How To Unblock An Airlock In Water System !!exclusive!! May 2026

The bathroom tap upstairs? Worked perfectly. The garden hose? A gushing torrent. But the kitchen tap was as dry as a bone.

A perfect, solid column of water poured out.

Higgins did. The water had nowhere to go because the rag was blocking the spout. It couldn’t flow out, so it did the only thing it could: it flowed backwards down the hot water pipe, pushing the airlock all the way back to the tank. how to unblock an airlock in water system

Leo grabbed a short length of garden hose and a pair of washing machine connectors. “We need a bridge,” he said.

High-pressure cold water surged through the hose, into the hot water pipe, and slammed into the trapped air bubble. The air bubble, which had been sitting there smugly, had no choice but to compress and then shoot backwards up the pipe, out through the open bathroom tap with a loud . The bathroom tap upstairs

“Now for the magic,” he said, and slowly turned on the cold water mains tap.

“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.” A gushing torrent

Whoosh.