Ball Valves

(23 products)

Shop our selection of pool ball valves and find the right fit for your plumbing setup. Ball valves provide simple, reliable on/off flow control for pool plumbing lines and are one of the most commonly replaced components in any pool system. EZ Pools carries pool ball valves from Pentair, Hayward, Praher, and more to fit most residential pipe sizes and configurations. Browse our pool ball valves and get free 2-day shipping now and keep your pool plumbing under control all season long!

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Hayward TBB1015CPEG True Union Ball Valve - Side

What Are Pool Ball Valves and Where Are They Used?

A ball valve is the simplest and most reliable way to stop or start flow in a pool plumbing line. Inside the valve is a ball with a hole through the center — when the handle is turned parallel to the pipe, water flows freely; turn it perpendicular and the line is sealed. This makes ball valves ideal for isolating equipment like pumps, heaters, and filters for maintenance or winterization without having to drain the entire system.

Most residential pool plumbing uses 1.5" or 2" ball valves, and they are available in standard PVC, schedule 80, and union-style configurations. Union ball valves are the preferred choice for equipment connections since they can be fully removed from the plumbing without cutting pipe — a significant advantage when servicing or replacing equipment.

Choosing the Right Pool Ball Valve

The two most important factors when selecting a pool ball valve are pipe size and whether you need a standard or union-style valve. Standard ball valves glue directly into the plumbing and are best for fixed installations. Union ball valves have threaded union ends that allow the valve to be removed and reinstalled without cutting pipe, making them the better choice anywhere equipment access is a consideration.

Material matters too — standard PVC handles most residential applications fine, but schedule 80 valves offer thicker walls and higher pressure ratings for demanding installations or commercial use. Most quality pool ball valves are rated for continuous chemical exposure, but it is still worth confirming the valve is rated for saltwater or chlorinated water if your pool uses aggressive sanitization. EZ Pools carries ball valves in a range of sizes and configurations from trusted brands to fit virtually any residential pool plumbing setup.

Praher 200-010 Single Union Ball Valve 2-inch

Frequently Asked Questions

What size pool ball valve do I need?
Most residential pool plumbing uses 1.5 inch or 2 inch ball valves. Measure your existing pipe diameter or check the markings on your current valve to confirm the correct size before ordering. Using the wrong size will require additional adapters or fittings.
What is the difference between a standard and union pool ball valve?
A standard ball valve glues directly into the plumbing and cannot be removed without cutting the pipe. A union ball valve has threaded union ends that allow it to be unscrewed and removed without cutting, making it much easier to service or replace. Union ball valves are the preferred choice for equipment connections.
Why is my pool ball valve hard to turn?
A stiff ball valve is usually caused by mineral buildup or degraded o-rings inside the valve. Applying a silicone-based lubricant to the stem and o-rings can often restore smooth operation. If the valve remains difficult to turn or starts leaking after lubrication, replacement is the most practical solution.
Can I use a pool ball valve to winterize my pool?
Yes - ball valves are commonly used to isolate and shut off equipment lines during winterization. Make sure all valves are fully open or fully closed before winterizing, as leaving a valve partially open can allow water to pool inside and freeze, potentially cracking the valve body.
What is a schedule 80 pool ball valve?
Schedule 80 refers to the wall thickness of the PVC used in the valve. Schedule 80 valves have thicker walls and higher pressure ratings than standard schedule 40 valves, making them a better choice for high-pressure applications or commercial pool installations. For most residential pools, standard PVC ball valves are sufficient.

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Shop Ball Valves

Shop our selection of pool ball valves and find the right fit for your pool plumbing system. From standard PVC to union-style and schedule 80 options, EZ Pools carries ball valves in a range of sizes from Pentair, Hayward, Praher, and more. Browse our pool ball valves and get free 2-day shipping now and keep your pool equipment isolated and under control all season long!

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