Small leaks can allow air to seep into the pipes over time.
Once the water is flowing, let it run for a minute or two. The water might be slightly discolored (brownish or milky). This is normal; the milky appearance is just tiny air bubbles that will settle. Let it run until it's clear. how to unblock an airlock in water system
: A sudden, significant drop in flow rate, often affecting only hot or cold taps—not both. Small leaks can allow air to seep into the pipes over time
If you attempt the hose method and water starts pouring out of your attic overflow pipe, stop immediately—you may have a faulty coil in your cylinder or a blockage elsewhere. This is normal; the milky appearance is just
Before you start dismantling your kitchen, confirm the issue. An airlock typically manifests in one specific tap (usually the hot water tap in the kitchen or bathroom), while the cold water runs fine. If no water is coming out anywhere, you likely have a supply issue, not an airlock.
Turn off the cold tap first, then the hot tap, and carefully remove the hose. Method 3: The "Taps and Toilets" Method