The Apollo ExpansionPEX™ EPXVS1238C is a premium straight stop valve designed for cold-expansion PEX-A plumbing systems. Featuring a 1/2″ PEX barb inlet and a 3/8″ compression outlet, this valve provides a secure, leak-free shutoff for fixtures such as faucets and toilets. Made from lead-free, dezincification-resistant brass, it ensures durability, compliance, and smooth operation in potable water applications.

Key Features

• Straight Stop Valve Design: Ideal for fixture shutoff points, providing easy maintenance and control.
• PEX-A to Compression Transition: Connects 1/2″ PEX-A tubing to 3/8″ compression outlets for supply lines.
• Lead-Free Brass Construction: Safe for potable water systems; corrosion-resistant for long-term reliability.
• Cold-Expansion Compatibility: Designed for PEX-A tubing and expansion rings; requires approved expansion tools.
• Quarter-Turn Operation: Smooth on/off control for quick shutoff.
• High-Performance Rating: Handles up to 200 psi and 200 °F for residential and light commercial systems.
• Code-Compliant: Meets ASTM F1960 and major plumbing standards.

Specifications

• Connection Type: PEX Barb × Compression
• Material: Lead-free brass
• Nominal Size: 1/2″ PEX × 3/8″ Compression
• Valve Type: Straight stop valve
• Maximum Temperature: 200 °F
• Maximum Pressure: 200 psi
• Installation Method: Cold-expansion with approved expansion tools and rings

Applications

• Potable Water Systems: Hot and cold water shutoff for sinks, toilets, and other fixtures.
• Fixture Supply Lines: Perfect for connecting PEX-A tubing to standard 3/8″ compression supply lines.
• Service Valves: Ideal for isolating fixtures for maintenance or repair.

Installation Notes

• Use only with PEX-A pipe and compatible expansion rings.
• Requires an approved expansion tool; not suitable for crimp or clamp systems.
• Apply proper tightening to compression outlet for leak-free performance.
• Do not attempt dry-fitting—expansion is required for proper PEX connection.