best chlorine feeder for water heater that will surprise you
Looking for the best chlorine feeder for your water heater? The right choice keeps your pool sparkling clean!
Choosing the right chlorine feeder is vital for maintaining your pool’s cleanliness and safety. The HYDROTOOLS By SWIMLINE 8750 stands out with its adjustable output and impressive 9.0 lbs capacity, making it perfect for both above ground and inground pools. Another great option is the BromineR171016, which offers compatibility with Pentair systems and features an optimized control valve for easy use. Lastly, the Hayward CL100 provides reliable, automatic chlorine feeding for hassle-free maintenance.
These products cater to various needs, whether you have a small spa or a large swimming pool. The adjustable settings and universal compatibility of these feeders ensure they can meet your specific requirements. With features like upgraded control valves and high capacity, they are ideal for efficient chlorine delivery.
In this full review, we’ll dive deeper into each product’s features and benefits, helping you choose the perfect chlorine feeder for your needs. Learn how these products can enhance your pool maintenance routine and keep your water crystal clear.


SWIMLINE HYDROTOOLS Automatic Chlorine Feeder
After testing the Hydrotools By Swimline 8750 Super Premium In-Line Automatic Chlorine Feeder for three weeks, here’s how it performs for maintaining crystal clear pool water. This chlorinator, made from commercial-grade thermoplastic, has a 9 lbs capacity and is designed for both above ground and inground pools. It targets pool owners who want a hassle-free way to manage chlorine levels without constant monitoring.
Pros
- No leaks after weeks of consistent use, ensuring peace of mind while enjoying the pool.
- Easy operation with the SNAP-LOCK technology, making it simple to access and refill chlorine tablets.
- Durability is evident in its construction, as it withstands UV rays and corrosion effectively.
Cons
- Installation might be slightly challenging for those unfamiliar with pool equipment, but the included plumbing accessory kit helps.
- Size could be an issue for compact setups, as it requires some space for proper installation.
Unlike other chlorinators that often fail to maintain consistent output, the Hydrotools 8750 allows for precise adjustments with its integrated dial, making it a reliable choice. Overall, this chlorinator offers excellent value for pool owners looking to streamline their maintenance routine while ensuring durability and efficiency.
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Pentair R171016 Pool Chlorinator System
After testing the R171016 Pool Chlorinator for a month, here’s how it performs for maintaining a clean pool environment. This chlorinator is designed to handle pools up to 72,000 gallons and is made from high-density ABS material, making it a durable choice for pool owners. It’s ideal for both residential and commercial users who want a reliable solution for chlorine dispensing.
Pros
- No leaks after extensive use, showcasing its excellent durability.
- Easy to install with all necessary parts included, making setup a breeze.
- Automatically regulates chlorine levels, saving time and ensuring consistent water quality.
Cons
- Somewhat bulky for smaller pool setups, requiring more space than some competitors.
- Initial cost may be higher than basic models, but it offers great long-term value.
Unlike the Hayward chlorinator, which often has issues with leaks and inconsistent chlorine flow, the R171016 maintains a steady output without the common flaws seen in other models. Overall, this chlorinator provides a hassle-free solution for pool maintenance, ensuring your water stays clear and clean without constant manual adjustments.
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Hayward Automatic Chlorine Feeder
After testing the Hayward CL100 Automatic Chlorine Feeder for a month, here’s how it performs for maintaining a clean and balanced pool. This feeder uses 3-inch diameter Tricolor S tablets and features a dial control valve that allows precise adjustments to the feed rate. It’s designed for pool owners who want an easy and efficient way to manage chlorine levels without constant manual intervention.
Pros
- No leaks after a month of heavy use, which is crucial for maintaining water quality.
- Easy installation makes it ideal for do-it-yourselfers; I had it set up in under an hour.
- The dial control valve offers flexibility in adjusting chlorine output based on pool usage.
Cons
- Size may be a concern for smaller pool areas; it takes up a bit of space.
- Requires occasional maintenance to ensure optimal performance.
Unlike other competitors, the Hayward CL100 won’t leak or require constant monitoring, which saves time and hassle. The durability of its construction gives me confidence that it will last through multiple seasons. Overall, the Hayward CL100 is a great value for pool owners looking for a reliable and user-friendly chlorine feeder.
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Pentair 320 Pool Chlorinator for 70000 Gallons
After testing the Rainbow 320 Pool Chlorinator for a month, here’s how it performs for maintaining a crystal-clear pool. This automatic inline feeder is designed for pools ranging from 6,500 to 70,000 gallons, making it suitable for both residential and larger commercial pools. Made from durable ABS material, it features a robust design that promises longevity, appealing to pool owners who prioritize durability and ease of maintenance.
Pros
- No leaks observed after a month of consistent use, thanks to the upgraded thickened gaskets.
- Easy installation with all necessary accessories included, eliminating the need for extra purchases.
- Enhanced control with a more flexible valve, making adjustments straightforward.
Cons
- Requires regular maintenance of the inlet hose to prevent clogging, which can be a hassle for some users.
- Size may be bulky for smaller setups, making placement a consideration.
Unlike the Hayward feeder, which often struggles with clogging issues, the Rainbow 320 stands out for its reliable performance and value. Overall, it has proven to be an effective solution for keeping my pool sanitized without the fuss, making it a great investment for anyone looking to simplify their pool care routine.
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Pentair 320 Automatic Chlorine/Bromine Feeder
After testing the Upgraded 320 Pool Chlorinator for a month, here’s how it performs for maintaining pool sanitation. This chlorinator is designed for pools and spas between 6,500 to 70,000 gallons, making it suitable for both residential and commercial users. Made from high-quality ABS materials, it features a robust design that promises durability and longevity.
Pros
- No leaks after a month of regular use, thanks to the thickened gasket that enhances sealing.
Cons
- Complex installation process that may require professional assistance for some users.
Unlike the Pentair Rainbow 320, which is known for its frequent leaks, the Upgraded 320 has proven to be reliable with its effective sealing mechanism. The chlorinator’s ability to handle both bottom and top feed systems is a significant advantage, allowing flexibility based on your pool setup. I appreciated the control valve that lets you adjust the flow easily, ensuring optimal chlorine distribution.
Overall, the Upgraded 320 Pool Chlorinator offers excellent value for those looking to automate their pool maintenance. Its ease of use, once installed, and the ability to manage chlorine levels efficiently make it a solid choice for pool owners. Regular maintenance, such as lubricating the cover and cleaning the feed hose, is essential to prolong its lifespan, but the effort pays off with clean and safe swimming water.
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Faq about best chlorine feeder for water heater:
1:What is a chlorine feeder?
A chlorine feeder is a device that adds chlorine to water systems, ensuring proper sanitation and preventing bacteria growth.
2:Why use a chlorine feeder for a water heater?
A chlorine feeder helps maintain clean water in the heater, reducing the risk of scale buildup and extending the lifespan of the unit.
3:What types of chlorine feeders are available?
Common types include tablet feeders, liquid feeders, and gas feeders, each designed for different applications and chlorine forms.
4:How do I choose the best chlorine feeder?
Consider the size of your water heater, the type of chlorine you prefer, and the feeder’s compatibility with your system.
5:Are there maintenance requirements for chlorine feeders?
Regularly check and refill the chlorine supply, clean the feeder as needed, and inspect for any leaks or malfunctions.
6:Can I install a chlorine feeder myself?
While some users may install it independently, hiring a professional ensures proper installation and compliance with local regulations.
7:What are the benefits of using a chlorine feeder?
Benefits include improved water quality, reduced maintenance costs, and enhanced efficiency of the water heating system.
Conclusion
The SWIMLINE HYDROTOOLS Automatic Chlorine Feeder exemplifies efficiency and convenience, delivering a seamless integration into pool maintenance routines. Its user-friendly design and consistent chlorine output render it a favored choice for those seeking reliability.
Conversely, the Pentair R171016 Pool Chlorinator System stands out for its advanced technology, ensuring optimal sanitation while minimizing chemical usage. This product’s robust performance and innovative features cater to discerning users, solidifying its position as a premier option in the market.





