How do I clear an airlock in my hot water system?

The first way to clear an airlock, involves attaching a hose pipe to the hot and cold taps at a sink in your home and turning the cold tap on so that the water flows through the hose pipe, into the hot water tap, removing the air.Click to see full answer. Beside this, what causes airlock in hot water system?A cold or hot water airlock can be cause by the tank running dry or air bubbles with the hot water system from a heating system where the pipe work runs up and then back down causing the air to trap and not vent out as to what should be happening.Similarly, will an airlock clear itself? Persistent air locks can be cleared using mains water pressure. You need a garden hose connected to a mains pressure cold tap (most garden taps are mains pressure). There are two ways to flush the air out. Thereof, how do I remove air from my water heater? How to Get Rid of Air in the Hot Water Line Shut the Power Off. It’s important to first turn off the power source for the water heater. Let it Cool. Leave the cold water feed on to allow the tank to fill. Locate the Drain Tap. The drain tap is usually located at the bottom of the unit. Open the Drain Tap. Fill the Tank. What causes air in pipes?Sputtering faucets, irregular water flow and vibrating pipes may indicate that you have air in your water lines. The high water demand created by turning on all of your faucets causes a rush of water through your pipes that carries the air bubbles out of your water supply.