How to Identify and Fix an Airlock in a Pump: Symptoms and Solutions
Learn how to recognize an airlock in your pump through symptoms and easy steps to bleed air and restore normal operation.
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You can suspect an airlock in a pump when there is a decrease in water flow, unusual noise, or the pump fails to start. To verify, check the pressure gauge for lower than normal readings or try to lightly tap the pump; if it starts, there might have been an air block. Bleeding the pump by opening a valve or the air vent (if equipped) can help remove the air, restoring normal operation. Ensuring the system is properly sealed can prevent future airlocks.
FAQs & Answers
- What causes an airlock in a pump? An airlock in a pump is caused when air becomes trapped inside the pump or piping system, preventing water from flowing properly. This usually happens due to leaks, improper system sealing, or after maintenance.
- How can I tell if my pump has an airlock? Signs of an airlock include decreased water flow, unusual noises, the pump failing to start, or lower than normal pressure readings on the pressure gauge.
- What is the best way to remove an airlock from a pump? The best method is bleeding the pump by opening a valve or air vent designed for this purpose. Lightly tapping the pump can sometimes help release trapped air as well.
- How can I prevent airlocks in my pump system? Ensuring that the pump system is properly sealed, regularly maintained, and that air vents are functioning correctly can help prevent airlocks.