Airlock In Plumbing System

Arthur, a man who considered himself handy because he owned a cordless drill and knew what a molly bolt was, stood before the sink. He turned the tap. A burst of air hissed out, followed by a violent thwack as the pipes shuddered, and then... silence. No water.

Arthur fetched a hammer. He gave the pipes a tentative tap. Tink. airlock in plumbing system

He scrambled to turn it off. Silence returned, save for the drip-drip-drip of his sodden shirt. Arthur, a man who considered himself handy because

If only your hot water is failing (cold works fine) and you have a combination boiler: silence

He stood there, dripping, clutching his wrench, feeling like a war veteran who had seen the horror of the trenches.

An airlock in a plumbing system is a pocket of trapped air that obstructs or completely stops the flow of water through your pipes. Because water is denser and heavier than air, it cannot easily push through these bubbles, especially in low-pressure systems.