Water System - How To Clear An Airlock In Hot

An airlock happens when a pocket of trapped air prevents hot water from flowing from your cylinder or boiler to your taps. This is common after draining your system for repairs, a mains pressure drop, or refilling the system after a vacation.

Is your hot water tap sputtering, running cold, or producing no water at all while the cold tap works fine? You likely have an airlock . how to clear an airlock in hot water system