Can you replace furnace ignitor?
Can you replace furnace ignitor? Don't worry—an ignitor that goes bad is common for most furnaces. Fortunately, you can replace the ignitor without replacing the full furnace. Most ignitors last about seven years. Keep reading to learn how you can tell if your furnace problem is a faulty ignitor. How can I tell if my furnace ignitor is bad? 4 Signs of a Faulty Furnace IgnitorThe 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....