1-1/4" MNPT x 1-1/4" Hose Barb PVC Adapter (200 PSI)

Designed for reliable transitions between threaded pipes and hoses. Rated for 200 PSI @ 72°F and up to 140°F, this gray, NSF-listed fitting is commonly used in car wash water treatment centers and RO systems

SKU: P-WAT-2376
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$2.69

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The 1-1/4" MNPT x 1-1/4" Hose Barb PVC Adapter is a versatile and durable pipe fitting designed for effective fluid transfer in various systems. Constructed from high-quality PVC (Polyvinyl Chloride), this adapter is resistant to corrosion, chemicals, and rust, making it suitable for demanding water applications. Its gray color is typical for PVC fittings.


This adapter features a 1-1/4-inch Male National Pipe Taper (MNPT) threaded connection on one end, allowing for a secure, leak-free connection to female-threaded pipes or components. The other end is a 1-1/4-inch Hose Barb, designed to accept flexible hoses of corresponding inner diameter, securing them with a clamp for a tight seal.


Engineered for reliable performance, this PVC adapter has a maximum pressure rating of 200 psi at 72°F and can withstand temperatures up to 140°F. It adheres to key industry standards including ASTM D26098, ASTM D1784, and is NSF 51, 61 Listed, ensuring its quality and suitability for potable water and food-grade applications. Within car wash systems, it is a crucial component used in the water treatment center and the RO (Reverse Osmosis) system, facilitating efficient plumbing connections.

  • Product Type: Adapter, Pipe Fitting
  • Material: PVC (Polyvinyl Chloride)
  • Pipe Size (Nominal): 1-1/4 inches
  • Connection 1: MNPT (Male National Pipe Taper)
  • Connection 2: Hose Barb
  • Maximum Pressure: 200 psi @ 72°F
  • Maximum Temperature: 140°F (60°C)
  • Color: Gray
  • Standards & Certifications: ASTM D26098, ASTM D1784 Standard, NSF 51, 61 Listed
  • Application: Water treatment center, RO (Reverse Osmosis) system in car wash facilities.


  • Durable PVC Construction: Offers excellent chemical resistance and long service life.
  • Versatile Connections: Seamlessly connects threaded pipes to flexible hoses.
  • High Pressure & Temperature Rating: Suitable for up to 200 PSI @ 72°F and 140°F.
  • NSF Listed: Approved for potable water and food-grade applications, ensuring safety.
  • Corrosion Resistant: Will not rust or corrode, ideal for water treatment environments.
  • Essential for Water Systems: Commonly used in RO systems and water treatment centers within car washes.

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