homedepot.com
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Home Depot is a home‑improvement retailer offering extensive plumbing resources, including how‑to guides, installation tips, and videos, along with a wide selection of pipes, fittings, tools, and related plumbing supplies.
More resources on Pipe Fitting
Pipefitter Forum
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Advanced Pipe Fitting
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Pipe Fitting Basics
Learn pipe fitting basics, techniques, and best practices with this free online course. Perfect for beginners in plumbing and construction.
familyhandyman.com
Family Handyman is a DIY home-improvement site offering practical, step-by-step tutorials and tips on plumbing, carpentry, electrical, and other home projects. It features pipe-fitting guides, troubleshooting advice, and how-to videos with photos.
Plumbing Technology: Design and Installation
Plumbing Technology: Design and Installation - A book resource