Description
Brass PEX Compression Fittings: Tool-Free Connections for Reliable Plumbing
Brass PEX compression fittings revolutionize PEX installations by combining the durability of dezincification-resistant brass with the simplicity of compression technology. These fittings eliminate the need for expensive expansion or crimping tools, making them ideal for professionals and DIY enthusiasts who require secure, leak-proof connections without specialized equipment.
This guide covers everything you need to know about brass PEX compression fittings, from their unique design benefits to proper installation techniques.

Why Choose Brass PEX Compression Fittings?
1. No Special Tools Required
Save Money: Eliminates need for costly crimping or expansion tools
Save Time: Make connections in seconds without tool setup
Work Anywhere: Perfect for tight spaces and emergency repairs
2. Universal PEX Compatibility
Works seamlessly with PEX-A, PEX-B, and PEX-C
Suitable for all PEX tubing brands and manufacturers
Consistent performance across different tubing types
3. Superior Brass Construction
DZR Brass (Dezincification Resistant): Ensures long-term reliability
Corrosion-Resistant: Suitable for potable water and heating applications
High-Pressure Rating: 160 PSI at 73°F (125 PSI at 180°F)
4. Demountable & Reusable
Easy Disassembly: Simplify repairs and modifications
Reusable Components: Fitting bodies can be reused with new compression rings
Test-Friendly: Make temporary connections for system testing
Technical Specifications
| Parameter | Specification |
|---|---|
| Material | DZR Brass (CW510L) |
| Temperature Range | -20°F to 200°F (-29°C to 93°C) |
| Pressure Rating | 160 PSI @ 73°F / 125 PSI @ 180°F |
| Standards | NSF/ANSI 61, ASTM F1807, CSA B137.5 |
| Sizes Available | 1/4″ to 1″ (3/8″, 1/2″, 3/4″ most common) |
Product Range
Connection Types
Straight Couplings: PEX-to-PEX same size connections
Reducing Couplings: Connect different PEX sizes
Elbows: 90° and 45° for direction changes
Tees: Standard and reducing branch connections
Transition Fittings
PEX to Male Thread: Connect to threaded fixtures
PEX to Female Thread: Transition to iron pipe
PEX to Copper Sweat: Adapt to existing copper systems
PEX to PVC Thread: Connect to plastic piping systems
Specialized Components
Shut-Off Valves: Compression ball valves
Manifold Connectors: Manifold interface fittings
Repair Couplings: Emergency repair solutions
Step-by-Step Installation Guide
Required Tools
PEX tubing cutter ($15-25)
Two adjustable wrenches ($20-40)
Deburring tool ($5-15)
Measuring tape ($5-10)
Installation Steps
Cut Tubing Square
Use sharp PEX cutter for clean cut
Ensure perfect 90-degree cut angle
Deburr and Clean
Remove internal and external burrs
Wipe tubing end clean
Slide On Components
Slide compression nut onto tubing
Follow with compression ring (olive)
Insert Tubing
Push tubing fully into fitting body
Ensure bottomed contact
Tighten Nut
Hand-tighten compression nut
Final tighten 1.5-2 turns with wrench
Verify Connection
Check for proper insertion depth
Ensure straight alignment
Applications
Residential Plumbing
Fixture Connections: Under-sink and toilet supplies
Water Heater Hookups: Simple connections without tools
Appliance Connections: Ice maker, dishwasher, washing machine lines
Heating Systems
Radiator Connections: Easy valve installations
Zone Valve Hookups: Simple maintenance access
Manifold Installations: Multiple connection points
Commercial Use
Temporary Systems: Construction water supply
Equipment Connections: Commercial appliance hookups
Maintenance Repairs: Quick fix solutions
Special Applications
Mobile Homes: Vibration-resistant connections
Marine Applications: Reliable in confined spaces
Emergency Repairs: Fix leaks without special tools
Quality Assurance
All our brass PEX compression fittings undergo rigorous testing:
Pressure Testing: 500 PSI burst pressure minimum
Thermal Cycling: 1,000 cycles (33°F to 180°F)
Pull-Out Testing: 200+ pound retention force
Material Certification: NSF/ANSI 61 compliant
Lead-Free: Meets Safe Drinking Water Act requirements
Professional Tips
Installation Best Practices
Support Properly: Use hangers within 12 inches of fittings
Avoid Stress: Ensure straight, strain-free connections
Check Alignment: Verify proper alignment before tightening
Test System: Pressure test before concealing connections
Maintenance Advice
Inspect Annually: Check for leaks during maintenance
Reuse Carefully: Replace compression rings when reusing
Stock Spares: Keep common sizes for emergency repairs
Why Choose Our Fittings?
Premium Quality: CNC machined from DZR brass
Complete Selection: All sizes and types in stock
Technical Support: Expert advice available
Fast Shipping: Most orders ship same day
Satisfaction Guarantee: 100% quality commitment
IFAN factory started in 1993. And IFAN has workshop 120000 square meter with 610 staff. IFAN can design and produce all plumbing pipe and fitting include PPR,PVC,CPVC PPSU HDPE PEXA PEXB PERT pipe and fitting ,brass fitting, brass ball valve ,heating system , gas system , sanitary faucets and hose, In the past 30 Years, IFAN has never forgotten his mission-To protect health and safety. And IFAN factory use best materials to produce high quality pipe and fittings with automatic production line and high tech quality control machines. The most important,IFAN can guarantee that all pipes and fittings manufactured by IFAN are qualified. More information pls feel free contact us Whatsapp.
Related products
- Brass Fitting
IFAN High Quality 1/2″-2″ Brass Fitting Elbow







