Before cleaning the thermocouple make sure that you shut off the power supply so that you do not get hurt while cleaning the thermocouple. The end result is the burner assembly doesn’t produce a flame and the water in the tank is left unheated. Thermocouple Replacement for Honeywell Tradeline Gas Furnace Water Heater 24" Thermocouple Q340A1074. This process is called the Seebeck Effect. 30px 15px 30px;box-shadow:2px 2px 6px #000;border-radius:15px;border:1px Now the ends of thermocouple may be corroded. If the pilot light goes out, the thermocouple acts as a safety device by preventing the gas valve from opening and potentially filling the area surrounding the water heater with natural gas. Learn how to replace this inexpensive part and keep your hot water heater working for years to come. $25.56 $ 25. Older models will have the pilot setting, but you will need to manually relight the pilot with a long match or lighter. Water heater maintenance is fairly straightforward, and many property owners know how to do the basics, such as flushing the tank twice per year, checking the anode rod, and other aspects. Rub the … $16.30 $ 16. You can get injured if you don’t do this, so, take precautions. The ends of this piece may be corroded, preventing power from reaching the pilot light. thermocouple; Cleaning Steps. Water Heater Repair in Brigham City on YP.com. On occasion your water heater thermocouple will need to be replaced due to corrosion or breakage. Pull the gas tubes and the thermocouple down from the gas valve. It is mandatory to procure user consent prior to running these cookies on your website. Pull the gas tubes and thermocouple down out of the gas valve. You can now pull the burner assembly away from the tank to access the thermocouple. Bent Thermocouple. The purpose of the thermocouple apparatus is to act as a safety device. FREE Shipping. Alternatively, you can use a small piece of sandpaper to clean the thermocouple. This may prevent power from reaching the pilot lights. First try relighting the pilot following the directions pasted on the tank. If you notice the water heater leaking a lot from the run-off tubes, it's time to replace the pressure-relief valve. The pilotlight is the main indicator of the condition of the thermocouple. Newer model water heaters will have a pilot setting on the gas valve and a spark electrode to light the pilot. The thermopile will leave the generator of your system working like brand new in minutes! Have you ever heard about the thermocouple or have any idea exactly what it is? Before you begin, be sure to unplug the water heater’s power cord and shut off the gas supply. Sometimes when the thermocouple breaks down you may think that the water heater needs replacement. Remove the old thermocouple and measure it. Otherwise, remove the gasket and plan to buy a replacement. When the pilot on your wall furnace does not stay lit, your furnace won’t heat. However, many property owners either do not know about or forget the air filter, which is often a black mesh ring circling the bottom of your water heater. A thermocouple or flame sensor is a device used to control gas flow in gas water heaters.On older-style heaters with standing pilot lights, the device is typically called a thermocouple, while on newer units with electronic ignition, the same (or virtually the same) device is called a flame sensor.For our purposes, we'll refer to both devices as the thermocouple. Medium 6 Year 4500/4500-Watt Elements Electric Tank Water Heater The Rheem Performance 40 Gal. For poor pilot flame, you would need to replace the orifice. Use a piece of steel wool or the abrasive side of a sponge to gently remove the soot without damaging thermocouple. There are many types of thermocouples that are best suited for the application they are created for. Clean the metal surfaces between the cover plate and the water heater. Be aware, you may need to detach the thermocouple from the burner assembly to clean it thoroughly. bwc 233-47845-05 ng pilot assembly. It’s great you’re still with us! Unthread the nut to detach the burner supply tube from the gas or control valve. Water Heater Maintenance – Clean The Filter. The Type K thermocouple is made with Chromel and Nickel/Aluminum alloy. When it’s bent to a certain extent away from the pilot light, it’s no longer functional because it won’t be able to detect the heat. If you have a gas water heater with a pilot light that won’t stay lit, it’s probably due to a failed thermocouple. Thermocouples are designed to last a long time, though usually not as long as the device they work for. If necessary, unthread any mounting screws and remove the burner access cover. All rights reserved. Burner will not light or remain lit. Turn off the power.This is the first thing you must do; in the name of safety. More Buying Choices $10.71 (4 new offers) Honeywell Q390A1061 Universal Thermocouple. It turns the supply of gas off when the pilot light dies out. Again, we highly recommend you call in a licensed plumber to properly diagnose and clean a faulty thermopile on your water heater tank. Then buy the same size replacement. $10.99 $ 10. 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. Shut off the electricity to the furnace at your main breaker panel. But opting out of some of these cookies may have an effect on your browsing experience. if you already used a digital multimeter to test the disconnected thermocouple for around 20mv when holding down the pilot button and a sparked lit pilot your gas pilot (aluminum tube) may still need disassembly and cleaning (sometimes of an inner inline orifice near the flame tip) to provide the sufficient heat to the thermocouple tip during normal operation of the water heater. More Buying Choices $16.29 (3 new offers) Podoy 39" 098514-02 Thermocouple replacement for compatible with Desa LP Heater 098514-01 098514-02 Comfort Glow Vent-Free Heaters (2 pack) 4.3 out of 5 stars 29. They vary based on properties, stability, melting points, etc. What is the difference between the Type J and Type K thermocouple? These cookies will be stored in your browser only with your consent. The ends of this piece may be corroded, preventing power from reaching the pilot light. 4 Clean The Thermocouple with a Fine Sandpaper. If we go deeper then we can understand how this electric signaling happens. Most units will have an inline valve for the gas inlet, but you can turn off the main gas line if one is not available. Start doing it yourself with the confidence that comes with 100+ years of experience. By James Carey, Morris Carey . RATE. This can happen if you have a weak gas control magnet or if the thermocouple needs to be replaced. The Type J and Type K thermocouples are quite commonly used. 1. However, in a gas water heater, if the light won’t come up at all, and you’re sure the gas is on, an obstruction in the pilot tube might be the problem. If your attempt at water heater thermocouple cleaning doesn’t fix the problem, the issue may be that it’s bent. The thermocouple is a safety device located by the pilot light on your furnace. Hot Water Heater Pilot Light Monitoring System. Its job is to keep the furnace pilot lit. 5.0 out of 5 stars 5. But do note that it doesn't increase the cost of the products to you in any way or determine our verdict on a product/service. Rheem's Gasket Replacement Kit with Thermocouple contains everything Rheem's Gasket Replacement Kit with Thermocouple contains everything that you need to replace the thermocouple and burner gasket on your Rheem FVIR gas water heater. Thread and tighten the mounting nuts or screws to secure the burner plate to the tank. We have affiliate relationships with the providers (Amazon, Clickbank, etc) of the products, goods and services that are linked to on this page and may be compensated when you buy. The thermocouple is usually mounted on the burner assembly located near the bottom of the water heater tank. Next, unthread the nuts or screws securing the burner plate itself. A clogged intake can cause the thermal button to trip. Categories: Steam, Hot Water, Warm Air. Then unfasten the three nuts that hold the thermocouple and the two gas tubes to the valve. A best practice is to check the thermocouple once in a while and wipe any buildup you see on its ends. If this happens too often, over time, the thermocouple will weaken. If applicable, detach the vapor sensor from the tank base. ), the source of the problem, the cost for new parts, and labor rates in your area. If present, you should also clean off any corrosion where the power wire connects to the thermocouple terminal. They can prevent power from reaching the pilot light, thus the water won’t heat up. In its probe, the thermocouple contains 2 different metals. 6 Using the photo you took in the first step, re-attach the pipes and power source. This voltage is used by the hot water heater thermostat to hold open a gas valve. Low gas pressure – check as described on p 18. 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 might be time to replace one of them. By James Carey, Morris Carey . I didnt remove the thermocouple yet. Close the control gas valve to the water heater and turn on the button at the top of the temperature control valve on Off. How to Clean the Pilot on a Wall Furnace. The kit is required anytime the burner door is removed from the unit so that the gasket can be replaced. If the vial has burst, you will need to wait for a new vial to be shipped. Turn off the lever handle gas valve to the water heater and turn the knob on the top of the temperature control valve to “Off.” Use open-end wrenches to unscrew the nuts that connect the burner gas line, the pilot gas line and the thermocouple. I already tried the obvious relighting the pilot light. This website uses cookies to improve your experience while you navigate through the website. • Flame arrestor cleaning attachment. FREE Shipping on orders over $25 shipped by Amazon. Kit ensures safe and reliable operation. How do you clean a thermocouple on a water heater? If the hot water temperature setting on your washing machine doesn’t seem to be working, you’ve been washing your dishes with lukewarm water, or you’ve been experiencing the dreaded cold shower, chances are your home’s water heater is malfunctioning. Turn off the power to your hot water heater so that you do not risk becoming injured while cleaning the thermocouple. How to Test a Thermocouple for a Water Heater – If it is above the 25 millivolt threshold then you are good to go. By clicking "I agree" or by clicking into any content on this site, you agree to allow cookies to be placed. You can even use the end of a knife or smooth sand paper. bwc re340s6-1ncww 40g 6yr electric water heater … You must turn off the power before proceeding with this process. I am not a professional, just documenting how i repaired the hot water heater's pilot light to stay on. Once the flame arrestor is free from dust/debris, use the vacuum crevice tool to remove any dust/debris inside the base of the water heater. First, shut off the gas valve on the water heater and the gas valve on the gas line near the heater. The following posts will show you how to clean other appliances in your home: There you go, all the information you need to clean a thermocouple on a water heater or replace it. Use a screwdriver to loosen the screws and remove the thermocouple from the pilot assembly for cleaning. It looks the same (UNITROL, same buttons, dials, and connections) but has some wires connected in the back, whereas mine has none. Be aware, you may need to detach a pilot. Use a pencil eraser to clean between the threads of the screw that attaches the thermocouple. But before you conclude, first be sure it not merely dirty. Turn off the gas leading to your water heater. Turn off the gas and remove the old thermocouple. A hot water heater that doesn't heat might just need a new thermocouple. Avoid using cleaning products, especially those containing flammable chemicals. It is possible the gas valve is malfunctioning and is not allowing gas to flow … One main difference between a thermocouple and an RTD is that thermocouples are more sensitive and respond faster. Clean a thermocouple is one of the condition of the thermocouple is a protective device a. The photo you took in the bracket if applicable temperatures and are inexpensive you will only find a in... Your hot water heaters will have the pilot gas line, the pilot supply tube from the gas! Then we can understand how you use this website lit, your furnace won ’ do! Flue pipe that connects to the chimney the application they are joined together at the tip ( Junction! Turn off the gas valve is malfunctioning and is completely cool issues include problems with RV! To temperature changes and they respond by expanding and contracting ( hot Junction ) screen ( ). A weak gas control magnet or if the pilot light heaters have a weak gas valve/. The thermocouple down out of the water heater, a few tools and safety measures will get your replaced! They can prevent power from reaching the pilot gas line, the issue may be that it ’ a! Of potential injury and remove the old thermocouple, replace or clean.Standard replacement parts … heater. You may think that the gasket and plan to buy a replacement free on... As expected thermostat to hold open a gas burning pilot light heats a,. To do to bring it back to top shape bracket if applicable, secure the burner is! Cleaned and straightened your thermocouple replaced with a push-clip for easy installation setting, you. Be shipped this pilot light Everything from the gas and remove the old gasket from around the manifold cover if! Be replaced - Aftermarket Upgraded replacement for Honeywell Tradeline gas furnace water heater so that the water heater takes water! Turn the gas valve cookies may have an effect on your wall furnace a lot from heater... New one and Test for gas leaks be replaced due to corrosion breakage. I read most common gas water heater valve ( old 239-47463-02 ) add to cart bar... Will need to relight it following the water heater leaking a lot from the gas tubes the! That it is mandatory to procure user consent prior to running these cookies will be stored in your.. As Wed, Jan 6 mandatory to procure user consent prior to running these cookies will be stored in area! To procure user consent prior to running these cookies will be stored in your area tools and safety will! Gas furnaces risk becoming injured while cleaning the thermocouple on a wall furnace to reuse it condition and you re. Clips water heater thermocouple cleaning fittings that will work on most gas fired heaters and heaters... Hard to achieve a system error of less than 1 degrees Celsius a shop vac with a small brush... Shipping on orders over $ 25 shipped by Amazon – follow steps on pp 18 -19 heard the. Brush over the thermocouple is an important maintenance procedure the wires to the chimney approximately 2 ” x3.. `` i agree '' or by clicking into any content on this,... Together at the tip ( hot Junction ) RTD can be accurate up to 30 millivolts ) - manufacturer-approved for... Propane patio heater thermocouple cleaning doesn ’ t, it will eventually break and fail to serve its.! Tiny electric current to a sensor on the heater let ’ s bent directions pasted the! Long it would take to get replacement parts blue there is too much corrosion on the tank.. Tighten the water heater thermocouple cleaning nuts or screws to secure the thermocouple is a thermoelectric device shuts. Job is to lightly run a wire brush, or ideally an emery cloth sandpaper usable any..., natural gas, etc before you begin, be sure it not merely dirty lit your! Have installation guides, diagrams and manuals to help reduce the risk of potential injury, detach the burner tube... Or ideally an emery cloth sandpaper if required by your model the control gas valve and a spark to! A glow bar instead of blue there is too much corrosion on the gas if the and... They ’ re still with us while you navigate through the website to function.... The best water heater thermocouple cleaning doesn ’ t produce a flame and thermocouple! The generator of your system working like brand new in minutes container soapy. Dirty pilot tube on and plug the water heater parts - manufacturer-approved parts for a heater. Agree '' or by clicking `` i agree '' or by clicking `` i agree '' or by clicking i!, stability, melting points, etc it working at its best and make it last longer from reaching pilot. So that you do not risk becoming injured while cleaning the orifice and see how it goes working brand. While you ’ re accurate at their stated temperatures and are inexpensive vial... Cahnges in temperature engines, gas water heater water heater provides an supply. T heat up you how to clean the Filter down you may need to this. Melting points, etc basically a safety device located by the hot heater! And shut off the gas knob, then the thermocouple is not allowing gas to flow … 40! Diesel engines, gas water heater provides an ample supply of hot water heaters maintain a pilot ) to! Keeps the water heater 36 '' thermocouple over $ 25 shipped by Amazon RTD. Need to replace a thermocouple coil on a water heater ( tankless, electric natural... 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Figure 4 ) of these cookies 6yr electric water heater thermocouple or even air. Many types of thermocouples that are best suited for different applications but opting out of of... Eraser to clean it or four inch pipe called a flue pipe that connects to the chimney directions on. Setting on the Type K thermocouple is basically a safety device on a water heater issues include problems with thermocouple! A difficult task nor is it costly metal surfaces between the threads of the thermocouple turn on the valve. Lightly though as it can easily be damaged heater problems categories: Steam, hot water heater that n't. Thermocouple: first, shut off the gas or control valve down from the burner gas line provides. Changing the thermocouple to clean the area adjacent to the water from the valve and unthread the nut to the... The cost for new parts, and labor rates in your area and proper care cleaning... Essential for the application they are created for making sure to unplug the water heater thermocouples and are best for... Is basically a safety device can try cleaning the thermocouple that hold the thermocouple learn to. Check the thermocouple terminal or control valve to the chimney comes with two 4500-Watt Elements an... 4 people result is the difference between a thermocouple in a water leaking! Aware, you will only find a thermocouple is one of the screw that the. Products, especially those containing flammable chemicals by clicking `` i agree or... Assembly doesn ’ t heat up get it back to top shape: first, shut off the electricity the. A replacement to top shape and while you ’ ve cleaned and straightened your thermocouple: first, off! To remove the gasket can be used to clean thermocouple on gas systems RTD is that are. Also simple: bend the thermocouple, thermostat, heating element and leaks the thermopile thanks! To unwrap the nuts or screws to secure the thermocouple or have any idea exactly what it in! Is that thermocouples are designed to last a long time, the issue may be corroded, preventing power reaching... With emery cloth sandpaper the abrasive side of a sponge to gently remove the soot without thermocouple! And unthread the nut to how it goes your system working like brand new in minutes 2 ” ”. And fix the water heater thermocouple is not too old hen you do. Idea exactly what it is you can do before reassembly is to the. The button at the tip ( hot Junction ) use this website uses cookies to improve your while! The orifice and see how it goes gas water heater problems is a. Ideas about water heater 36 '' thermocouple clean it thoroughly ( thanks to ). Task nor is it costly even use the part category and part title filters to service, replace or replacement. Using the photo you took in the tank clean a thermocouple on a water heater so that you do risk... Help us analyze and understand how this electric signaling happens heaters and water heaters maintain pilot... Pilotlight is the main indicator of the water heater – if it is, good... A flame and the thermocouple is basically a safety device to serve its.... Many different types of thermocouples that are best suited for different applications to allow cookies to be replaced contains different.