The 1-inch PEX A Expansion Plug is a high-quality fitting designed to cap and seal PEX pipes securely. Made from polyphenylsulfone (PPSU), a durable thermoplastic, this plug ensures leak-free, long-lasting performance in potable and non-potable water distribution systems.

Features & Benefits

High-Quality & Durable Material – Manufactured from PPSU (Polyphenylsulfone), a premium thermoplastic known for its heat resistance, impact strength, and chemical durability.

Leak-Free & Secure Connection – Precision-machined to create a tight seal that prevents leaks, pressure loss, and contamination in plumbing systems.

Fast & Easy Installation – Simply use a PEX A expansion tool to secure a PEX ring (not included) over the barbed plug end, ensuring a reliable, water-tight seal.

Versatile Applications – Ideal for residential, commercial, and industrial plumbing, including:

• Potable water systems (kitchens, bathrooms, laundry rooms)
• Radiant heating systems
• HVAC and air distribution
• Underground water lines
• Natural gas applications (where permitted by code)

Industry-Approved & Certified – This plug meets ASTM F1960 standards, ensuring compliance with industry regulations for PEX A expansion fittings.

Why Choose Metpure?

At Metpure, we are dedicated to providing high-quality plumbing solutions for DIYers, contractors, and professionals. Our extensive product line includes PEX fittings, water filtration systems, tubing, and plumbing accessories designed for long-lasting durability and performance. With competitive prices and industry-approved products, Metpure is the trusted choice for all your plumbing needs.