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Mar 17, 2026 - 05:49 AM
We’ve provided several answers to questions related to Waterway 1.5" Union Nut, 415-4000 , see some other helpful Q&A related to this product.
Question: What is the size of this union nut?
Answer: The union nut has a size of 1.5 inches. This size is standard for many pool and spa plumbing applications, making it easy to find compatible fittings and ensuring a secure fit for your system.
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