: A sudden, significant drop in flow rate, often affecting only hot or cold taps—not both.
A standard garden hose and some duct tape (or a helper with strong hands). how to unblock an airlock in water system
“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 sudden, significant drop in flow rate,
Once the cold water is flowing steadily, open all the hot taps. : A sudden