Air Admittance Valves

LSP Products was founded by plumbers over 40 years ago with a focus on unparalleled innovation, superior product quality, and best-in-class service to the plumbing industry. Our primary focus is the new construction market where we develop products that make installations easy and provide significant cost savings to the plumbing/mechanical contractor. LSP has a manufacturing facility located in Monterrey, Mexico and a distribution center in Dallas, Texas. We are proud to offer many products designed and made in North America… Read more

• 2727 Chemsearch Blvd.,
  Irving, TX 75062
• (800) 854-3215(800) 854-3215
• (800) 243-1777
• lsp.cs@nch.com