How To Unblock An Airlock In Water System (TESTED)

“Well, how do we get the cork out?” grumbled Higgins.

And that’s how Leo saved the day, and why Old Man Higgins never called a plumber for a simple airlock again. how to unblock an airlock in water system

His grandson, Leo, who was visiting for the summer, poked his head under the sink. “It’s an airlock, Grandpa,” he announced. “A big bubble of air is stuck in the hot water pipe. It’s like a cork in a bottle. The water from the tank can’t push past it.” “Well, how do we get the cork out

“Simple physics,” Leo grinned. “Cold water pressure is usually 3 or 4 bar. Your gravity-fed hot water tank is only 0.5 bar. The cold water just bulldozes the air bubble back where it came from.” “It’s an airlock, Grandpa,” he announced

“Then you use the old plumber’s trick,” Leo said. He turned off both taps. Then he stuffed a wet rag firmly into the kitchen tap spout, sealing it as best he could.