Contents
How do you fix a delayed ignition on a furnace?
Delayed furnace ignition is an easy problem to avoid. All you need to do is have your furnace cleaned properly before turning it on each fall. A New Britain heating technician will clean the burners and ports and remove any dust, lint, rust or sulfur buildup that might block ignition and cause a delay.
What are some possible causes of delayed ignition?
Delayed ignition is usually caused by dirt or a minor fault. In most cases, a technician can solve the problem by performing some basic furnace maintenance or replacing a part. Others causes call for more extensive repair work. In a gas furnace, the air-to-fuel ratio may be off, making the gas hard to ignite.
How long should it take for a furnace to ignite?
Your furnace should start up within five minutes of you turning on your thermostat.
Is furnace delayed ignition dangerous?
They often indicate that your furnace is experiencing delayed ignition. Delayed ignition is caused by moisture building up in the furnace over a period of inactivity. It sounds like an explosion because that’s exactly what it is – excess gas catching fire inside your furnace, and it’s just as dangerous as it sounds.
Is my furnace going to explode?
Although it is possible for a gas furnace to either catch fire or explode, it’s highly unlikely. If there is a danger of this happening, the furnace will usually simply shut off—as it’s designed to. If you’ve got a good furnace and take care of it, you won’t have to worry about explosions or fires.
How do you know if your furnace ignitor is bad?
4 Signs of a Faulty Furnace Ignitor
- The Furnace Stops Running. When a furnace won’t run at all, check for a bad ignitor.
- Your Furnace Blows Chilly Air. Unless you’ve set your thermostat to COOL, your furnace should not blow cold air.
- Does Your Furnace Short Cycle?
- A No Glow Ignitor.
- We Can Replace Your Furnace Ignitor.
What happens if you have a delayed ignition in your furnace?
Delayed ignition occurs when that gas isn’t ignited immediately. This delay allows the gas to build up in the furnace until it finally ignites, causing a small explosion inside your furnace! Sounds scary, right? This mini-explosion can cause permanent damage to your furnace and poses a fire hazard to your home.
Why is the gas so slow to ignite in my furnace?
In most cases, a technician can solve the problem by performing some basic furnace maintenance or replacing a part. Others causes call for more extensive repair work. In a gas furnace, the air-to-fuel ratio may be off, making the gas hard to ignite. Incorrectly aligned or dirty burners are also slow to ignite.
Why does my furnace make a boom when I turn it on?
When all of this happens and the ports are not cleaned properly, gas will build up in the chamber after it is turned on and, when it finally ignites, create the small boom sound. It doesn’t just sound like an explosion – it is one – and if ignored, it can become incredibly dangerous. Delayed furnace ignition is an easy problem to avoid.
Why are my gas burners not turning on?
That corrosion builds up to the point that it starts to block the ports that feed gas into the burners. When these ports get blocked, the burners down the line cannot light and when you flip the switch, they won’t light immediately.