As with all my DIY posts, anything you decide to do as a result of reading this post, you do so at your own risk. Closely follow the instructions provided by the manufacturer. 1. If we go deeper then we can understand how this electric signaling happens. Wipe the sanded surface with a lint-free cloth to remove dust or particles that were left behind by the sandpaper. thermocouple; Cleaning Steps. If the water heater is still failing to heat the water, the thermocouple may be completely defective, the pilot itself could be restricted, the igniter could be faulty, the gas valve could be malfunctioning, or the pressure switch in the power vent blower housing may have failed. Step 6: Reconnect that gas coupler to the inlet valve. Follow: Ultimi Articoli. Remove Thermocouple from pilot assembly, using steel wool or emery cloth to lightly clean the tip removing any soot or build up that might have accorded due to an improper pilot flame. While you are at it, check to the see if there is any corrosion on the ends of the thermocouple which might prevent power from reaching the pilot light. Use a piece of steel wool or the abrasive side of a sponge to gently remove the soot without damaging thermocouple. Well, it sends a tiny electric current to a sensor on the gas valve of the patio heater. If it is not lit, the gas supplying the pilot is turned off and the gas valve will not switch the main burner on. How to clean? Again this is one of the most common faults in why the patio heater stop working. How to Test a Thermocouple. This … All of these parts can be found at Repair Clinic by entering the full model number of your gas water heater in the website’s search bar. Remove Thermocouple from pilot assembly, using steel wool or emery cloth to lightly clean the tip removing any soot or build up that might have accorded due to an improper pilot flame. Look for a long, metal rod that is attached to two, thin flexible wires. That’s why it is important that the thermocouple should be kept working. Take a picture! Use your screwdriver to unscrew the thermocouple from the control box. If necessary, some logs can be treated with a small amount of water. This sensor consists of two dissimilar metal wires, joined at one end to form two junctions, and connected to a thermocouple thermometer. This entry was posted in DIY and tagged DIY gas fireplace gas valve pilot light thermocouple thermopile won't light on October 21, 2012 by Steve Jenkins (updated 2204 days ago) Disclaimer. Turn the gas supply back on and plug the water heater power cord back in. Set both pieces on the towel (or some other soft surface which you can clean easily later. Shake out the oil, let it dry. Burnham Holiday Boilers: how to remove and clean burners. Remove any shields or cover to access the burner and ignitor, taking note of how it comes apart. January 20, 2019 The stove doesn’t stay lit – Thermocouple problem. The thermocouple is a safety device located by the pilot light on your furnace. Unthread the nut to detach the burner supply tube from the gas or control valve. On the other hand, when thermocouple detects the heat it keeps the gas line open. You can use Emery cloth sandpaper to gently clean any debris or build-up from the end of the thermocouple. Turn the hot water heater back on and relight the pilot light. Thermocouples. Be aware, you may need to detach a pilot supply tube as well. Most modern ovens have piezoelectric starters that replace the function of both the thermocouple and a standing pilot light. Use a flashlight to help you see while completing this step. Be aware, if the pilot light goes out, you will need to relight it following the water heater manufacturer’s instructions. Be aware, you may need to detach the thermocouple from the burner assembly to clean it thoroughly. Make sure to handle the thermocouple with care. When properly configured, thermocouples can provide temperature measurements over wide range of temperatures. There is no need to seek expert assistance to get the job done. Clean the pilot tube with compressed air, following the manufacturer's instructions, if the pilot flame is small or intermittent. You can even use the end of a knife or smooth sand paper. Clean the Burner. Use a lint-free cloth to wipe the component clean of any remaining debris. It consists of a heat sensor connected to a solenoid; when the sensor is not heated by the pilot flame, the solenoid closes the gas supply line. Before you do anything turn off the gas supply. If these chemicals are not cleaned away properly they can result in an explosive event. If there is soot build up on your thermocouple, then the issue might be resolved by cleaning your thermocouple. You will need a screwdriver to loosen the screws and remove the thermocouple from the pilot assembly. We are using cookies to give you the best experience on our website. Learning how to clean a thermocouple on a patio heater is one of a few tasks necessary the keep the heater working efficiently for a long time. How do you clean a thermocouple on a gas water heater? It also can’t hurt to be sure the ends of the wires on your new thermocouple are clean too. Remove any shields or cover to access the burner and ignitor, taking note of how it comes apart. We've got millions of parts, hundreds of brands, and thousands of step-by-step videos— everything you need to find it, fix it and finish the job right. Gas water heaters which use a pilot to light the burner will also have a thermocouple or thermopile to monitor the pilot (a thermopile is, essentially, multiple thermocouples connected in a series making the component more sensitive than a single thermocouple). After cleaning the thermocouple, inspect the surrounding area and make sure that there is no dust or dirt. 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