1/2 inch PEX Polyalloy Insert Tee Crimp x Crimp x Crimp

1/2 inch PEX Polyaloy Crimp Tee – ASTM F2159 Polymer Tee for Potable Water Systems

The 1/2 inch PEX Polyaloy Crimp Tee is a polymer fitting used in PEX plumbing systems to create a branch connection from a main line. Designed for ASTM F1807/F2159 crimp or clamp installation methods, this tee offers a durable and corrosion-resistant solution for both hot and cold potable water distribution.

Constructed from polysulfone-based polyalloy (commonly referred to as polyaloy), the fitting exhibits high tensile strength, dimensional stability, and long-term hydrostatic performance under normal system pressures. It is lead-free and certified for use in potable water applications per NSF/ANSI standards.

Technical Specifications

• Material: Polyaloy (polyphenylsulfone blend)
• Size: 1/2 inch x 1/2 inch x 1/2 inch
• Connection Type: ASTM F1807/F2159 Crimp or Clamp (Barbed)
• Pressure Rating: 160 psi @ 73°F; 100 psi @ 180°F
• Certifications: NSF/ANSI 61, NSF/ANSI 372, ASTM F2159

Product Features

• ✅ Corrosion-Resistant Polymer Body – Suitable for aggressive water conditions where brass or metal fittings may degrade over time.
• ✅ Uniform Barb Profile – Engineered for consistent sealing with copper crimp rings or stainless steel cinch clamps.
• ✅ Lead-Free Material – Compliant with national low-lead regulations for potable water systems.
• ✅ Thermoplastic Durability – Resists mineral buildup, chemical degradation, and thermal cycling in domestic plumbing systems.

Installation Guidelines

Use with ASTM F1807 or F2159-approved crimp rings or stainless steel cinch clamps. Confirm pipe and barb cleanliness before assembly. Ensure full insertion into fitting sockets and verify crimp ring alignment per tool manufacturer’s specifications. Compatible with standard PEX crimp tools.

Typical Applications

Used in residential and commercial PEX plumbing systems to create branch lines from main supply runs. Appropriate for hot and cold water service, including connections to fixtures, manifolds, and appliances. Suitable for slab, wall, and ceiling installations.

Material Considerations

Polyaloy fittings are selected for their resistance to dezincification and pitting corrosion, particularly in regions with high-chloride water or acidic pH levels. Their non-metallic construction also eliminates the risk of electrolysis in dissimilar-metal systems.

The 1/2 inch PEX Polyaloy Crimp Tee is a code-compliant, non-metallic alternative to brass fittings. It supports efficient and reliable branch installations in pressure-rated PEX systems while minimizing maintenance and material degradation over time.