CPVC Pipe (2026)
CPVC (chlorinated polyvinyl chloride) pipe is designed for hot and cold water supply lines in residential plumbing systems. It handles temperatures up to 200F, making it suitable for hot water distribution. CPVC uses solvent-weld connections similar to PVC but with its own specific cement and primer.
Key Features
- Rated for hot and cold water supply
- Handles temperatures up to 200F
- Corrosion-resistant
- Solvent-weld connections
- Lower cost than copper
Specifications
Applications
- Hot water supply lines
- Cold water supply lines
- Residential water distribution
- Water heater connections
- Fixture supply lines
Installation Overview
Cut with a plastic tubing cutter for clean cuts. Apply CPVC primer (not PVC primer) to both surfaces, then apply CPVC cement and join with a quarter-turn twist. Allow proper cure time before pressurizing.
Pros & Cons
Pros
- ✓ Handles hot water temperatures
- ✓ Less expensive than copper
- ✓ Easy solvent-weld connections
- ✓ Corrosion-resistant
Cons
- ✗ More brittle than PEX
- ✗ Cannot be used outdoors (UV sensitive)
- ✗ Requires specific CPVC cement
- ✗ Not universally code-approved
Top Brands
Code Requirements
Must meet ASTM D2846 for water supply. Not permitted in some jurisdictions. Cannot be exposed to UV light. Support intervals per code based on pipe size and orientation.
Buying Tips
Always use CPVC-specific primer and cement, never PVC products. Check local codes before choosing CPVC as some areas restrict its use. Allow full cure time before pressurizing the system.
Frequently Asked Questions
Related Guides
Plumbing Guide: Common Issues, Cost & When to Call a Plumber
Fix common plumbing problems and know when to call a pro.
Read articleSeptic System Guide: Types, Maintenance, Cost & Signs of Failure
Maintain your septic system properly to avoid costly repairs and replacement.
Read articleWater Softener Guide: Types, Cost, Salt vs Salt-Free & Sizing
Choose the right water softener to protect your plumbing and appliances.
Read article