The Alpha 1.011126 Pressure Relief Valve (PRV) is a genuine 3-bar safety component designed to protect your heating system from over-pressurisation. When system pressure exceeds safe limits, the PRV automatically releases excess water to prevent damage to internal boiler components, pipework, and radiators.

A faulty or leaking PRV can lead to constant pressure loss, dripping discharge pipework, or safety shutdowns. Replacing it with this genuine Alpha valve restores safe system operation and reliable pressure protection.

Key Features

• Genuine Alpha 3-bar pressure relief valve

• Protects the system from over-pressurisation

• Automatically releases excess pressure for safe operation

• Helps resolve pressure loss, leaks, and safety lockouts

• Direct-fit replacement for quick installation

Compatible With

This PRV is suitable for the following Alpha boiler ranges:

• Alpha CB

• Alpha CD

• Alpha SY

Please check your boiler manual or confirm the part number (1.011126) to ensure correct compatibility.