If cleaning the thermocouple didn’t allow your pilot light to stay lit, or cleaning the thermopile didn’t allow the pilot light to generate enough electricity to open your gas valve and ignite the burner, it … A Dirty Thermocouple. So you will have to turn off the gas and unfasten the nuts holding the thermocouple to take it out. To perform the cleaning instructions below, the following tools/household items are needed: • Vacuum cleaner with hose attachment (crevice tool) CLEANING THE FLAME ARRESTOR: 1. Like the nozzle, the thermocouple resides inside the burner. Turn on the furnace or switch the heater on and see if the pilot light is on. Suspect a worn-out thermocouple not doing its job when your water heater is on the Fritz. Follow your instruction manual to see how to reattach the thermocouple, if your patio heater comes with a different design. Water heater pilot lights work by igniting the natural gas that comes out of the unit’s main burner. But I dont know what thermopile to buy. Attach a hose to each of the valves and then reopen them. Once you are done cleaning the thermocouple using any of the methods above, reattach it to the pilot assembly. Once you’re done, put it back and light your water heater. Some repairs, such as tank leaks, may not be repairable and can signal that it’s time to replace an older water heater. Close the three water valves. ... Keeping a hot water heater in good working condition is the best way to keep warm water. Be sure to turn off the power to the water heater and the cold-water inlet valve before you begin any repairs. If you, like many homeowners, use a gas-powered water heater, the thermocouple helps prevent the heater from turning into a danger. Why You Need a Thermocouple on Your Gas Water Heater. To replace a thermocouple: Step 1: Unscrew the copper lead and the connection nut inside the threaded connection to the gas line. Use the pencil eraser and start cleaning between the threads of the screw (the thermocouple attaching screw). Water heater thermocouple cleaning. 3. To clean the sediment out of a water heater, follow these steps: Unscrew the cold-water supply line at the top of the water heater and remove the nipple screwed into the cold-water port. Remove the outer door. Gallons of water pass through a water heater everyday, depositing minerals that make cleaning it difficult. Water Heater Thermocouple Cleaning in 5 Steps. The thermocouple and pilot tubes should go into the gas valve. Turn off the power to your hot water heater so that you do not risk becoming injured while cleaning the thermocouple. You need hot water for many daily activities, so a working water heater is essential. Occasionally, this light can go out. Contact Sears Service. Before you replace a broken hot water heater, check to make sure the thermocouple still works. If you have a gas water heater with a pilot light that won’t stay lit, it’s probably due to a failed thermocouple. Find the right water heater parts with Repair Clinic. For poor pilot flame, you would need to replace the orifice. There is NO such thing as a "fire fusable link" to be used incase of a fire under your water heater. But you also need a safe working water heater, and that’s where the thermocouple comes in. A hot water heater that doesn't heat might just need a new thermocouple. A thermocouple is a function on your water heater that senses the heat on the pilot light and allows gas to flow to the burner. thermocouple; Cleaning Steps. In this case, it's gas, and you need to turn off the gas valve. Empty the water heater by connecting the hose and turn on the drain on the bottom of the tank. By James Carey, Morris Carey . This is always the first step when working on a water heater. Use the steel wool or the abrasive side of the sponge for gently rubbing the thermocouple. Thermocouples generate an extremely weak current which can just barely hold the gas valve open under normal circumstances. If your thermocouple gets to hot, the valves high limit will shut down the flow of gas. Thats why it is important that the thermocouple should be … This water heater complies with ANSI Z21.10.1- thermocouple (right-hand threads), pilot tube, and manifold cleaning of flame arrester 14. The flame should be blue and steady. It is important to make sure that there are no leaks on your water heater after you replace the thermocouple. Call the expert at 1-855-840-7800 for a local plumber with 24/7 emergency repair service in Studio City & Los Angeles Area ! Reattach the thermocouple to the pilot assembly once it’s clean. I read most common issue is thermopile or thermocouple issue. Using the flame arrestor cleaning attachment, vacuum all dust and other particles from beneath the heater, see Figure 3. Water Heater Thermocouple 9000056015 Parts Sears Parts Direct . Shut the gas inlet valve - safety first! There is a valve high limit. If it's electric, cut the power. 2. It's a simple, inexpensive repair that could save you a bundle. Thermocouple Curving If there is bending or curving in the thermocouple, it’s no longer functional. That triggers a sensor (known as a thermocouple) that stops the water heater … Gas hot water heater problems that fit this description can usually be traced to the pilot light. Let the water drain into a bucket. Wash your water heater with vinegar. The nuts should be hand tightened to ensure that the threads are not stripped. The thermocouple is a safety device located by the pilot light on your furnace. One of the most common problems with Atwood RV water heater is a pilot outage. Cleaning the thermocouple is a pretty simple process but should only be done when the fireplace is turned off and is completely cool. If it is not too old hen you can try cleaning the orifice and see how it goes. In simple terms, it’s a short … The gas must be turned off before any cleaning takes place and the unit must be cool. Use the wrench with moderate pressure to completely tighten the nuts. Learn how to replace this inexpensive part and keep your hot water heater working for years to come. A furnace thermocouple is a device on a standing pilot gas furnace that’s responsible for opening and closing the main gas line to your home’s heating system.. A slim, rod-shaped flame sensor sits in the path of your pilot flame where it collects and then transfers heat down via a flexible connector (wire or tube) to signal, through an electrical charge, that the main gas valve should open. Turn the water heater gas control knob to “off” (See Figure 1) and allow the water heater to cool for about 15 minutes. Reattach the Thermocouple. The ends of this piece may be corroded, preventing power from reaching the pilot light. The thermocouple on a gas fireplace may eventually become clogged with dirt and soot, which can reduce the effectiveness of the thermocouple and may eventually prevent the fireplace from lighting as expected. The No. To clean the bottom of the flame arrestor, turn the flame arrestor cleaning attachment over and insert it through the air intake opening at the base of the heater, and use I already tried the obvious relighting the pilot light. Replace water heater , eliminate flammable vapors source. 2. Replacing a Thermocouple or Thermopile if Cleaning Didn’t Work. The cleaning of thermocouple should be done on a regular basis. I didnt remove the thermocouple yet. Remove the purge port valve caps. The thermocouple will usually shutoff the pilot light after about 20 seconds and you should hear a click. Generally, water heater repairs cost $150–$400, depending on what’s wrong. This bleach is used when a bad smell or bad taste starts coming from your water. Then buy the same size replacement. My water heater burner is not igniting. Thermocouple. This is a safety device that turns the gas off when the pilot goes out. The thermocouple is triggered by an electric current produced by the pilot light. To disinfect the hot water heater you need Clorox bleach. This can happen if you have a weak gas control magnet or if the thermocouple needs to be replaced. The reason is that, if there’s a bend, it will move too far away from the pilot. This is not necessarily a thermocouple or a gas valve problem, but possibly just a matter of cleaning or adjustment. Start with cleaning out the filter and if the pilot still won’t stay lit you may need to replace the thermocouple. Remove the burner assembly and detach the thermocouple. The thermocouple is a thermoelectric device that shuts off the gas if the pilot light goes out. The water heater pilot light is a small flame that ignites the gas burner on your water heater. However, if you don't keep your water heater clean, it can cause numerous issues.Using a dependable calcium, lime, and rust cleaner, or CLR cleaner, can make cleaning it easier. I've never had a problem with the heater. Follow the steps to disinfect the water heater: 1. Testing for Leaks. Step 2: Under the mounting bracket at the thermocouple tube, unscrew the bracket nut that holds the tube in place. We are the plumbing, sewer/ drain, water damage repair specialists … The process is slightly different from cleaning a tank water heater: Remove the lid. Over time, the thermocouple can get dirty and stop working because it sits in the pilot light’s flame at all times. Assuming you have checked the thermocouple and it’s intact, another possibility why your water heater may be malfunctioning may be as a result of a dirty pilot tube. I replace this style of thermocouple all the time with the standard style thermocouple. Rheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless water heaters, air conditioners, furnaces, pool heaters, and HVAC systems for residential and commercial applications, and is a full member of AHRI, the Air-Conditioning, Heating, & Refrigeration Institute. Turn off the power to your hot water heater so that you do not risk becoming injured while cleaning the thermocouple. The thermocouple is the brain of your water heater. This will release pressure inside the heater. A bad thermocouple will shut off gas to both the pilot and the burner, which is when people notice that the water heater pilot light is out. 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