Diversitech VAX-4 – 1/4" Schrader Access Valve with Copper Tail | Pack of 6

Keep your refrigeration circuits accessible and leak-free with the Diversitech VAX-4 Schrader access valve. Designed specifically for HVAC/R trade applications, this 1/4" valve features a quarter copper tail for fast, reliable brazing into copper pipework — giving engineers clean, permanent access points for pressure testing, charging, and system diagnostics.

Supplied in a pack of six, the VAX-4 is the go-to choice for installers who need a dependable, repeatable solution across multiple jobs or systems.

Key Features

• 1/4" Schrader valve — industry-standard thread for universal gauge and charging equipment compatibility
• Quarter copper tail — ready to braze directly into copper pipework for a permanent, leak-tight connection
• Trade-grade construction — built to withstand the pressures and temperatures of refrigeration and air conditioning systems
• Pack of 6 — cost-effective multi-pack for busy installers and trade stockists
• Diversitech quality — trusted by HVAC professionals worldwide

Typical Applications

• Split air conditioning systems
• Refrigeration circuits
• Heat pump installations
• Pressure testing access points
• Refrigerant charging and recovery

Professional installation by a qualified F-Gas engineer is recommended. Always follow local regulations and manufacturer guidelines when working with refrigerants.