How to Bleed a Radiator: Step-by-Step Guide

Radiator cold at the top but warm at the bottom? Learn how to bleed your radiators in 6 simple steps, improve your heating efficiency, and know when to call a Gas Safe engineer.

Written by Gas Safe registered engineers at Next Gen Boilers Ltd. Serving Manchester, Salford and Greater Manchester.

Why Do Radiators Need Bleeding?

What You Will Need

Step 1: Turn the Heating On

Step 2: Turn the Heating Off

Step 3: Locate the Bleed Valve

Step 4: Open the Valve

Step 5: Check the Boiler Pressure

Step 6: Test the Heating

When to Call a Professional

Need a boiler engineer? Call: 07305 687 331 — Gas Safe registered, covering Greater Manchester.