How To Unblock Central: Heating Pipes

Once your pipes are clear, take these steps to ensure the blockage does not return:

During installation or repairs, soldering flux, jointing compound, or small pieces of copper tape can enter the system. Step 1: Clear Simple Air Locks how to unblock central heating pipes

Air bubbles can gather at high points in your pipework. This creates a physical barrier that water pressure cannot push past. 4. Foreign Debris Once your pipes are clear, take these steps

Lay down heavy plastic sheeting and towels under the valves. Step 2: Place a bucket under the bleed valve

Turn off both radiator valves (the lockshield and the control valve). Step 2: Place a bucket under the bleed valve. Open it to depressurize. Step 3: Remove the radiator from the wall (drain it fully). Step 4: Take the radiator outside, lay it flat, and blast a garden hose through the bottom hole. You will be shocked by the black water that comes out. Step 5: Refit the radiator, refill the system, and add inhibitor.