Technical Products #9 Blow Thru Winter Plug With Nylon Wing Nut

Efficient Winterization with a Secure Blow Thru Plug — Nylon Wing Nut Included

The Technical Products #9 Blow Thru Winter Plug with Nylon Wing Nut is a purpose-built inline plug designed for winterizing pool and spa plumbing. It enables a controlled seal in a line while allowing air to be blown through to clear water, helping protect valves, pumps, and other equipment from freeze damage. The #9 designation reflects its size as the standard option for common pool and spa line installations. Use this plug during seasonal shutdowns as part of a complete line-blowout workflow.

Construction, Compatibility and Integration

Engineered for durability in wet outdoor environments, this plug features a robust body paired with a nylon wing nut for corrosion resistance and easy, tool-free installation and removal. It is designed to fit into standard winterization ports used in pool and spa systems, making it a reliable component of your closing routine. The combination of a secure seal and a user-friendly wing nut supports quick service during seasonal maintenance without specialized tools. This plug integrates into typical pool and spa winterization sequences as a trusted inline shut-off point during air blow-out procedures.

Ideal For

• System compatibility — Works with common pool and spa line ports used in winterization
• Replacement or maintenance context — Serves as a dedicated winterization plug during seasonal closures
• Performance outcome — Enables reliable blow-through to clear water from lines
• Installation or configuration context — Wing nut design provides tool-free installation and removal

Key Features

• Model designation: #9 plug for standard line sizes in pool and spa systems
• Nylon wing nut included for corrosion resistance and easy hand-tightening
• Corrosion-resistant plug body suitable for outdoor, moist environments
• Designed to support controlled line blow-out during winterization workflows
• Compatible with common winterization ports found in pool and spa plumbing

Technical Products is known for durable, purpose-built pool and spa plumbing components designed to withstand harsh water and weather conditions. The brand focuses on reliable seals, straightforward installation, and components that integrate smoothly into standard pool and spa system setups.