Condensation is the most common way water enters a fuel tank, and it’s more likely to happen in the spring and summer:

· How it happens

When the temperature outside rises faster than the temperature inside the tank, warmer air fills the empty space in the tank. This air draws in moisture from the humid air, which then condenses into water droplets on the inside of the tank.

· How to prevent it

To reduce condensation, you can:

· Provide shade for the tank

· Use Hydrosorb filters

· Regularly inspect and clean your fuel tanks

· Check that the fuel cap fits correctly and is water tight

· Check and replace the tank filters as often as they require

· Get your tank inspected once a year when you get your boiler serviced

· Avoid letting the fuel run too low