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The Technical Products 4BT Winter Plug #4 is suitable for 3/4-inch and 1-inch pipes. This winter test plug is built with marine-grade stainless steel and rubber, which helps in preventing moisture damage during freezing conditions. It expands within pipes to ensure a secure fit and features a nylon wingnut along with a blow-through valve.
This plug is essential for winterizing swimming pools effectively, ensuring pool safety and cleanliness.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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