it is a tank (40 gallon), gas, and the pilot light is on. The pilotlight is the main indicator of the condition of the thermocouple. Water Heater Maintenance: Extend Water Heater Life. This is the result of a phenomenon known as the Seebeck Effect. Rather than trying to unfasten the thermocouple inside the water heater’s burning chamber, it’s easier to remove the whole burner and thermocouple assembly. Gas water heater replacement part. And if a repair isn't possible, then to make the process of selecting a new water heater … Identify the therm… Not sure if you need a new thermocouple? Sign up for our newsletter! How to Test a Thermocouple for a Water Heater – Everyone who has owned a gas heater including furnaces or water heaters will know that from to time you have to light the pilot light unless you have … This signal keeps the gas valve open. n/a. As this occurs, they produce a small voltage of electricity that passes over to the gas control valve. He worked as an expert consultant with eHow Now and Pro Referral -- a Home Depot site. Its function is simple but very important for safety. Pilot doesn’t light. This thermocouple (part number 9007872) is for water heaters. Get Pricing and Availability. The Second option (the likely option) would be to find a universal thermocouple that will fit your water heater. 00 You can eliminate this possibility if there's enough room for you to reach in your hand and reposition the probe closer to the flame. If you are having trouble with your pilot light, there are several possible reasons. n/a. It does this by sending a tiny electric current to a sensor on the gas valve signaling the valve to stay open. The gas burner supply, pilot … Inventory is sold and received continuously throughout … A gas water heater in Boise, Baton Rouge, Buffalo or Boston uses a thermocouple that includes a probe attached to a copper tube that screws into a port on the gas valve. Re-insert Burner Unit. Honeywell CQ100A1013/U Not Available CQ100A1013 24-Inch Replacement Thermocouple for Gas F… First, shut off the gas valve on the water heater and the gas valve on the gas line near the heater. In fact, turn the hot water spigots on running from that tank and NOTHING comes out. If you can't get the flame to light at all, and you're sure the gas is on, there's probably an obstruction in the pilot tube. Check for gas leaks by applying soapy water to joints and looking for bubbles while the main burner is firing. If you have a gas water heater, gas wall heater or any other appliance with a gas burner that needs to cycle on and off, there's a thermocouple in your life. A hot water heater that doesn't heat might just need a new thermocouple. The thermocouple is part of … The job of the thermocouple is to keep the pilot lit. We are no longer supporting IE (Internet Explorer) as we strive to provide site experiences for browsers that support new web standards and security practices. Inventory is sold and received continuously throughout the day; therefore, the … A gas water heater in Boise, Baton Rouge, Buffalo or Boston uses a thermocouple that includes a probe attached to a copper tube that screws into a port on the gas valve. Hot water heater went on the fritz with the cold snap and loss of power. If the thermocouple … Richmond® 24" Water Heater Thermocouple. When it comes to your hot water heater, the pilot light heats up the thermopile. Before jumping to the conclusion that the thermocouple is at fault, look at the pilot flame. An avid craftsman and musician, Deziel began writing on home improvement topics in 2010. After about a minute, when you're sure the probe has gotten hot, place one lead on the shaft of the thermocouple and the other lead on the connector. n/a. Type. It's a usually reliable device that works in conjunction with a standing pilot, which is the little flame that, like the Olympic torch, burns while the appliance is in operation. For gas furnaces, boilers, water heaters & room heaters; See More Details ... To determine if this is a active cross you will want to locate the specs on the water heater and confirm the thermocouple is 24in and is a 30mV system. Then detach the thermocouple from the burner and take it with you to the home center or hardware store to ensure you buy the right replacement. By creating an account you agree to the Hunker, Omega: Thermocouple: Different Types, What It Is, and How to Replace One, High Performance HVAC: How to Test a Thermocouple with a Multi-Meter. The thermocouple … Unscrew the thermocouple lead along with the two gas tubes. What does a thermocouple do in a water heater? Not getting it back together or getting it installed incorrectly will leave you without hot water. How to Extend Your Water Heater’s Lifespan, How to Install a Power-Vented Water Heater, Extend the Life of Your Water Heater by Replacing the Anode Rod, Water Heater Repair: How to Replace the TPR Valve, How to Repair or Replace Defective Water Heater Dip Tubes, We are no longer supporting IE (Internet Explorer), How to Adjust Your Water Heater’s Temperature, Do Not Sell My Personal Information – CA Residents. My aim is offer some basic advice on fixing home hot water systems. Use Current Location. If it appears small and has an orange-yellow tinge, it may be too weak to heat the thermocouple. 1. Hello, I have a Jacuzzi tub in an upstairs bathroom far from the hot water heater. Light the pilot following the instructions on the water heater. Remove the burner assembly and detach the thermocouple. The thermocouple is a thermoelectric device that shuts off the gas supply to the water heater if the pilot light goes out. Nothing lasts forever, and when the thermocouple wears out, the pilot won't stay lit and your appliance won't work. A water heater or furnace thermocouple is a heat sensitive probe that sends an electric signal to the gas valve whenever the pilot is lit. n/a. Turn off the power.This is the first thing you must do; in the name of safety. I only have enough room for a 4 gallon heater … Would a defective thermocouple do that (not allow any water … Complete DIY projects like a pro! Item #26369 Model #6910476. 1. This is a good time to vacuum out the burner compartment, check for water leaks and remove debris in the burner ports. A pilot light can go out. The No. Start the test by unscrewing the thermocouple from the gas valve. You can also eliminate obstructions in the pilot tube as a possible cause by turning off the gas, unscrewing the pilot tube from the gas valve and blowing compressed air from a can through the tube. If it isn’t working properly or the water heater reading is not accurate, it might be time to clean the thermocouple on the water heater. Thermocouple 9007872 monitors the pilot light to ensure it's lit and closes the gas valve if it detects a loss of flame. 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 … The pilot can go out for a number of other reasons, however, so if you're having trouble getting the pilot to stay lit, the thermocouple may not be at fault. The thermocouple can do this because, in its probe, it contains two different metals, and a voltage is generated when one of them is heated. You are also dealing with … Preferred™ 18" Water Heater Thermocouple Replacement Kit. Gas appliance thermocouples have a standard design. If the flame lights and goes out when you release the gas control knob after holding it in for the recommended 20 to 30 seconds, that's the sign of a thermocouple malfunction. Thermocouple… Install the burner unit back into the water heater. Learn how to replace this inexpensive part and keep your hot water heater working for years to come. The procedure for lighting a standing pilot always includes lighting the flame, then manually holding in the gas valve to keep the flame burning and give the thermocouple time to heat up. The gas water heater thermocouple is the safety element that is designed to "inform" a gas control valve is the pilot flame ON or OFF, and open or close the gas to the main burner. Sometimes the problem is simply that the thermocouple probe is too far from the flame. The pilot flame must be big and hot enough to heat the thermocouple to the temperature it needs to generate enough voltage to signal the gas valve. Find the right water heater parts with Repair Clinic. Reinstall the Burner Unit. Chris Deziel is a contractor, builder and general fix-it pro who has been active in the construction trades for 40 years. I found the effect art for $12 and was able to replace it perfectly and had hot water … The likely problem, again, is an obstruction in the pilot tube. Then unfasten the three nuts that hold the thermocouple and the two gas tubes to the valve. You need hot water for many daily activities, so a working water heater is essential. You can test this yourself using a multimeter, but you may need a helper to keep the pilot flame burning while you do it. Gas water heater’s detail 1: 1) Capacity :6/8/10/12/16 L available 2) LCD display for optional 3) Double ignition pin, Automatic … How to Replace a Thermocouple on a Hot Water Heater. Solenoid Tankless Hot Gas Water Heater with Thermocouple Gas Water Heater. OVERVIEW. I understand the frustration involved with dealing with water heater repairs and replacing or upgrading to a new, more efficient model. Whirlpool Water Heater Thermocouple. Hunker may earn compensation through affiliate links in this story. It’s easy to replace and a new one costs $5 to $10. … Attach the thermocouple and reinstall the burner assembly. It's also a good idea to pull the pilot tube completely out and poke a needle in the flame orifice. If a water heater pilot won't light at all, the thermocouple probably isn't the problem. If the thermocouple is working, you should be able to measure 30 to 40 millivolts of voltage at the connection end of the tube when the pilot flame is on. When you're having trouble getting the pilot to stay lit, it could be because the thermocouple … 1 cause of pilot lights that won’t stay lit is a worn-out thermocouple. Set the multimeter to read millivolts, then start the pilot and have your helper hold in the gas control knob to keep it burning. Please Note: Prices, promotions, styles and availability may vary by store and online. Please Note: Prices, promotions, styles and availability may vary by store and online. But you also need a safe working water heater, and that’s where the thermocouple comes in. If you're feeling lukewarm about your current hot water heater or are looking to install one in your new home, Lowe's has a full selection of electric water heaters, gas water heaters, tankless water heaters, hybrid heat pump water heaters and water heater accessories to help you make one very hot … The burner typically sits loosely—or under clips—in the burning chamber and just slides out. If you, like many homeowners, use a gas-powered water heater, the thermocouple helps prevent the heater … Construction trades for 40 years and replacing or upgrading to a new one costs 5. Three nuts that hold the thermocouple wears out, the … Unscrew the thermocouple probe too... 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