Best Drain Plugs for Pool Winterizing and Maintenance
Pool owners know that proper drainage and winterizing plugs help protect systems and preserve water quality. This guide highlights reliable drain plug options for above-ground and in-ground pools, with a focus on compatibility, durability, and ease of use. Explore five top picks and practical buying considerations to help you choose the right plug for your pool setup.
| Product | Brand | Connection Type | Size |
|---|---|---|---|
| XJJ Swimming Pool Drain Fitting | — | ID 1.5″ bottom; OD 1.0″ garden pipe | 1.5″ / 1.0″ |
| ATIE 1.5″ Threaded Pool Spa Return Line Plug | ATIE | 1.5″ NTP male threaded | 1.5″ |
| BlueStars SP1022C 1.5″ Pool Plug | BlueStars Store | 1.5″ NTP male threaded | 1.5″ |
| SP1022C 1-1/2″ Pool Filter Drain Plug Cap | — | 1-1/2″ NTP male threaded | 1.5″ |
| 2 Pack Rubber Pool Winter Plugs | — | Various sizes: 1.25″–1.5″ | 1.25″–1.5″ |
These options cover common connection standards (1.25″–1.5″ NTP threads), winterizing needs, and compatibility with popular pool brands. The following sections dive into each product’s details, benefits, and best-fit scenarios. Consider your pool type, piping layout, and climate when selecting plugs to ensure a secure seal and straightforward installation.
XJJ Pool Drain Fitting For Coleman Pools

The XJJ drain fitting is designed for Coleman above-ground pools, with a bottom connection sized at ID 1.5 inches and an outward connection of OD 1.0 inch to a garden pipe. This makes it suitable for setups that require coupling a pool bottom drain to garden hose-style drainage. Compatibility notes include compatibility with multiple Coleman frame and Fast-Set models, ensuring a broad fit for seasonal maintenance.
Key considerations: verifying the specific Coleman model compatibility (P6A1420, P6D1420, P6H1420, P6D1420ASS16, or F4D019B-03B), ease of installation, and ensuring a tight seal to prevent leaks during winterizing or regular drain-offs. Material quality and threading are oriented toward reliable, repeated use in outdoor environments.
ATIE 1.5″ Threaded Pool Spa Return Line Plug

ATIE offers a 1.5-inch all-purpose NTP male threaded plug designed for winterizing pools and fitting most spa return lines and filter drains. This 6-pack provides scalable options for service crews or multi-pool households. It’s commonly used to cap return lines or drain ports during cold months and is positioned as compatible with Hayward, Pentair, and other major brands.
Considerations include ensuring the plug’s O-ring integrity for a tight seal, compatibility with your filter system, and the availability of spare plugs for ongoing maintenance. The 1.5″ size aligns with standard winterizing configurations, helping prevent cold-related damage and leakage during inactivity.
BlueStars SP1022C 1.5″ Pool Plug (Pack of 7)

BlueStars SP1022C plugs are designed as winterizing solutions for a wide range of pool brands, including Hayward, Pentair, Jandy, and Waterway. This pack includes seven plugs with O-rings to ensure a reliable seal, helping to prevent water leakage and preserve circulation during cold months. The compatibility emphasis is a key selling point for owners with multiple filter brands or replacement needs.
Important considerations: verify model compatibility with your existing equipment, confirm the O-ring condition, and check that the thread dimensions match your pool’s drain ports. Having spare plugs on hand is advantageous for seasonal maintenance cycles and adjustments between pool configurations.
SP1022C 1-1/2″ Pool Filter Drain Plug Cap

This 1-1/2″ plug serves as a replacement for the Hayward SP1022C filter drain plug, providing a robust winterizing solution for filter drains and pool inlets. The plug materials are designed to withstand cold temperatures without slipping or shrinking, enabling a secure seal during winterization. Installation is straightforward: screw the plug into the socket hole and verify the seal to prevent leaks.
Considerations include compatibility with your pool’s drain and filter valves, as well as ensuring the plug’s threading matches the port. This option is suitable for owners seeking a direct replacement with proven performance in demanding winter conditions.
2 Pack Rubber Winter Plugs With T-Handle

This two-pack includes rubber winter plugs sized 1.5″ with a T-handle for quick installation and a stainless steel screw for secure retention. The set is designed to prevent freezing in pipes after drainage, making it suitable for both inground and above-ground pools. The plugs are intended for return jets and other drainage ports, enabling easy, tool-free operation with the included handle.
Key considerations: confirm the exact size against your pool ports (the set features 1.5″ plugs with a T-handle), check the rubber rigidity to resist cracking in extreme cold, and verify the stainless steel screws won’t corrode in your local water chemistry. The T-handle feature reduces installation effort in challenging spaces.
Buying Guide: Key Considerations for Choosing Pool Drain Plugs
- Size and thread compatibility: Most above-ground systems use 1.5″ NTP threads; in-ground and spa lines may vary. Always verify your port size and thread pitch before purchasing.
- Material and seal integrity: O-rings and rubber compounds should resist cold temperatures and chemical exposure. A good seal prevents leaks during winterizing and regular drainage.
- Brand compatibility: If your pool uses specific brands (Hayward, Pentair, Jandy, Waterway), choose plugs marketed as compatible to avoid fit issues.
- Replacement versus multi-pack: For seasonal maintenance, multi-packs reduce costs and ensure you have spare plugs on hand as gaskets wear out.
- Ease of use: T-handles and simple screw-in designs speed up installation and removal, especially for homeowners or service teams performing regular drain work.
- Durability in cold climates: Select plugs designed to withstand freezing temperatures and prevent cracking or splitting in winter months.
- Installation scenario: Consider whether you need to cap an inlet, drain line, or filter drain—different plugs and O-ring sizes address these needs.
- Maintenance compatibility: If you’re planning to switch between brands or equipment, confirm plug interchangeability to avoid port mismatches.
In summary, the best drain plugs balance size accuracy, seal reliability, and ease of installation. For Coleman-specific setups, the XJJ drain fitting provides direct bottom-to-garden-pipe compatibility. For winterizing across common brands, SP1022C-based plugs from BlueStars and SP1022C-cap variants offer versatile, consistent options. The rubber plugs with T-handles improve installation speed in tight spaces, while ATIE’s 1.5″ threaded plugs serve a broad winterizing audience. Matching the right plug to your pool’s port types ensures leak-free operations year-round.