Altecnic 15mm x 1/2 Press/Temp Relief Valve 309470 CST

For unvented hot water cylinders, safety is paramount. The Altecnic 15mm x 1/2 Press Temp Relief Valve 309470 CST is a critical safety component, designed to protect systems from excess pressure and temperature. This vital pressure and temperature relief valve combines Altecnic's reliability with modern press-fit technology.

Essential, High-Speed Safety for Unvented Systems

An unvented hot water cylinder operates under pressure, requiring careful management. A Temperature and Pressure (T&P) Relief Valve, or pressure and temperature relief valve, is essential for compliant installation, acting as the system's failsafe. The robust Altecnic 15mm x 1/2 Press Temp Relief Valve 309470 CST performs this crucial role. If internal temperature or pressure rises dangerously (typically 90°C or 7 bar), the valve automatically opens, safely discharging water to prevent catastrophic failure.

The Altecnic 309470 CST model's press-fit connection offers a significant advantage. This technology allows secure, permanent, flame-free joints in seconds, proving invaluable on busy sites or domestic installations, without compromising quality.

Built for Professional Peace of Mind

The Altecnic 15mm x 1/2 Press Temp Relief Valve 309470 CST invests in safety and compliance. Manufactured by Altecnic, a field leader, its quality and performance are assured. When installing or servicing any unvented system, such as a Gledhill cylinder, fitting a new, certified temperature and pressure (T&P) valve, like the 309470 CST, is best practice. It ensures system safety and provides peace of mind for installers and end-users. This valve is fundamental to the system's safety controls, working in conjunction with components such as the expansion vessel.

Critical System Protection: Automatically discharges water to prevent dangerous over-pressurisation or excessive temperature in unvented cylinders.

Fast, Flame-Free Installation: Features a 15mm press-fit connection for a secure joint in seconds without the need for heat.

Trusted Reliability: Manufactured by Altecnic, a leading brand in plumbing and heating controls, ensuring long-life performance.

Ensures Compliance: A crucial component for any compliant and safe unvented hot water system installation.

Technical Specifications

• Product: Temperature & Pressure Relief Valve (a key pressure and temperature relief valve)
• Manufacturer: Altecnic
• Part Number: 309470 CST
• Connections: 15mm x 1/2" Press-Fit
• Application: Unvented Hot Water Cylinders
• Typical Pressure Setting: 7 bar
• Typical Temperature Setting: 90°C

At Heating & Plumbing World, we supply genuine, certified parts for safe, efficient installations. This valve is a key product in our range of safety valves and essential plumbing fittings. For help verifying the correct part, contact our expert team via our contact page.