3/4 inch x 1 inch PEX Polyalloy Insert Adapter Crimp x Manabloc

VIEGA 3/4" Polyaloy Adapter – PEX Crimp x Manabloc Connection for High-Performance Systems

Engineered to ensure secure integration between PEX tubing and VIEGA Manabloc distribution manifolds, the 3/4" Polyaloy Adapter offers precision fitment and chemical resistance for long-term system performance. This component is manufactured to support consistent flow rates while withstanding demanding service environments.

Constructed from reinforced polyalloy material, this adapter resists corrosion and thermal stress, making it well-suited for both residential and light commercial plumbing layouts. Its crimp-style PEX connection ensures compatibility with standard ASTM F1807 fittings and tools.

Professional-Grade Advantages

Contractors rely on fittings that deliver consistency, installation speed, and reduced failure points. The VIEGA polyalloy adapter provides measurable benefits in performance-driven installations:

• ✅ Exacting Tolerances – Machined for tight engagement, promoting leak-resistant connections.
• ✅ Rugged Build – Polyaloy formulation provides dimensional stability under varied thermal conditions.
• ✅ System Compatibility – Interfaces cleanly with VIEGA Manabloc panels and crimp-type PEX systems.
• ✅ Code-Approved – Meets applicable plumbing codes for potable water systems.
• ✅ Efficient Workflow – Simplifies manifold assembly, supporting fast-track project schedules.

Specifications

• Product Type: Supply Adapter – PEX Crimp x Manabloc
• Connection: ASTM F1807 Crimp x Manabloc Threaded
• Nominal Size: 3/4 inch
• Material: Glass-reinforced Polyaloy
• Certifications: Compliant with NSF 61, NSF 14, and CSA standards

Installation Overview

Installation should be performed using standard PEX crimping tools and procedures. Ensure the PEX end is properly deburred and aligned before crimping. Threaded connection to the Manabloc manifold requires attention to torque and sealing compound or tape as per manufacturer guidelines.

Use Case Scenarios

Commonly installed in centralized potable water systems using the Manabloc distribution model, this adapter is suitable for single- and multi-family housing projects. It supports balanced water delivery, simplifies line isolation, and facilitates future service without requiring system shutdowns.

Code Consideration

This fitting is lead-free compliant and certified for use in potable water systems under prevailing code requirements across North America.