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A crystal-clear pool or a soothing spa is not just a luxury; it's a testament to diligent maintenance and a reliable chlorination system. The cornerstone of any effective pool or spa sanitization process rests on the reliable shoulders of a quality chlorinator. Among the myriad of choices available on the market, one name, Hayward, often stands out due to its dedication to quality and innovation.

Hayward, a market-leading manufacturer in the pool and spa industry, has consistently delivered top-notch, efficient, and reliable chlorination solutions. Their range of chlorinators, including the Hayward pool chlorinator, Hayward salt chlorinator, Hayward inline chlorinator, and Hayward automatic chlorinator, all serve as testaments to their expertise in pool maintenance equipment.

A Hayward chlorinator isn't just another pool maintenance tool; it's an essential component that ensures your pool or spa stays clean, safe, and enjoyable. While there are alternatives, such as Pentair pool chlorinators, Hayward's reputation, quality assurance, and wide-ranging product line make it a compelling choice for pool owners.

This comprehensive guide delves deeper into Hayward's chlorination systems, explores their various parts, demystifies their functioning, underlines their importance, and provides insights into their maintenance. 

Types of Hayward Chlorinators

Types of Hayward Chlorinators

Diving into the heart of Hayward's chlorination systems, we discover a broad spectrum of chlorinators designed to meet various needs. Whether you're running a home spa, managing a backyard pool, or operating a commercial-grade swimming complex, Hayward has a solution for you. Let's explore the different types of Hayward chlorinators and how they meet various pool sanitization requirements.

Hayward Pool Chlorinator

A staple in many homes and commercial properties, the Hayward pool chlorinator is a reliable, durable, and efficient means of keeping your pool's water crystal clear and free from harmful bacteria and algae. Designed to be compatible with both in-ground and above-ground pools, these chlorinators continuously and automatically dispense the required amount of chlorine, thus eliminating the need for manual chlorination.

Models such as the Hayward CL200 and CL220 inline chlorinators stand out due to their user-friendly dial control valves that precisely adjust chlorine output. Their large capacity and easy-to-service design make them an excellent choice for pool owners seeking a balance between performance and maintenance.

Hayward Salt Chlorinator

Hayward salt chlorinators represent a shift from traditional chlorine-based sanitization to a more modern, automated, and eco-friendly solution. Using electrolysis, the Hayward salt chlorinator converts salt added to the pool water into pure chlorine. This continuous process ensures a steady supply of fresh, natural chlorine, resulting in softer and more comfortable water.

The Hayward Aqua Rite salt chlorinator is a shining example of this category. It's designed for both in-ground and above-ground pools, offering a self-cleaning feature that prolongs cell life and reduces maintenance.

Hayward Inline Chlorinator

For those seeking a streamlined chlorination process, the Hayward inline chlorinator integrates directly into your pool's existing plumbing system. This means it works in harmony with your pool pump and filter, ensuring an even and steady distribution of chlorine throughout your pool.

The CL200 and CL220 series are prominent Hayward inline chlorinator family members. Their corrosion-proof construction ensures longevity, while the dial control valve provides easy control over chlorine output.

Hayward Automatic Chlorinator

A step ahead in terms of convenience and consistency, Hayward automatic chlorinators eliminate guesswork from pool chlorination. These units automatically dispense the right amount of chlorine, reducing the risk of over-chlorination and ensuring optimal pool water conditions.

The Hayward CL110 series is a prime example of an automatic chlorinator. It's designed to work effectively with both large and small pools and comes with an easy-to-use dial that allows for simple adjustment of chlorine levels.

In conclusion, Hayward chlorinators come in various types and configurations, each uniquely designed to cater to different pool sizes, types, and chlorination requirements. By understanding these categories and their distinguishing features, you can make an informed decision that best suits your specific needs and pool maintenance goals.

Hayward Chlorinator Parts

Chlorinators are a synergy of different parts and components working together to ensure effective and consistent chlorine dispersion in your pool. Just like any other mechanical or electronic device, understanding the individual components of your Hayward chlorinator can help in its efficient operation and maintenance. Let's dive into the essential parts of a Hayward chlorinator.

Chlorinator Body

The body of the chlorinator, often referred to as the canister, is the part that holds the chlorine tablets or salt. It is corrosion-resistant to withstand the harsh effects of chlorine and other chemicals. With Hayward, the durability of the chlorinator body is assured, contributing to the overall longevity of the unit.

Control Valve

The control valve, found in models like the CL200 and CL110 series, allows you to adjust the chlorine flow rate into your pool. This dial control valve is critical for maintaining balance in your pool's chemical composition. Turning the dial to the right increases the chlorination rate while turning it to the left decreases it.

Check Valve

The check valve is a safety feature that prevents water from flowing back into the chlorinator. It ensures that highly chlorinated water does not reenter and potentially damage the chlorinator or other parts of your pool system. This component is essential for maintaining your pool chlorinator's longevity and safe operation.

Chlorinator Lid

The lid of the Hayward chlorinator is a crucial part that allows for easy loading and reloading of chlorine tablets. It is designed for a secure yet easy-to-open fit, making the maintenance process more convenient.

Self-Cleaning Salt Cell

Specific to the Hayward salt chlorinator models, the self-cleaning salt cell is an advanced feature that improves the unit's longevity and reduces maintenance needs. The salt cell is where the electrolysis process takes place, converting salt into chlorine. The self-cleaning feature helps to reduce calcium buildup, ensuring the cell's efficiency.

In summary, each part of a Hayward chlorinator has a specific role to play. Understanding these parts and their functions helps to ensure optimal operation, facilitate effective maintenance, and extend the longevity of your chlorinator. The availability of replacement Hayward chlorinator parts also allows for cost-effective repairs and continued smooth operation.

Functions and Importance of Hayward Chlorinators

Functions and Importance of Hayward Chlorinators

Chlorination systems, such as those developed by Hayward, play a critical role in maintaining and caring for pools and spas. These systems function to maintain the cleanliness and safety of your pool, ensuring that it's always ready for a relaxing dip or a refreshing swim. Let's take a closer look at how Hayward chlorinators function and why they are indispensable.

How Hayward Chlorinators Function

Hayward chlorinators work by introducing chlorine into your pool or spa's water in a controlled and automated manner. Whether it's a pool chlorinator or a salt chlorinator, the basic concept is the same: these devices dispense chlorine at an adjustable rate according to your specific requirements.

For traditional pool chlorinators, chlorine tablets or sticks are loaded into the canister, and as water passes through the system, it dissolves a portion of the chlorine, which is then returned to the pool.

Salt chlorinators, on the other hand, use a more sophisticated process. Salt is added to the pool water, and as it circulates through the chlorinator, the saltwater passes over a specially coated cell that splits the salt into its two essential components: sodium and chlorine. This chlorine then sanitizes the pool water.

Importance of Hayward Chlorinators

Maintaining a balanced and sanitary pool environment is crucial for both the swimmers' health and the pool's longevity. Here's why Hayward chlorinators are essential:

Consistent Chlorination: The automated process ensures a steady, consistent supply of chlorine, eliminating the peaks and valleys of manual chlorination and providing a healthier, more enjoyable swimming experience.

Ease of Use: Hayward chlorinators are designed for convenience. The process is automated, reducing the time and effort required for pool maintenance.

Cost-Effective: By regulating chlorine levels efficiently, Hayward chlorinators can help save on chemical costs. Furthermore, the longevity and availability of replacement parts contribute to cost-effectiveness in the long run.

Health and Safety: Adequate chlorination helps prevent the growth of harmful bacteria, algae, and other microorganisms in the water, thus ensuring the health and safety of all users.

In conclusion, Hayward chlorinators perform an essential role in maintaining the sanitation and balance of pool water. By understanding how these devices function and the value they provide, we can appreciate why they are a worthy investment for any pool or spa owner.

Maintaining Your Hayward Chlorinator

Proper maintenance of your Hayward chlorinator is crucial for its longevity and efficient operation. A well-maintained chlorinator ensures a consistent and adequate supply of chlorine, keeping your pool in optimal condition. Here's a guide on maintaining your Hayward chlorinator and the importance of regular maintenance.

Basic Guidelines for Maintenance

Regularly Check Chlorine Levels: The most basic aspect of maintaining your Hayward chlorinator, whether it's a pool chlorinator or a salt chlorinator, is to check the chlorine levels in your pool regularly. This ensures that the chlorinator functions correctly and that the pool receives adequate sanitation.

Cleaning the Chlorinator: Over time, residue can build up inside the chlorinator, affecting its efficiency. Regularly cleaning your chlorinator, particularly the chlorinator body and control valve, can prolong its lifespan and ensure optimal performance. Always follow the manufacturer's instructions when cleaning your chlorinator.

Inspecting and Replacing Parts: Inspecting Hayward chlorinator parts can help identify wear and tear. Parts such as the control valve, check valve, and chlorinator lid should be checked periodically for any signs of damage. If any parts are worn out, replace them with genuine Hayward parts to maintain optimal functioning and safety.

Maintaining the Salt Cell: The salt cell requires regular maintenance for salt chlorinators. While self-cleaning features reduce calcium buildup, manual cleaning might still be necessary occasionally. Always ensure that the cell is free from debris and mineral buildup for efficient operation.

Importance of Regular Maintenance

Ensures Efficient Operation: Regular maintenance ensures that your Hayward chlorinator functions at its best, providing consistent and reliable chlorination.

Extends Lifespan: Regular upkeep and timely replacement of worn-out parts can significantly extend the lifespan of your chlorinator, making it a more cost-effective solution in the long run.

Health and Safety: Proper maintenance contributes to a safer and healthier pool environment. It ensures that the chlorination levels stay within the recommended range, preventing harmful bacteria and algae from thriving.

In conclusion, maintaining your Hayward chlorinator is essential to pool ownership. A well-maintained chlorinator will serve you efficiently, keeping your pool sparkling clean and safe for all to enjoy.

Pentair Pool Chlorinator

While Hayward is a popular choice for many pool owners, it's important to recognize that they're not the only player in the pool chlorinator market. Pentair, another well-respected name in the industry, also offers high-quality, reliable chlorination solutions. Here, we'll briefly discuss Pentair pool chlorinators and how they compare with Hayward's offerings.

Pentair pool chlorinators, like the Pentair Rainbow 320, are known for their robust design and efficient chlorination. They work on the same basic principles as Hayward chlorinators, introducing chlorine into your pool's water in a controlled manner. Pentair chlorinators also have an adjustable control valve for regulating chlorine output and a check valve to prevent backflow.

One unique aspect of Pentair chlorinators is their use of special corrosion-resistant material for the body, ensuring durability in the face of continual chemical exposure. They also offer easy installation, either inline or offline, providing versatility depending on your pool's setup.

Comparatively, both Hayward and Pentair offer reliable chlorination solutions. The choice between the two often comes down to personal preference, specific feature requirements, or compatibility with existing pool equipment. Both manufacturers provide high-quality chlorinators with durable construction and easy-to-service designs to keep your pool safe and sanitary.

While this guide focuses on Hayward chlorinators and their parts, we acknowledge that alternatives like Pentair pool chlorinators may be suitable for some pool owners.


Maintaining a clean and safe pool or spa environment is critical, and the role of a reliable chlorinator cannot be overstated. Hayward, a reputable name in the industry, offers durable and efficient chlorinators designed for optimal performance. Understanding the types of Hayward chlorinators, their parts, functions, and the importance of regular maintenance empowers pool and spa owners to make informed decisions, ensuring longevity and cost-effectiveness. While alternatives like Pentair also provide quality solutions, our focus has been to shed light on the intricacies of Hayward's offerings. With a quality chlorinator like those from Hayward, achieving a healthy and enjoyable aquatic experience becomes simpler and more efficient. Remember, a well-maintained chlorinator is the cornerstone of every sparkling, inviting pool or spa.

FAQs About Hayward Chlorinators

Hayward chlorinators are powerful tools for maintaining pool cleanliness, but they can seem complex to those unfamiliar with them. To assist you, we've compiled a list of frequently asked questions that address common concerns and queries related to these devices.

How do I install a Hayward chlorinator?

Installation can vary slightly depending on the specific model and whether it's an inline or offline chlorinator. Generally, if one is installed, it involves plumbing the chlorinator into the pool's return line after the filter and heater. Always follow the manufacturer's instructions for the particular model, and consider hiring a professional if you're unsure.

How often should I check and adjust the chlorine levels in my pool?

The frequency can vary depending on the pool's use and environmental factors. However, it's generally recommended to check at least once a week. More frequent checks may be needed during heavy use or after much rain.

How do I know when to replace parts in my Hayward chlorinator?

Regular inspection can help identify any parts that might be worn out or damaged. If a part appears damaged or if the chlorinator isn't functioning properly even with the correct settings and adequate chlorine supply, it might be time to replace one or more parts.

How much salt does a Hayward salt chlorinator require?

Salt chlorinators require a certain level of salt to operate efficiently, typically between 2700-3400 parts per million (ppm). The exact amount needed can depend on your pool size and the specific model of the salt chlorinator.

Can I use a Hayward chlorinator for my spa?

Yes, Hayward chlorinators can also be used for spas. Ensuring that the chlorine levels are appropriately maintained for the smaller volume of water typically found in spas is essential.

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