PEX Plumbing Connection Lines
Mercury Plastics manufactures durable, high-performance plumbing connection lines engineered with the same cross-linked polyethylene (PEX) used in our Merflex® PEX tubing.
Each connection line is produced in our Northeast Ohio facilities and designed to provide dependable performance, fast installation, and long-lasting value for residential and commercial potable water systems.
Cross-Linked PEX + Leak-Free Construction
Our plumbing connection lines combine the proven durability of cross-linked PEX with one-piece, leak-free construction for maximum system integrity. Designed for easy installation and consistent quality, these assemblies deliver exceptional performance in a wide range of plumbing applications.
Durable & Dependable
- Cross-linked polyethylene (PEX) ensures long service life
- Manufactured in Northeast Ohio for full process control
- Leak-free one-piece design eliminates joints and potential failure points
- Engineered for superior burst strength and flexibility
Fast & Easy Installation
- Installs quickly with minimal tools or time
- Flexible construction simplifies routing
- Optional captive connection nuts available in metal or plastic
Safe & Compliant
- Meets NSF 14 & NSF 61 standards for potable water
- ASME Standard A112.18.6 compliant for flexible water connectors
- Certified for use in both residential and commercial systems
Plumbing Connection Product Options
Our plumbing connection lines combine the proven durability of cross-linked PEX with one-piece, leak-free construction for maximum system integrity. Designed for easy installation and consistent quality, these assemblies deliver exceptional performance in a wide range of plumbing applications.
Double-Ended Connection
Quick, reliable, and ideal for potable water applications. This patented one-piece design delivers strength and dependability backed by cross-linked PEX technology.
Features:
- Captive connection nuts (metal or plastic)
- One-piece bulb options: basin, compression, or tank style
- ASME Standard A112.18.6 compliant
Flexible Basin / Tank Supply Lines
Engineered for dependable sink or toilet connections, these one-piece PEX assemblies offer flexibility and reliability.
Features:
- One-piece PEX design eliminates leaks
- Available in multiple lengths
- Designed for potable water systems in accessible locations
MEZ Connection with Slip Joint Washer
Designed for fast, tool-free installation and long-term dependability.
Features:
- Quick, flexible installation
- Available with standard riser or soft rubber slip joint nose cone
- Captive attachment nuts — no ferrules required
- Leak-free, joint-free design
Compliance & Listings
- NSF Standard 61: Drinking Water System Components – Health Effects
- NSF Standard 14: Drinking Water System Components – Performance
- ASME Standard A112.18.6: Flexible Water Connectors
Get Started with Mercury Plastics
Contact Mercury Plastics today for additional information or to receive a sample of one of our plumbing connections.