A replacement anti-vortex pool drain cover needs to match your existing drain—not just look similar. The options below are all Waterway covers or grates listed as 8-inch models, with differences in color, part number, and whether a collar is included. Before ordering, check your drain’s measurements and mounting details, and confirm that the replacement is approved for your pool and drain assembly.
Table of Contents
Quick Comparison
| Product | Listed details | Best fit for |
|---|---|---|
| Waterway Anti-Vortex Grate, White | 8-inch round; part #642-2150V | Replacing a matching white Waterway grate |
| Waterway Anti-Vortex Grate with Collar, Black | 8-inch round with collar; part #640-2311V | Installations that specifically require the matching collar |
| Waterway Anti-Vortex Cover, Light Gray | 8-inch; part #640-2317V | A matching light-gray replacement |
| Waterway Anti-Vortex Main Drain Cover, White | 8-inch; part #642-2150 | A white cover when the part number matches your existing setup |
| Waterway Anti-Vortex Cover, Dark Gray | 8-inch; part #640-2319-D | A matching dark-gray replacement |
Our Picks: Best Anti Vortex Pool Drain reviews
1. Waterway Anti-Vortex 8-Inch Grate in White
This Waterway grate is listed as an 8-inch round, white anti-vortex main drain grate, part #642-2150V. It is a replacement cover component, not a complete drain assembly. Its simple white finish may suit pools where the existing cover is also white and the part number matches.
The most useful detail here is the specific part number. The listing does not provide additional measurements or mounting details, so the 8-inch label alone is not enough to confirm fit. Compare the replacement with your existing cover and check the drain manufacturer’s specifications before ordering.
This is a reasonable first option if you need the white 642-2150V version. A similarly named Waterway white cover appears among the other picks, so take care to match the exact part number rather than choosing by color alone.
Pros:
- Listed as an 8-inch round grate
- White finish for a matching replacement
- Specific Waterway part number is provided
- Useful option when replacing the same listed model
Cons:
- Mounting and screw details are not included in the supplied description
- Must not be treated as a complete drain assembly
Verdict: Choose this grate when your existing cover is the matching Waterway 642-2150V; verify the fit and safety requirements before installation.
2. Waterway 8-Inch Black Grate with Collar
This Waterway grate is listed as an 8-inch black model with a collar, part #640-2311V. The collar is the main feature that sets it apart from the other options here. It may be relevant to a replacement job that calls for that specific part, but the listing details do not explain the collar’s dimensions or how it connects to a particular drain body.
Do not assume that a collar makes this model a universal fit. Check whether your existing drain assembly requires one and confirm the part number with the pool or drain manufacturer. The listing is marked unavailable in the supplied product information, so check its current status before relying on it as your replacement choice.
Compared with the plain white and gray covers in this group, this is the only listed option that explicitly includes a collar. That makes exact compatibility especially important: the extra component is useful only if it matches your installation.
Pros:
- Listed as an 8-inch round model
- Includes a collar according to the product title
- Black finish for a matching installation
- Part number is specified
Cons:
- Collar fit and dimensions are not detailed in the supplied information
- Listing is marked unavailable in the supplied product data
Verdict: Consider this option only when your drain requires the matching black 640-2311V grate with collar and you can confirm compatibility.
3. Waterway 8-Inch Anti-Vortex Cover in Light Gray
This Waterway option is listed as an 8-inch anti-vortex drain cover in light gray, part #640-2317V. Its main practical distinction is the color. If your current cover is light gray, a matching replacement can help maintain a consistent look around the pool.
The product information does not specify mounting details, exact measurements beyond the 8-inch size, or included hardware. Before buying, compare the part number and the shape of your existing cover. A similar diameter does not guarantee that the mounting pattern or drain-body connection will match.
The listing is marked unavailable in the supplied product data. If it is not offered when you shop, look for the exact part number through an appropriate pool-supply source rather than substituting another gray cover based on appearance alone.
Pros:
- Listed as an 8-inch Waterway cover
- Light-gray finish for a color-matched replacement
- Specific model number helps with compatibility checks
Cons:
- Mounting and hardware information is not provided
- Listing is marked unavailable in the supplied product data
Verdict: This is a color-specific choice for owners who can verify that part #640-2317V matches their existing drain cover.
4. Waterway 8-Inch Anti-Vortex Main Drain Cover in White
This white Waterway main drain cover is listed as an 8-inch model, part #642-2150. It is closely related by name and size to the first pick, which is listed as part #642-2150V. Because the supplied information does not explain the difference between those part-number versions, do not assume they are interchangeable.
The straightforward white design may suit a pool with a matching cover, but color is only one part of the decision. Check your existing part number, measurements, and attachment points. The listing is marked available in the supplied product data, though marketplace availability can change.
Compared with the collar model, this listing does not mention a collar. That may make it a simpler match for a setup that uses the plain cover style, but the product description does not provide enough detail to confirm installation compatibility on its own.
Pros:
- Listed as an 8-inch main drain cover
- White finish suits a matching cover replacement
- Part number is provided
- Does not list a collar as an included feature
Cons:
- The difference between this part number and 642-2150V is not explained
- Mounting details are not included in the supplied description
Verdict: Choose this white cover when your drain documentation calls for part #642-2150, and confirm it is the correct version before installing.
5. Waterway 8-Inch Anti-Vortex Cover in Dark Gray
This Waterway cover is listed as an 8-inch dark-gray main drain anti-vortex cover, part #640-2319-D. It is the dark-color option in this group and may be a visual match for a pool that already uses a dark-gray cover.
The supplied description does not include screw spacing, the cover’s full dimensions, or installation instructions. Use the model number to check compatibility rather than relying on the listed diameter or finish. The product data marks this listing unavailable, so confirm that it can be purchased before planning a replacement around it.
Unlike the white models, this option is easy to distinguish by color and part number. Still, a color match cannot establish that the cover is suitable for your particular drain assembly or pool setup.
Pros:
- Listed as an 8-inch Waterway cover
- Dark-gray finish for a matching replacement
- Specific part number is provided
Cons:
- Mounting details are not included in the supplied information
- Listing is marked unavailable in the supplied product data
Verdict: This is a possible match for a dark-gray installation only if part #640-2319-D is confirmed for your drain and the listing is available.
How to Choose an Anti-Vortex Pool Drain Cover
Match the exact part number
Start with the part number on your existing cover, pool documents, or drain manufacturer’s information. These options include several Waterway models that share an 8-inch size but have different part numbers. The two white options are especially easy to confuse because their names are similar, yet the supplied details do not explain whether they are interchangeable.
Check more than the listed diameter
An 8-inch listing is a helpful starting point, not proof of fit. Compare the cover’s shape and overall dimensions with your existing part, and verify the mounting points and attachment method. If those details are missing from the product description, ask the seller or manufacturer before ordering.
Confirm whether you need a collar
One option here explicitly includes a collar; the other listings do not mention one. Check your current drain assembly and its specifications to determine whether a collar is required. Do not assume that a collar-equipped cover will fit a setup designed for a plain cover, or the other way around.
Choose color after compatibility
The listed colors are white, black, light gray, and dark gray. A close color match can make a replacement blend in, but appearance should come after confirming the model, dimensions, and attachment details. A cover that looks right may still be the wrong part for your drain.
Check safety and approval requirements
An anti-vortex label by itself does not confirm that a cover is approved for your exact pool, drain, or installation. Check the product’s applicable safety documentation and the rules that apply to your pool. If you are unsure, ask a qualified pool professional to identify the correct replacement and install it. Do not use a damaged, loose, or missing drain cover.
Remember that these are covers, not complete drain systems
The products are described as grates or covers. They should not be treated as complete drain assemblies. If the drain body, mounting hardware, or other components are damaged or do not match, a replacement cover alone may not address the problem. Have the full setup checked when necessary.
Frequently Asked Questions
Are these complete pool drain assemblies?
No. The supplied product descriptions identify them as grates or covers. Check whether you need only a cover or a larger replacement component before ordering.
Does an 8-inch cover fit every 8-inch drain?
No. The listed diameter does not confirm matching screw locations, shape, attachment method, or drain-body compatibility. Check the exact part number and installation specifications.
What is the difference between the two white Waterway options?
One is listed as part #642-2150V and the other as part #642-2150. The supplied information does not explain the difference, so verify the correct version with your drain documentation or the manufacturer.
Should I choose a cover with a collar?
Only if your drain setup calls for the matching collar. Confirm the required part and fit before choosing the black 640-2311V option.
Can I choose a cover based on color alone?
No. Color can help with appearance, but it does not establish compatibility. Match the part number, dimensions, and attachment details first.
Does “anti-vortex” confirm that a cover is safe for my pool?
Not by itself. Verify that the specific cover is approved for your drain and pool setup, and follow applicable safety requirements. Ask a qualified pool professional if you cannot confirm the match.
What should I do if the exact replacement is unavailable?
Check with the manufacturer or a qualified pool-supply professional for an approved equivalent. Avoid substituting a cover based only on its color or diameter.
Conclusion
For a white replacement, the Waterway 642-2150V and 642-2150 are the most direct options in this group, but their similar names make part-number verification important. The black collar model and gray covers are more specialized choices for matching installations. Before buying any of them, confirm the exact drain model, mounting details, and safety approval; when in doubt, have a pool professional identify the correct cover.
