Air in a water system will cause a jerky flow of water from a tap and make knocking noises. Usually, the air can be driven out by letting the tap run for a time. Very often the problem is in the hot tap in the kitchen. If this is so, it maybe possible to get … Read more
Air locks can occur in radiators, towel rails and in the circulating pump of a heating system. They must be cleared by means of “bleeding” the air. Radiators. If any one radiator or a heated towel rail fails to reach normal temperature when others are operating correctly, suspect an air lock. First check that the … Read more