Rings from Ubuy in Rwanda. They offer a reliable platform to find this product and ensure you receive the genuine O-Rings specifically compatible with Pentair Pentek Big Blue Water Filters. Ubuy provides a straightforward shopping experience, making it easy to locate and purchase the right replacement parts for your water filtration needs. -
Question:
What are the benefits of using OEM O-Rings over generic options?
Answer: Using OEM O-Rings like the Captain O-Ring Replacement 151122 ensures a perfect fit and optimal sealing performance compared to generic alternatives. OEM products are manufactured to meet specific standards set by the original equipment manufacturer, which translates to better durability and reliability. Many users report fewer leaks and improved system efficiency when using OEM O-Rings as they are designed specifically for their intended purpose, thus eliminating the risk of compatibility issues that can arise with generic options.
Captain O-Ring Water Filtration Replacement Parts Editorial Review
**** The O-ring filters are highly regarded by customers for their perfect fit and effective sealing capabilities within various water filter systems, particularly the Pentek Big Blue models. Many users appreciate their cost-effectiveness, noting that they can replace the rings every six months without breaking the bank. The ease of installation is frequently mentioned; customers report that following simple instructions, along with using a light coat of silicone grease, ensures a secure and leak-free fitting. While some reviews indicated that the O-rings are somewhat thin, they still perform reliably once installed. A few users did experience minor leaks initially, but these were often resolved as the O-rings swelled upon use. This swelling is a common phenomenon, and insights suggest that always having new O-rings on hand is a good practice for those undertaking regular filter changes. Overall, the reception of this product is overwhelmingly positive, with customers expressing satisfaction regarding both the practical performance and the affordability of the O-rings. **
Customer Reviews & Ratings
3248 customers ratings
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5 Star
76%
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4 Star
14%
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3 Star
5%
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2 Star
1%
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1 Star
4%
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Pros
- Perfect fit for various water filter systems.
- Cost-effective, recommended for regular six-month replacement.
- Easy to install with a light coat of silicone grease.
- Generally leak-free after initial swelling.
Cons
- Some users found the rings to be a bit thin.
Platform Trust & Buyer Confidence
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9 September 2026 · via Trustpilot
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10 September 2026 · via Trustpilot
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“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
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Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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RWF 44994
Order now and get it around Saturday, October 10
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Three-pack of replacement o-rings specifically designed for Big Blue Water Filter Housings.
- Compatible with a wide range of filter housing brands and models.
- Manufactured from NSF 61 certified buna-n rubber for safety and durability.
- Direct replacement for multiple part numbers, ensuring compatibility.
- Easy to install, effectively repairs leaking filter housings.
- Proudly made in the USA by Captain O-Ring LLC.
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