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I always cleaned mine by taking it out and blowing thru it from both directions. If you cant blow thru it easily or see thru when held up to a light its time to replace it. I always kept a couple of new ones handy just in case. they are fairly cheap.
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∙ 15y ago
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What is required for good furnace maintenance?
For one to maintain a good furnace, one must: clean the furnace regularly, replace or clean the filter, service the furnace once or twice a year, make sure that the furnace is kept clean and dry to name a few.
Why does an oil furnace require a step-up transformer?
An oil furnace has a step up transformer to generate a spark to ignite the oil spray at the tip of the nozzle.
Why does oil furnace backfire?
this can be caused by a worn nozzle or worn electrodes or both. You should have both replaced
How do you determine nozzle size for oil furnance?
This is determined by the BTU output of your furnace. There is a tag of the furnace normally by the burner assembly that will tell you the BTU. Here is a list of nozzle sizes for BTU. You can get more information on oil furnaces from my book, Forced Hot Air Furnace Troubleshooting and Repair at Amazon: BTU Nozzle size (gallon per hour) 50,000 0.35 55,000 .040 60,000 .045 65,000 .050 70,000 .050 75,000 .055 80,000 .060 85,000 .060 90,000 .065 95,000 .070 100,000 .070 110,000 .080 115,000 .085 120,000 .085 125,000 .090 130,000 .090 135,000 1.0 140,000 1.0 You also need to consider the angle of the cone at the end of the burner assembly.This is the angle of spray for the nozzle. The nozzle will have a marking on it such as 1.0/80 which means 1.0 GPH with an angle of 80 degrees. Be sure to match the nozzle spray angle to your furnace.
How do you get rid of furnace oil smell?
Hire someone to clean your furnace and give it a tune up. Worked for me.
Can furnace filters be reused?
Yes they can. Furnace filters help to divert dust and keep your furnace and air conditioning coil clean. As long as it doesn't break, a furnace filter can be reused.
What mixes air and gas in a gas fired furnace?
The adjustable air inlet at the end of each of the burner tubes near the fuel nozzle.
What are furnace filters for?
Furnace filters control the amount of particles that pass out of the furnace and into the house. They are essentially the first line of defence in keeping the air in your home clean.
How do you clean a condensate line in the furnace?
Use compressed air.
What furnace maintenance can I do myself?
You can check the air filter every 3-4 weeks. A dirty filter can cause your furnace to overheat. Learn how to clean your furnace, dirt is the number one cause for furnace malfunctioning.
How do you flush the car radiator?
Disconnect it and use a garden hose with a power nozzle. That should clean it out.
How to clean the pilot on your furnace?
Remove the pilot assembly from the furnace and clean it up. You need to be careful when putting it back on at the gas valve so as not to crossthread the screw. Take a thin wire and clean the pilot orifice, then use a brush or sandpaper on the thermocouple.
