If you’re a frequent reader of our blog, you’ll know that we often discuss alarming sounds in a furnace that require prompt attention. One of these is a booming sound in a gas furnace. That’s because this sound is often made by a gas furnace’s delayed ignition. What you’re hearing is literally a mini explosion when something is impeding the furnace’s ability to ignite when it’s supposed to.
There are many possible causes for delayed ignition. No matter what the cause is, one thing is for certain: delayed ignition is something that should be addressed ASAP. Delayed ignition can potentially lead to a fire in your home. It can also cause damage to your furnace when it’s subjected to these constant mini-explosions. Let’s go over 4 possible causes.