What Is Qest Plumbing and Why Should You Be Concerned?
Jun 17, 2025 · 4 min read · If you live in a home built between the 1970s and 1990s, there's a chance your plumbing system includes Qest plumbing — a type of polybutylene piping that was once popular for its low cost and easy installation. However, as many homeowners have learn...
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