John Guest PSEI0420E ProLock 1/2 in. CTS Polyethylene Coupling

Product Description

The John Guest ProLock PSEI0420E is a 1/2 inch CTS Polyethylene Coupling designed for secure and easy connections. This coupler uses twist-to-lock technology for hot and cold water plumbing and hydronic heating applications.

• Twist-to-lock technology
• Suitable for hot and cold water
• Compatible with PEX, CPVC, and copper pipes

Product Highlights

This coupling features a collet with stainless steel teeth that grips the pipe when fully inserted and an EPDM O-Ring providing a permanent, leak-proof seal. It allows easy disconnection without additional tools by simply twisting the cap a quarter turn and depressing the collet against the fitting.

Product Information

Standard Information

• Brand: John Guest
• Category: Coupling
• Connection Type: CTS

Technical Specifications

• MPN: PSEI0420E
• Pressure Rating: 160 psi at 73°F, 100 psi at 180°F, 80 psi at 200°F
• Color: Black
• Material: Plastic
• Size: 1/2 inch
• Country of Origin: United Kingdom
• Use Cases: Hot and cold water plumbing, hydronic heating applications