#4 Regular Winter Plug SP204 The Technical Products #4 Regular Winter Plug is a versatile and durable expansion plug designed to seal 3/4-inch and 1-inch pipes during pool and spa winterization. Made with high-quality rubber and corrosion-resistant hardware, it reliably protects plumbing lines from freeze damage through the winter season. Key Features & Benefits Fits both 3/4-inch and 1-inch pipes, making it suitable for various plumbing lines including returns, skimmers, and main drains. High-quality rubber plug expands to create a strong, leak-proof seal that prevents water intrusion and freezing damage. Built to last with stainless steel bolts and washers combined with a corrosion-resistant nylon wing nut for easy installation and durability. Simple, tool-free installation—just turn the wing nut to expand the plug and secure it tightly. Reusable over multiple seasons, providing cost-effective winter protection and peace of mind. Specifications Model: #4 Regular Winter Plug SP204 Fits Pipe Size: 3/4-inch and 1-inch PVC pipes Materials: Durable rubber, stainless steel hardware, nylon wing nut Application: Designed for pool and spa plumbing winterization to prevent freeze damage and costly repairs This winter plug is an essential component for effective pool closing, helping safeguard plumbing lines so your system stays safe and ready for spring.
