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How to DIY furnace prime or bleed if you ran it dry, after fill up. My first DIY video, I hope it helps! If you would like to support me:Locally themed appar...
- 3 min
- 127.8K
- BristolAuthentic401
Dan explains how to do a bleed-start on your oil furnace.https://curtisoilpropane.com/Video concept, direction and script by Surge Communications.https://sur...
- 7 min
- 993.7K
- Surge Communications
JJ Powell Inc. technician teaches you how to bleed or remove the air from the fuel line of an oil furnace. This is done when a new oil furnace is installed o...
- Overview
- Prepare to Bleed the Furnace
- Bleed the Furnace
An in-depth guide to safely and effectly bleed your oil furnace
If you’ve tried the furnace reset button, checked to make sure there is fuel oil and your furnace still won’t start, don’t fret. Before you call the repairman or start shopping for a new furnace, check the fuel source and make sure the line to the furnace is void of air. Running low on or being out of fuel can cause a furnace to not restart even after you replenish the fuel supply. You may simply need to bleed an oil furnace line and start it up again.
Turn the furnace off before starting any work on the
Depending on your model, you may need to flip a switch near your furnace or turn it off at the breaker. You should also turn off the gas using the shut-off valve connected to the gas line.
Locate the bleed screw on the fuel pump near where the fuel line comes in.
The screw is usually a small nipple-like screw.
Place a small bucket or pan under the bleed screw.
The bucket will catch any fuel that sputters out as you bleed an oil furnace.
Use a small crescent wrench or pliers to slightly loosen the bleed screw.
Make sure the screw remains on the pump and is only a little loose, so it doesn’t fall completely off when you bleed the oil furnace.
Push the reset button on the furnace to turn it back on.
As the furnace starts to suck fuel in, air and fuel will spit out of the bleed screw.
Keep your pliers or wrench on the screw ready to tighten it. This will also ensure the screw remains in place, if you did loosen it too much.
If the furnace cycle ends before the air and fuel mixture stops sputtering, you’ll need to push the reset button again to continue the bleed process until the furnace pushes out all the air from the line.
- 7 min
- 373.5K
Insert the bleed key into the valve of your furnace and turn it counterclockwise slowly. This will gradually open the valve and allow any trapped air to escape from your oil boiler system. As you do this, listen carefully for any hissing sounds which indicate that air is being released from the bleeder.
Apr 4, 2024 · Steps to bleed an oil furnace. Turn off the furnace and wait for it to cool down. Ensure the oil tank is filled. Wear safety gloves and glasses to protect against spills. Gather necessary tools: a 3/8" or 7/16" wrench, clear tubing, clean container for oil, and rags for cleanup. Oil Furnace Clean and Tune!
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Feb 22, 2022 · Let it drain into the bucket until a solid stream of oil comes out. If the furnace cycle stops before the oil flows out smoothly, you’ll need to push the reset button again. Sometimes it can take a few cycles for it to run totally clean. Tighten the screw once the air is out of the lines. Your furnace should be running well.
