To maintain the integrity of the thermocouple, it is important to regularly clean and inspect it. Using a thermocouple to measure temperature requires a clean, non-corroded surface for accurate readings. Once the thermocouple is dry, use a lubricant, such as graphite, to protect the surface and enable it to last longer.įollowing these steps and tips for cleaning a thermocouple will ensure that your thermocouple will continue to give you accurate and consistent readings. Rinse the thermocouple off with warm water and allow to air-dry or pat dry with a clean cloth.ĥ. Again, use only a mild cleaner to ensure a thorough clean.Ĥ. To remove any remaining dirt or debris, use a soft-bristled brush, toothbrush or fine-grit sandpaper. Be sure to thoroughly clean all areas of the thermocouple.ģ. Use a cloth dampened with alcohol or a mild cleaner, such as soapy water, to gently wipe the thermocouple’s surface. Using safety goggles, protective gloves, and any other protective clothing, carefully inspect the thermocouple for any physical damage.Ģ. Make sure the thermocouple is turned off and cool before attempting to clean it. Here is a step-by-step guide that can be used to help you properly clean a thermocouple:ġ. How do you clean a dirty thermocouple?Ĭleaning a dirty thermocouple requires attention to detail, as any dust, dirt or oxidation buildup can affect its accuracy and efficiency. If a clogged pilot light is not successfully cleared, a trained technician should be contacted for assistance. It is important to take caution when cleaning a clogged pilot light, as a spark can easily ignite the gas buildup. Regular maintenance and cleaning of pilot lights can help to prevent clogs, while clogs can often be cleared away by clearing away any blockages or removing any built-up soot. This can cause the flame to become weak, unstable, or to go out altogether, preventing the appliance from functioning. Pilot lights are typically used to start gas-fired heating appliances, and if dirt, debris, or a build-up of soot accumulates over time, the pilot light can become clogged. If dirt or debris begins to build up on the pilot again, repeat the above steps to ensure the pilot is always performing optimally. When finished, it is important to inspect the pilot regularly to ensure it is working properly. If it is broken or uneven, the air will not be heated as efficiently. Make sure that the flame is even and unbroken. Then, follow the manufacturer’s instructions to light the pilot. Once the pilot assembly is reattached, turn the power back on and set the thermostat to the desired temperature. Once the pilot is clean and free of debris, reinstall it in its original position.īe sure to securely tighten any screws to ensure a proper fit. Next, remove the pilot from the assembly and use a cotton swab or small brush to remove any debris from inside the assembly. Use a vacuum with a narrow nozzle attachment to gently clear away any dust or debris from the pilot assembly. Once the power is off, examine the pilot assembly carefully to identify any dirt or debris that could be impeding the flame. To clean the pilot, begin by shutting off the gas and electricity to the furnace. How do you clean a furnace pilot?Ĭleaning a furnace pilot is an important part of maintaining a safe and efficient heating system. If everything looks good and is working properly, reattach the access panel and you’re done!. Make sure everything is tightened properly, then turn on your gas supply and relight the pilot light. Securely tighten it in place with a wrench.įinally, check the O-ring and make sure it isn’t cracked or damaged. Once the old tube is removed, attach the new one and re-attach it to the gas valve. To do this, use a wrench to disconnect the old tube and unscrew it from the gas valve. You may also need to replace the pilot tube if there is a lot of dirt and grime buildup. You can clean the pilot burner using a soft brush and some fine steel wool to get rid of any rust or residue. Make sure the pilot burner is not blocked and that the thermocouple is not damaged. This is located near the pilot tube – it’s the small device that has a flame that is lit shortly before the main burner is lit. Use a brush and vacuum cleaner to remove any dirt and dust buildup inside the pilot tube. Find the pilot tube, which is a small tube that leads from the gas valve to the pilot light. Start by removing the access panel that covers the burner assembly.
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