Low boiler pressure is one of the most frequent causes of boiler issues. Leaks and other boiler issues can cause a boiler to lose pressure over time, which can result in no hot water or central heating. Determining whenever a boiler loses pressure and how to fix it is essential for homeowners.
What causes a boiler to lose pressure?
Leaks
The pressure may decrease as a result of leaks in the system, whether they are in the pipes or the boiler itself. These leaks can be challenging to find, but an experienced engineer should be able to fix this as soon as possible.
Trapped air
Air becoming caught inside the radiators can occasionally cause the pressure in the system to drop. By bleeding the central heating system, which requires opening a radiator valve to let the air out, allowing it to escape.
Incorrect installation
A boiler may be vulnerable to losing pressure if it has not been installed properly. Poorly installed parts or pipelines may result in leaks and other issues that lower pressure.
How to fix boiler pressure
Depending on the underlying cause, several techniques can be used to fix low boiler pressure. Here are a few potential things you can do to fix this, these include:
- Restoring pressure by topping off the system with water. If the system has lost water and the pressure has fallen, topping the system's water level with new water can help.
- Bleeding the radiators can assist in releasing trapped air and restoring pressure if the pressure has reduced as a result of the buildup of air in the system.
- Repairing leaks. A qualified engineer should be able to locate and rectify any leaks in the system.
- It could be necessary to replace damaged parts like the expansion vessel or pressure release valve.
If you would like for us to help fix the loss of pressure on your boiler, please contact us on 01922 662840 and we'll be happy to help. Our heating engineers are available throughout Walsall, Cannock, Stafford and the surrounding areas.
