Low Boiler Pressure: Causes, Effects, and Solutions

Fix any boiler issues with Fredericks Fuel

If you have a boiler in your home here in Northern New Jersey it is in your best interest to not let its pressure get too low. Maintaining optimal boiler pressure helps your heating system perform better, which, in turn, helps make your home more comfortable in the winter. This sounds like something most of us want and strive for, right?

Here at Fredericks Fuel we certainly think so. Therefore, let’s take a look at what causes low boiler pressure, how low boiler pressure can impact your home and how you can go about fixing any boiler pressure issues.

What causes low boiler pressure and how do I fix it?

There are a few universal problems a homeowner can run into with his or her boiler that can contribute to low boiler pressure. This includes:

• A faulty expansion tank: Boilers have either expansion vessels or tanks. These get filled with air and their purpose is to absorb excess hot water as it expands during heat production. When this tank doesn’t work properly, your boiler’s pressure may drop. The best way to keep this from happening is with regular maintenance from a professional service.
• Water levels getting too low: When the water levels in your boiler get too low, your pressure gauge will give you low readings. Typically, bleeding radiators, leaks and fill valves that aren’t working properly will contribute to low water levels. If your boiler’s water levels are constantly dropping, you may be dealing with an underlying issue that should be fixed by a professional. Otherwise, topping up the system with additional water should optimize pressure.
• A pressure relief valve that isn’t working: A pressure relief valve is supposed to automatically open and release pressure when there is too much pressure buildup in a boiler. When this valve isn’t working properly, boiler pressure can decrease. It is best practice to routinely check to make sure that your pressure relief valve isn’t leaking or corroding. If it is you should consider replacing it.
• Leaks: As you may already suspect, leaks from your boiler, pipes or radiator valves can cause boiler pressure to drop. Regularly inspect your boiler and pipes for puddles of water and corrosion. Call in a professional to repair any noticeable leaks.
• Trapped air: Sometimes too much air can accumulate in your boiler system and that can cause pressure to decrease. You can fix this by bleeding your radiators and releasing the trapped air.

What happens when boiler pressure drops?

As we said initially, maintaining optimal boiler pressure helps your boiler work and function properly. While low boiler pressure isn’t necessarily dangerous, it is certainly something you want to try to avoid.

With low pressure, your heating system will have to work harder than necessary and that contributes to both wear and tear and your boiler’s lifespan. You’ll also notice higher energy bills – something no homeowner wants.

Pressure that is too high also contributes to wear and tear on your heating system. It can also cause leaks and leaks can lead to water damage.

Fredericks Fuel can fix your boiler issues

Whether you are having an issue with boiler pressure or just need a regular boiler repair, Fredericks Fuel can help.

Contact us today to learn more about the home boiler services we offer throughout Northern New Jersey.