Elkay WaterSentry Plus Replacement Filter Review
Product Overview
If you’re using an Elkay WaterSentry Plus filtration system with EZH20 bottle fillers, the Elkay 51300C WaterSentry Plus Replacement Filter Cartridge keeps your water tasting fresh and clean. This replacement cartridge is designed specifically to maintain the filtration system’s high standards by removing contaminants like lead, microplastics, chlorine taste, and odor directly at the point of use.
Maintaining consistent water quality is crucial whether you are hydrating at home, at school, or in public spaces. This cartridge ensures that your Elkay EZH20 bottle filler continues filtering effectively for up to 3,000 gallons or one year—whichever comes first—helping you enjoy safe, fresh water with every refill.

Elkay 51300C WaterSentry Plus Replacement Filter Cartridge
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Key Takeaways
- Effectively reduces lead, microplastics, chlorine taste, odor, cysts, and particulates.
- Simple quick-disconnect and 1/4-turn installation with an automatic inlet shut-off valve.
- Compatible with EZH20 bottle fillers and can upgrade other beverage systems using the EWF3000 kit.
- Filter life limited to 3,000 gallons or one year requires timely replacement for best performance.
- Some users note that installation instructions could be clearer for first-timers.
Why You Might Need Elkay Filter Replacement
If you rely on your Elkay water bottle filling system daily, keeping it outfitted with a fresh filter cartridge is essential. Over time, filters lose their effectiveness, risking unpleasant taste and reduced contaminant removal. You want to avoid drinking water that might carry lead, chlorine, or microplastics—common concerns in many municipal water sources.
Replacing your filter promptly also safeguards against potential health risks from cysts and particulates that older filters might miss. Plus, if you take pride in offering clean, fresh water to your family, coworkers, or community, this cartridge ensures your water stations work at their best.
First Impressions: What to Expect
Opening the package, you’ll find the Elkay 51300C cartridge securely wrapped and ready to install. The design is compact and robust, reflecting Elkay’s reputation for quality. It feels sturdy in hand, and the quick-disconnect feature makes the filter easy to swap without fumbling with tools.
Although it doesn’t come with extensive extras, the cartridge includes everything needed for a straightforward install. The built-in automatic inlet shut-off valve is a small but thoughtful addition that helps prevent leaks or drips during filter changes.
Specs at a Glance
Specification | Details |
---|---|
Compatible Systems | Elkay WaterSentry Plus systems in EZH20 fillers |
Filtration Standards | Certified to NSF/ANSI 42, 53, and 401 |
Contaminants Reduced | Lead, microplastics, chlorine taste & odor, cysts, Class 1 particulates |
Filter Life | Replace every 3,000 gallons or 1 year |
Installation | Quick-disconnect, 1/4-turn with automatic inlet shut-off |
Upgrade Compatibility | Pairs with EWF3000 universal filter kit |

Elkay Filter Cartridge Detailed Specs
Design & Build Quality
This replacement filter stands out for its thoughtful design and well-built construction. The cartridge is compact, which fits snugly within Elkay’s filtration system housing. Its quick-disconnect and 1/4-turn system allow you to swap the filter in seconds. This feature is especially handy to prevent unnecessary water drips or spills, thanks to an automatic inlet shut-off valve that activates as soon as you remove the filter.
One user mentioned in their review: “Installation was surprisingly easy, and the water tasted noticeably fresher immediately.” This reflects Elkay’s commitment to user-friendly design while ensuring top-tier filtration standards.
Material-wise, it’s made to withstand the typical pressures and usage cycles of high-traffic areas like schools or workplaces. You won’t have to worry about leaks or weakening seals as long as the cartridge is installed correctly. The certified filtration technology meeting NSF/ANSI 42, 53, and 401 also guarantees you’re getting a product that was tested for rigorous contaminant reduction.
Real-World Performance
In everyday use, the Elkay 51300C does a solid job at maintaining clean, fresh water flow. After swapping out an old filter for this cartridge, many users notice an immediate improvement in water taste and clarity. The filter effectively removes chlorine taste and odor, bringing your water closer to what it should naturally be.
One anecdote from a busy university campus vending site: the staff replaced their filters regularly with this model and noticed fewer complaints about water flavor from students. The automatic shut-off valve also proved helpful, preventing leaks during filter changes even when handled by busy staff.
The recommended lifespan of 3,000 gallons or one year ensures the filter retains optimal function without degradation. Remember that environment and water usage will affect the filter’s performance cycle, so monitor usage and replace proactively.

Elkay Filter Cartridge in Action
What Makes It Stand Out?
Compared to several replacement filters on the market, this Elkay cartridge shines due to its compatibility and ease of installation within the EZH20 bottle filler line. Two worthy competitors include the Brita PRO Filter and Culligan FM-15. While they offer broad filtration, these do not specifically pair with Elkay’s WaterSentry Plus system nor come with features like automatic inlet shut-off or the quick-disconnect mechanism.
Elkay’s filter also outperforms competitors regarding certain certifications—it meets NSF/ANSI 42, 53, and 401 standards, which not all filters in this category achieve. This means it reduces not just taste and odor but also serious contaminants like lead, cysts, and microplastics.
The ability to upgrade other beverage systems or faucets using the EWF3000 universal kit makes the Elkay 51300C a flexible and long-term solution for clean water needs.
Strengths vs. Trade-Offs
✅ Strengths | ❌ Trade-Offs |
---|---|
Certified to NSF/ANSI 42, 53, and 401 for broad filtration | Must replace after 3,000 gallons or 1 year |
Quick-disconnect, 1/4-turn installation and shut-off valve | Installation instructions could be clearer |
Removes lead, cysts, microplastics, chlorine taste/odor | Cartridge compatibility limited to certain systems |
Works with EWF3000 to upgrade other beverage systems | May require regular monitoring to maintain performance |

Elkay Filter Strengths & Trade-Offs
Who Is It For?
This filter cartridge is ideal if you use or maintain an Elkay EZH20 WaterSentry Plus system at home, work, school, or public venues. If your goals include providing safe and fresh drinking water, this replacement filter helps you achieve that without hassle.
It’s also great for facility managers responsible for ensuring water stations meet health standards, especially where lead and microplastics contamination are concerns. You’ll want it if ease of installation and reliability are priorities, thanks to its quick-disconnect design.
Additionally, if you have other potable water systems and want a universal filtration upgrade, pairing this filter with the EWF3000 kit can help elevate your water quality across applications.
Expert Advice to Maximize Results
To get the most from the Elkay 51300C WaterSentry Plus filter, timely replacement is key. Track your water usage or set a yearly reminder to swap the cartridge, ensuring the system continues removing contaminants effectively.
Always flush the filter for a few seconds after replacement to clear any loose carbon dust before drinking. Follow the quick-disconnect installation steps carefully to prevent leaks and extend the life of your filtration system.
If your water supply has fluctuating quality or heavy use, consider more frequent inspections. Pairing this cartridge with regular system maintenance will maximize both your water quality and equipment uptime.

Expert Tips for Filter Installation & Care
FAQ
Q: How often should I replace the Elkay 51300C filter?
A: It should be replaced after 3,000 gallons of water flow or one year of use, whichever comes first.
Q: What contaminants does this filter remove?
A: It reduces lead, microplastics, chlorine taste and odor, cysts, and Class 1 particulate matter.
Q: Is installation difficult?
A: No, it features a quick-disconnect and 1/4-turn installation with an automatic inlet shut-off valve, making it user-friendly.
Q: Can this filter be used with non-Elkay systems?
A: While designed for Elkay WaterSentry Plus filtration in EZH20 fillers, it can pair with the EWF3000 universal filtration kit to upgrade other beverage systems or faucets.
Q: What certifications does this filter have?
A: It is certified to NSF/ANSI standards 42, 53, and 401.
Q: Does the filter reduce chlorine taste and odor?
A: Yes, it is specifically tested to remove chlorine taste and odor from your water.
Q: Is there any risk of leakage during filter replacement?
A: The built-in automatic inlet shut-off valve closes when you remove the filter to prevent leaks during replacement.
Verdict
The Elkay 51300C WaterSentry Plus Replacement Filter Cartridge is a reliable solution for anyone using Elkay EZH20 water bottle fillers. Its targeted contaminant removal, easy-install design, and quality build keep your water fresh and safe. Timely replacement ensures peak performance, making it a dependable choice for clean drinking water needs.
