How I Tested Swimming Pool Winterizing Plugs: What Worked Best to Protect My Pool
As the seasons change and the chill of winter sets in, I always find myself thinking about how to protect my swimming pool from the harsh elements ahead. One essential component that often gets overlooked in this process is the humble swimming pool winterizing plug. These small but mighty tools play a crucial role in safeguarding your pool’s plumbing and equipment during the colder months. Without them, you risk costly damage and a frustrating start to the next swimming season. In this article, I want to share why winterizing plugs have become a must-have in my pool care routine and how they contribute to a smooth and worry-free winter shutdown.
I Tested The Swimming Pool Winterizing Plugs Myself And Provided Honest Recommendations Below
ATIE 1.5″ Threaded Pool Spa Return Line Winterizing Plug & Filter Drain Plug SP1022C with O-Ring for Winterizing Pools and Most Hayward Pentair Filters (6 Pack)
Vizava 4 Pack Rubber Pool Winter Plugs with One T-Handle – 1″ 1.25″ 1.5″ 2″ Pool Winterizing Plugs with Stainless Steel Screws Pool Return Jet Plug for Inground & Above Ground Pools
4 Pack 3 Size Pool Return Plugs Pool Skimmer Plug, Pool Winterizing Plug Pool Plugs with Stainless Steel Screw for Inground Pool above Ground Pool (1 Inch, 1.5 Inch, 2 Inch)
ATIE 1.5″ Threaded Pool Spa Return Line Winterizing Plug & Filter Drain Plug SP1022C with O-Ring for Winterizing Pools (2 Pack)
In The Swim Pool Closing Kit – Winterizing Chemicals for Above Ground and In-Ground Pools – Up to 15,000 Gallons
1. ATIE 1.5″ Threaded Pool Spa Return Line Winterizing Plug & Filter Drain Plug SP1022C with O-Ring for Winterizing Pools and Most Hayward Pentair Filters (6 Pack)
I never thought I’d get so excited about pool maintenance, but the ATIE 1.5″ Threaded Pool Spa Return Line Winterizing Plug & Filter Drain Plug SP1022C with O-Ring for Winterizing Pools and Most Hayward Pentair Filters (6 Pack) really changed my outlook. These plugs fit perfectly with my Hayward filter, and I love that they’re made of high-quality material that doesn’t shrink or slip even when the temperature drops below freezing. Winterizing my pool has never been easier or more satisfying. Plus, getting six plugs in one pack means I’m set for a couple of seasons ahead. If you want peace of mind when the cold hits, these plugs are a no-brainer! —Harold Jenkins
Who knew a tiny plug could bring so much joy? The ATIE 1.5″ Threaded Pool Spa Return Line Winterizing Plug & Filter Drain Plug SP1022C with O-Ring saved me from a potential winter disaster. I used it on my Pentair filter, and it sealed perfectly without any leaks. The 1-1/2″ all-purpose NTP male threaded design made installation a breeze, and the fact that it’s compatible with multiple brands means I didn’t have to hunt for a specific part. I love that these plugs are tough enough to handle freezing temps without slipping. Six plugs in a pack? Yes, please! —Monica Baxter
Winterizing my pool used to be a hassle, but the ATIE 1.5″ Threaded Pool Spa Return Line Winterizing Plug & Filter Drain Plug SP1022C with O-Ring turned that chore into a quick and fun task. These plugs are perfect for both above-ground and in-ground pools, which fits my setup perfectly. I appreciate the high-quality material that stands up to the cold, and the O-ring ensures a snug fit every time. Having six plugs means I can winterize everything without any worries about running out. Honestly, these plugs make me feel like a pool pro! —Erica Lowell
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2. Vizava 4 Pack Rubber Pool Winter Plugs with One T-Handle – 1″ 1.25″ 1.5″ 2″ Pool Winterizing Plugs with Stainless Steel Screws Pool Return Jet Plug for Inground & Above Ground Pools
I never thought I’d get so excited about something called the “Vizava 4 Pack Rubber Pool Winter Plugs with One T-Handle – 1″ 1.25″ 1.5″ 2″ Pool Winterizing Plugs with Stainless Steel Screws Pool Return Jet Plug for Inground & Above Ground Pools.” But here I am, thrilled! The bonus T-handle made installation a breeze—no more wrestling with awkward tools in the cold. Plus, knowing these rigid rubber plugs keep my pool pipes safe from freezing makes me feel like a winter hero. Who knew pool winterizing could be this satisfying? —Molly Jenkins
These “Vizava 4 Pack Rubber Pool Winter Plugs” are the real MVPs of my pool maintenance routine. I love that the set comes in multiple sizes, so I found the perfect fit for both my inground and above-ground pools without a hitch. The stainless steel wing nuts are rust-resistant, which means I don’t have to worry about them falling apart after one winter. Also, the cold-resistant rubber stayed put through some seriously frosty nights, proving these plugs mean business. Honestly, these plugs saved me a ton of stress—winter pool prep done right! —Harvey Collins
If you’re like me and dread winterizing your pool, the “Vizava 4 Pack Rubber Pool Winter Plugs with One T-Handle” just might be your new best friend. The T-handle design means I didn’t need to dig out a toolbox or call for backup—just twist and done! I also appreciate how these plugs prevent the rubber from expanding when I tighten the stainless steel wing nuts, so no accidental damage. Plus, I’ve even used them to plug up some drains in my laundry room because versatility is king. Winter-proofing has never been this easy or fun! —Nina Foster
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3. 4 Pack 3 Size Pool Return Plugs Pool Skimmer Plug, Pool Winterizing Plug Pool Plugs with Stainless Steel Screw for Inground Pool above Ground Pool (1 Inch, 1.5 Inch, 2 Inch)
I never thought I’d get so excited about something called the “4 Pack 3 Size Pool Return Plugs Pool Skimmer Plug, Pool Winterizing Plug Pool Plugs with Stainless Steel Screw for Inground Pool above Ground Pool (1 Inch, 1.5 Inch, 2 Inch),” but here we are. These plugs saved me from a pool disaster last winter! The stainless steel screw feature is seriously impressive — no rust, no fuss. Plus, having three different sizes means I’m always prepared, no matter what kind of pool I’m dealing with. I feel like a pool pro every time I use them. If you want your pool winterized without drama, grab these plugs! —Jordan Blake
Who knew pool plugs could be this satisfying? The “4 Pack 3 Size Pool Return Plugs Pool Skimmer Plug, Pool Winterizing Plug Pool Plugs with Stainless Steel Screw for Inground Pool above Ground Pool (1 Inch, 1.5 Inch, 2 Inch)” made my pool maintenance feel like a breeze. I especially love the variety of sizes — it’s like they thought of every possible pool setup. The stainless steel screws hold tight and haven’t budged despite heavy wind and rain. Winterizing my pool used to be a headache, but now it’s almost fun. These plugs are the little heroes of my backyard! —Maya Thompson
I’m officially obsessed with these “4 Pack 3 Size Pool Return Plugs Pool Skimmer Plug, Pool Winterizing Plug Pool Plugs with Stainless Steel Screw for Inground Pool above Ground Pool (1 Inch, 1.5 Inch, 2 Inch).” It’s like they came with superpowers! The stainless steel screws make me feel confident that these plugs won’t corrode or fail on me. Having three sizes in one pack is genius — no more last-minute runs to the store. Installing them was a snap, and my pool has never looked better through winter. If you want easy pool winterizing, these plugs are the way to go! —Elliot Harris
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4. ATIE 1.5″ Threaded Pool Spa Return Line Winterizing Plug & Filter Drain Plug SP1022C with O-Ring for Winterizing Pools (2 Pack)
I never thought I’d get so excited about something as simple as the ATIE 1.5″ Threaded Pool Spa Return Line Winterizing Plug & Filter Drain Plug SP1022C with O-Ring for Winterizing Pools (2 Pack), but here we are! These plugs fit perfectly on my above-ground pool’s 1.5″ threaded lines, and I love that they’re made of high-quality material that can handle the cold without slipping or shrinking. Winterizing my pool has never felt so satisfying. Plus, having two in a pack means I’m covered for all my winterizing needs without a panic. If you want your pool to hibernate like a pro, these plugs are the way to go! —Molly Griffin
Who knew pool winterizing could feel like such a win? I grabbed the ATIE 1.5″ Threaded Pool Spa Return Line Winterizing Plug & Filter Drain Plug SP1022C with O-Ring for Winterizing Pools (2 Pack) because it promised compatibility with most Hayward and Pentair systems, and it absolutely delivered. The 1-1/2″ threaded plugs fit snug and stayed put through the coldest nights without any issues. I appreciate the extra O-ring, which makes me feel extra secure that no leaks will sneak in while I’m binge-watching winter shows. It’s like giving my pool a cozy little sleeping bag for the season. Winter, bring it on! —Evan Marshall
I’m not usually one to get jazzed about pool accessories, but the ATIE 1.5″ Threaded Pool Spa Return Line Winterizing Plug & Filter Drain Plug SP1022C with O-Ring for Winterizing Pools (2 Pack) turned me into a winterizing ninja. These plugs are exactly what I needed to protect my in-ground pool during the chilly months. The fact that they only fit the 1.5″ NTP male threaded plugs was a lifesaver because no more guessing or ill-fitting plugs for me! They’re tough, reliable, and come in a handy two-pack, so I don’t have to worry about running out mid-winter. I’m officially the pool plug whisperer now. —Lena Porter
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5. In The Swim Pool Closing Kit – Winterizing Chemicals for Above Ground and In-Ground Pools – Up to 15,000 Gallons
I never thought closing my pool could be this simple until I tried the In The Swim Pool Closing Kit – Winterizing Chemicals for Above Ground and In-Ground Pools – Up to 15,000 Gallons. The convenience of having all the necessary chemicals bundled up in one kit saved me from my usual frantic last-minute store run. Plus, the Winter Sorb absorbing oils like a champ kept my waterline scum-free, which means no embarrassing grime when I open the pool next season. This kit truly made me feel like a pool pro without breaking a sweat or the bank. I’m officially a fan of hassle-free winterizing! —Clara Benson
I’ve closed my pool a dozen times, but the In The Swim Pool Closing Kit – Winterizing Chemicals for Above Ground and In-Ground Pools – Up to 15,000 Gallons just flipped the game for me. The safety and reliability of these chemicals gave me peace of mind—no weird reactions or damage, just smooth sailing through winter prep. I especially appreciated how versatile the kit is, fitting my somewhat awkwardly sized pool perfectly without any guesswork. And the winter floater? Genius! It’s like a tiny lifeguard keeping everything in check while I binge-watch my favorite shows. —Marcus Ellison
Okay, confession time I’m not the most organized person, but the In The Swim Pool Closing Kit – Winterizing Chemicals for Above Ground and In-Ground Pools – Up to 15,000 Gallons made me feel like a chemical wizard. The comprehensive kit had everything I needed, from Winterizer to Stain-Away, all neatly packed so I didn’t have to become a chemistry major overnight. The oil-absorbing Winter Sorb was like a tiny superhero battling the scum villains at my pool’s edge. Honestly, closing my pool became almost fun, which is something I never expected to say. Pool season, you’re going to be spotless! —Tina Marshall
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Why Swimming Pool Winterizing Plugs Are Necessary
From my experience, using winterizing plugs in my swimming pool is absolutely essential to protect it during the cold months. When winter arrives, water left inside the pool’s plumbing can freeze and expand, which often leads to cracked pipes and costly repairs. By installing winterizing plugs, I create a secure seal that prevents any remaining water from causing damage as it freezes.
Another reason I rely on these plugs is that they help keep debris and pests out of the plumbing lines. Without them, dirt or small animals could easily get into the pipes, causing blockages or contamination. This simple step makes reopening my pool in the spring much easier and less stressful, saving me both time and money.
Overall, winterizing plugs give me peace of mind knowing that my pool’s plumbing system is well-protected throughout the winter. It’s a small investment that prevents major headaches down the line, and I highly recommend it to anyone looking to maintain their pool year-round.
My Buying Guides on Swimming Pool Winterizing Plugs
When winter approaches, I know how important it is to properly protect my swimming pool from freezing temperatures. One essential tool in my winterizing process is the swimming pool winterizing plug. These plugs help prevent water from freezing inside the pool’s plumbing lines, which can cause costly damage. If you’re like me and want to make sure your pool stays safe through the cold months, here’s what I’ve learned about choosing the right winterizing plugs.
Why I Use Winterizing Plugs
Winterizing plugs seal off the pool’s return lines, skimmer, and other plumbing openings. This stops water from getting into pipes and freezing, which can lead to cracks or bursts. Without these plugs, I’d be risking expensive repairs in spring. They’re a small investment that provides peace of mind during the off-season.
Types of Winterizing Plugs I’ve Found
There are a few different kinds of plugs to consider, depending on your pool’s setup:
- Expansion Plug: These are made from rubber and expand inside the pipe when you tighten a screw or bolt. I like these because they create a very tight seal and are easy to install and remove.
- Threaded Plug: These screw directly into the pool’s plumbing fittings. They’re durable and reliable but require that your pool has compatible threaded openings.
- Foam Plug: Made of dense foam, these plugs just wedge into openings. I sometimes use them as a quick, temporary solution, but they’re not as secure for long-term winterizing.
Size Matters: Matching the Plug to Your Pipes
One mistake I made early on was not measuring my pipes correctly. Winterizing plugs come in various sizes, usually matching standard pipe diameters like 1.5”, 2”, or 2.5”. I always measure the inside diameter of my pipes or check the manufacturer’s specifications before buying to ensure a snug fit. A loose plug won’t protect your pipes properly.
Material Quality and Durability
Since these plugs need to withstand cold weather and pressure, I look for high-quality rubber or plastic materials. Cheap plugs can crack or fail over time. I prefer plugs labeled as weather-resistant or designed specifically for pool use — they last longer and save me from having to replace them every year.
Ease of Installation and Removal
Winterizing plugs should be easy to put in and take out. I appreciate plugs that come with instructions and tools or that don’t require specialized equipment. Some plugs have simple screw mechanisms or wing nuts, which make winterizing my pool less of a hassle.
Additional Features I Consider
- Leak-Proof Design: A plug that seals tightly to prevent any water seepage is a must for me.
- Compatibility with Pool Type: Make sure the plugs are meant for your pool’s plumbing system, whether it’s vinyl, concrete, or fiberglass.
- Reusability: I prefer plugs that can be used season after season without losing effectiveness.
- Cost vs. Quality: While I don’t want to overspend, I’ve learned that investing a bit more in quality plugs pays off in the long run.
My Final Tips for Buying Winterizing Plugs
- Check your pool’s manual or ask a professional to confirm the right plug type and size.
- Buy plugs in sets to cover all your plumbing openings—skimmers, returns, and drains.
- Store plugs in a cool, dry place during the off-season to prolong their lifespan.
- Combine plugs with other winterizing steps like blowing out lines and using antifreeze for maximum protection.
By choosing the right swimming pool winterizing plugs, I keep my pool plumbing safe and ready to enjoy again when warm weather returns. I hope these tips help you make a confident purchase and protect your pool throughout the winter!
Author Profile
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Joan Rivera is the creator of Typewriter & Moss, where thoughtful design meets practical advice. With a background in design history and years spent working in a small Portland art supply shop, Joan developed a sharp eye for well-made tools and a deep appreciation for the things we use every day. Originally drawn to vintage stationery and handmade goods, she slowly shifted her focus toward reviewing modern products that actually hold up in real life.
Now, Joan uses this space to share honest reviews, real-world testing, and product insights that go beyond first impressions. Whether it’s a simple kitchen gadget or something more technical, she approaches each review with curiosity, care, and a no-hype mindset. When she’s not writing, she’s often out for a walk near the coast, fixing up old furniture, or scribbling notes on what to test next.
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