PoolAndSpaPartsDepot.com® is Open for Business
  Loading... Please wait...



In the sophisticated world of pool and spa systems, the importance of pool plumbing valves cannot be overstated. These components are the unsung heroes that keep your pool and spa operating at their best, regulating water flow, and ensuring optimal performance of the entire system.

As experts in the industry with years of experience and a deep understanding of pool and spa systems, we know the intricacies of these components inside out. Whether it's ball valves, gate valves, butterfly valves, check valves, diverter valves, or multiport pool valves, we understand their unique roles, functions, and the specific scenarios they're best suited for.

We have navigated the often complex world of pool and spa plumbing, deciphering the specifications of valves from renowned brands like Hayward, Pentair, Waterway, and Waterco. We've installed, repaired, and maintained countless valves, gaining invaluable knowledge and insights along the way.

This comprehensive guide aims to share our wealth of knowledge with you. By diving deep into the function and importance of various plumbing valves and exploring how top brands are advancing valve technology, we aim to equip you with a more nuanced understanding of your pool or spa system.

Functions and Types of Plumbing Valves

Types of Plumbing Valves

Many plumbing valves exist, each serving a unique purpose and offering specific advantages depending on the application within your pool or spa system. Let's explore each type in detail:

Ball Valves 

Ball valves, a common type of pool plumbing valve, are a straightforward solution for controlling water flow. Named for the ball-like component located within the valve's body, they have an opening in the middle. 

When the handle is turned, the opening aligns with the pipe, allowing water to flow freely. Conversely, the opening is blocked when the handle is turned to a right angle to the pipe, stopping water flow.

Though simple in operation, ball valves are crucial in pool and spa systems. They're often found in equipment lines such as heaters and water features. 

Despite their reliability, they're generally not recommended for high-pressure applications due to the risk of the ball being forced from its seating.

Gate Valves 

Gate valves raise or lower a "gate" or "wedge" to allow or prevent water flow. Turning the handle clockwise lowers the gate to block water flow, while turning it anticlockwise raises the gate, allowing water to pass. Gate valves are excellent for applications that require an unrestricted flow of water since they do not obstruct the pipeline when fully open.

While gate valves are less commonly found in modern pool and spa systems, they might be seen in older installations. 

These valves are particularly beneficial where a straight-line flow of fluid and minimum restriction is desired. Their design allows for either full flow or shut-off but doesn't enable throttling of the flow.

Butterfly Valves 

Butterfly valves, typically used in larger plumbing systems, consist of a disc mounted in the center of the pipe. This disc, or "butterfly," can be rotated to either fully open, partially open, or fully close the valve. The handle position indicates the disc's position, providing visual confirmation of whether the valve is open or closed.

Butterfly valves are used extensively in pool and spa systems due to their durability, reliability, and efficiency. 

They're well-suited to handle large water flows and provide excellent control over the flow rate. However, professionals should install them as their performance heavily depends on correct installation.

Check Valves 

The check valve's main function is to allow water to flow in one direction while preventing backflow. The key here is that plumbing check valves operate automatically, needing no manual adjustment to perform their task.

Check valves are essential to maintaining balance and flow within a pool or spa system. They prevent chlorinated water from backtracking into equipment such as heaters and salt chlorinators, which could cause damage over time. 

The importance of a check valve becomes evident in systems with waterfalls, spas, and in-floor cleaning systems, where preventing backflow is vital to maintaining system integrity.

Diverter Valves 

In pool and spa systems where water can be directed to different areas or pieces of equipment, diverter valves are the components of choice. These valves allow the system to control where water is sent, for instance, to a pool, spa, or between different water features.

A diverter valve is built with an internal baffle that can be manually adjusted to direct water flow. Turning the handle on the diverter valve allows the system operator to change the water flow direction as required. Diverter valves add a level of control and flexibility to your pool or spa system, enabling you to customize the flow based on your specific needs.

Multiport Valves

Multiport valves are a complex yet highly beneficial addition to a pool or spa's plumbing system. They are commonly seen on pool sand filters, and as their name suggests, these valves have multiple ports, each assigned to a specific function. Turning the handle on the multiport valve allows you to select different settings like filter, backwash, rinse, recirculate, waste, and close.

This versatility is what makes multiport pool valves so essential. Whether operating a routine filter, performing a backwash, or bypassing the filter during servicing, a multiport valve allows you to manage these functions effectively and efficiently.

Swimming pool multiport valves, particularly those from leading brands like Hayward, Pentair, and Waterco, have set the industry standard for performance and reliability. 

For example, Hayward pool multiport valves are designed with durable materials to resist corrosion and damage. They're easy to use and provide clear labeling for each setting, making pool maintenance a simpler task.

Similarly, Waterco multiport valves bring the same level of quality and performance, designed for ease of use and long-lasting durability. Pentair pool multiport valves are equally reliable, offering excellent performance, simple operation, and long service life. 

The right multiport valve from these trusted brands can make pool and spa maintenance significantly more straightforward and efficient.

In conclusion, multiport valves are a great investment for anyone looking to streamline their pool or spa maintenance. Their multi-functionality and convenience make them an indispensable part of any pool or spa plumbing system.

Key Brands in Plumbing Valves

Key Brands in Plumbing Valves

In the pool and spa plumbing world, certain names stand out for their commitment to quality, innovation, and performance. Let's take a closer look at some of these industry-leading brands and their offerings:


Hayward is a brand synonymous with top-quality pool and spa equipment, and their pool plumbing valves are no exception. Known for their robust construction and excellent performance, Hayward pool multiport valves offer efficiency and convenience. 

Their designs are user-friendly, with clearly labeled settings and easy operation. Moreover, these valves are designed for longevity and made with materials resistant to corrosion and pool chemicals.


Pentair is another big pool and spa industry name renowned for its reliable and durable products. Pentair pool multiport valves, for example, are known for their outstanding performance and long service life. 

They provide excellent control over water flow, allowing for various functions like filtration, backwashing, and rinsing. Pentair's commitment to quality is evident in its meticulous design and the use of high-quality materials.


A pioneer in the industry, Waterway offers a wide range of plumbing valves suited to different pool and spa applications. Their diverter valves, for instance, are popular for their superior control over water flow and their durability. Waterway continuously strives to innovate, ensuring its products meet the demands of modern pool and spa systems.


Waterco is another brand leading the pool and spa technology charge. Known for their innovative designs and high-quality materials, Waterco multiport valves are particularly noteworthy. These valves offer versatility and convenience, enabling pool owners to manage multiple functions easily. Built for longevity and reliable performance, Waterco valves are an excellent addition to any pool or spa system.

Choosing valves from these reputable brands can greatly enhance the performance of your pool or spa, ensuring a smooth and efficient operation. Each brand brings its unique strengths, offering a range of options for any pool or spa system.

Maintenance and Repair of Plumbing Valves

Maintenance and Repair of Plumbing Valves

Proper maintenance and timely repair of plumbing valves are crucial to ensuring the optimal performance of your pool or spa system. However, the process can often be more complex than it initially appears, requiring a nuanced understanding of the valve mechanisms and potential issues that can arise.

  • Routine Checks and Preventive Maintenance 

Routine checks and preventive maintenance are the first lines of defense in prolonging the life of your plumbing valves. For example, regularly lubricating the O-rings and seals in your diverter valves can help prevent wear and tear and maintain smooth operation. 

Similarly, regularly checking and cleaning the spider gasket for multiport valves can prevent water leakage and ensure the proper directing of water flow.

  • Repairing Common Issues 

When it comes to repairs, understanding the common issues that may arise can be quite helpful. For example, in the case of plumbing check valves, one of the most common issues is the "flapper" (the mechanism that stops the water from flowing back) not closing properly. 

This is often due to debris caught in the valve or a worn-out flapper. Repairing this issue can involve disassembling the valve, cleaning any debris, and replacing the flapper if necessary.

Multiport valves, given their complexity, can have various issues. A common problem is a valve leaking water during operation, often due to a damaged spider gasket. Replacing this gasket involves removing the multiport valve from the system, disassembling it, and replacing the gasket.

  • Professional Assistance 

While pool or spa owners can perform some maintenance tasks and minor repairs, certain issues may require professional assistance. For example, complex tasks such as replacing a diverter valve may involve adjusting the plumbing system, a task best left to professionals. 

Similarly, if a multiport valve has persistent issues even after gasket replacement, a professional can diagnose and address potential underlying problems.

Maintenance Tips for Different Brands

Different brands may have specific maintenance recommendations. For example, Hayward suggests using silicone lubricant for their valve O-rings, while Pentair recommends backwashing their valves before switching functions to prevent damage.

The above insights show the complexity of maintaining and repairing pool and spa plumbing valves. By understanding these complexities, you can ensure your system's efficient operation and longevity, saving you time and money in the long run.


In conclusion, understanding different pool plumbing valves, including ball valves, gate valves, check valves, diverter valves, and multiport pool valves, is key to maintaining the optimum performance of your pool or spa system. Brands like Hayward, Pentair, Waterway, and Waterco provide high-quality, durable options that can withstand the rigors of a demanding pool environment. 

Regular maintenance and appropriate care of these valves, particularly multiport valves like Hayward pool or Waterco multiport valves, will ensure your system's efficiency and longevity. Investing in quality valves and conducting regular maintenance ensure that your pool or spa is always ready for you to enjoy.

Frequently Asked Questions

Why is it necessary to have different types of plumbing valves in a pool or spa system?

Different plumbing valves serve unique purposes in a pool or spa system. For instance, ball valves regulate water flow, gate valves offer unrestricted water flow, and check valves prevent water backflow. 

Diverter valves control water direction, and multiport valves allow for several different operational modes. A combination of these valves ensures the system's optimal function.

What's the importance of brand selection when choosing a pool or spa valve? 

Brands like Hayward, Pentair, Waterway, and Waterco are renowned for quality, durability, and innovative designs. Choosing a reputable brand ensures you get a valve that can withstand the rigors of pool and spa environments and serve you efficiently for an extended period.

How often should I maintain or inspect my pool or spa valves? 

Routine inspection and maintenance should be performed at least twice a year. However, more frequent checks may be beneficial for high-use systems or older installations. Always refer to the manufacturer's guidelines for specific maintenance instructions.

Can I replace or repair valves myself, or do I need professional help? 

This depends on the complexity of the issue and your comfort level with pool and spa system maintenance. A knowledgeable homeowner might do simple tasks such as lubricating O-rings or cleaning a check valve. 

However, professionals better handle complex issues, especially those that involve disassembling the plumbing system.

Why is my multiport valve leaking, and how can I fix it? 

Leakage in a multiport valve often results from a damaged spider gasket. Over time, this gasket can wear out, become dislodged, or sustain damage, resulting in leaks. While it is possible to replace the gasket yourself, this repair can be complex and may require professional assistance.

Sort by:



What's News


Sign up to get the latest deals and tips!
    Pool and Spa Parts Depot
  • Your one-stop shop for all pool and spa needs. Over 20,000 quality pool and spa equipment, including pumps, filters, cleaners, heaters and many more! In stock from of our warehouses ready to ship to you in just a few clicks.
  • We are open from Mon-Fri 6AM-2PM PST Call us at +1 (510) 945-1197
  • Email: support@poolnspastore.com
  • Address: 1733 H Street Ste 450, Blaine WA 98230
  • Shop with confidence
    Customer Reviews

Copyright 2024 Pool and Spa Parts Depot. All Rights Reserved.
 Sitemap | BigCommerce Premium Themes by PSDCenter