The easiest way to tackle this home project is to abrade the rod with fine-grit sandpaper lightly. Update June 2019: For those looking for a solution to this problem, we ended up un-installing our new water heater, hauling the entire tank back to Home Depot, and switching it out. This time it was giving us a thermopile error. I checked the thermopile voltage and it was initially showing about 90mv. If the pilot can be lit and stays on after the knob is released, then the problem is probably with the thermopile side of the valve. I began thinking to myself, screw Honeywell, and screw Rheem, and screw Home Depot for selling such a crappy product. If other people can create and build, so can I! Then I turned valve switch and gas start flaming. This is important in a hot water heater where you want the water to come out at a certain temperature standard. Hot water heater replaced! View all posts by noravista. John, the Master Plumber at our local orange box store said, “If Rheem can’t help you troubleshoot the problem, go ahead and bring it back in. Thermopile voltage should stay above 400 MA with the added main coil load. Pull back the insulation to expose the thermostat. ... low thermopile output or a gas valve that was just getting old and harder to move. Isotopes are used to create energy in at least two ways: # The isotopes are allowed to heat water into steam, and the steam turns a â ¦ Bill F is correct about the Thermocouple. If this still doesn’t solve your problem, you may want to consult a professional. We wait for a couple of minutes… and the stupid thing went out again. Contractor's Assistant: How long has this been going on? The Thermopile, energized by the pilot flame, generates sufficient power to operate the gas valve and on/off switch. Honeywell Gas Control Valve Troubleshooting For Water Heaters . You may have to wiggle it a bit before it comes loose. Welcome to Pioneer Custom Electrical Products Pioneer Custom Electrical Products (Pioneer CEP) is a subsidiary of Pioneer Power Solutions. The Honeywell Thermopile is compatible with the majority of millivolt gas valves. I installed a brand new Rheem 40 gallon 32000 BTU gas water heater last week and everything was going fine. And would you look at that….. You may have to wiggle it a bit before it comes loose. Plain and simple. I researched the crap out of this issue online, and found out that there were a ton of people having this same problem. You should also match the impedances seen by the inputs and add some low pass filtering to an amplifier with such a high gain. ( Log Out /  Tool deals. The incoming radiation of the laser is converted into heat energy at the surface. Checking your fireplace thoroughly. *If higher than 35mv check connections and switch. Homeowners who have issues with their fireplaces might be able to take on some of the repair work themselves. Since there is both a thermocouple and thermopile in this valve type, it is important to find where the potential problem may be. The water heater did not work. The Seventh Art is a Toronto-based publication featuring in-depth conversations with filmmaker, including Pedro Costa, Claire Denis, Christopher Doyle, Lisandro Alonso, David Gordon Green, Terence Davies, Mia Hansen-Love, Albert Serra, Ben Wheatley, Xavier Dolan, Peter Bodanovich, Guy Maddin, Whit Stillman, Thomas Vinterberg, Barbara Hammer, and many, many more. The millivolts can be checked with a simple voltmeter and adjusted with the pilot adjustment screw. The official error was “Thermopile Voltage Low”. The pilot is lighting and staying lit, but when I jumper the line and load terminals on the valve it won't turn on. (NASDAQ: PPSI). After adjusting it a few times, we turned it up to the setting just before the A position. Once it comes to temp, watch for the range of cut in and cut out. My Honeywell Thermostat Says Wait: What to do Next? the thermopile detector and the light source must be set appropriately according to the CO2 concentration. Backed with this info, we had a decision to make. You can test it with a multimeter. Once I relit the furnace pilot light after just a few seconds I was able to release the pilot control nob on the gas control. And how severe is the problem? All Parts in stock and ready to ship. About 1 in 125 units will have this Thermopile Voltage Low error. The thing would blink red two times, and shut down. Unlike cleaning the thermopile and the thermocouple, this is a task that should definitely be left to a professional. And would you look at that? The Rheem PROTECH Pilot/Thermopile Assembly Replacement Kit contains everything that you need to replace the Pilot/Thermopile Assembly on your Rheem water heater with the Vesta liquid propane gas valve. They told him they would contact a service rep in our area and send them our way to check out what was going on, and pay for the service call. I don’t see how long ago this article was written, but can high winds cause this issue? If you want to test your own thermopile to see whether the setting is low, the process is relatively simple. I installed a brand new Rheem 40 gallon 32000 BTU gas water heater last week and everything was going fine. The math … Now all of the sudden it flashes a red light twice which the manual says is "thermopile voltage low". The pilot is lit and I hear the burner kick on sometimes. Now that the pilot will stay on, Turn the thermostat to 365F. I bought this thermopile to repair a wall furnace which would not stay lit. If the open-circuit test reads below 400 millivolts, then the thermopile likely requires service or replacement. You can open up both the old and replacement valve, and just swap the fronts of the valves, containing the recalcitrant circuit board, leaving the back part that connects to the gas pipes in place. Having a basic understanding of how your unit works can be extremely helpful. Let’s dig in deep to explain what it means to encounter low thermopile voltage. If problem persist you will need to replace the thermopile. Pioneer manufactures, sells and services a broad range of specialty electrical transmission, distribution and on-site power generation equipment for applications in the utility, industrial, commercial and backup power markets. Low millivolts from a thermopile As you can see from the picture above, my thermopile was putting out .358 volts, or 358 millivolts. Set meter to MV or Volts … ( Log Out /  Then the pilot flame will burn in the clear blue flame when the water heater receiving the air supply and sufficient gas pressure inside. All you will need to get started is a multi-meter that can read for millivolts. Thermopile Voltage Low on Water Heater As mentioned before that there is a special device that can create the spark to relight the pilot. The Honeywell CQ200A has been proven in millions of appliances as the contractor's preferred thermopile and are found in many of today's self powered gas fireplaces. Once I relit the furnace pilot light after just a few seconds I was able to release the pilot control nob on the gas control. For example, a 100nF capacitor across the 1M and another 100nF from the non-inverting input to ground. The thermopile is the compilation of several thermocouples together. Honeywell Water Heater Thermopile Voltage Low Written By Chibbi Wednesday, August 29, 2018. This kit is required anytime the burner door is removed from the unit so that the gasket and pilot assembly can be replaced. and waited some more for the light to go out. I did check pilot generator – it was good. +1-888-873-3829. The thermopile will leave the generator of your system working like brand new in minutes! Ha! There should be at least 500 millivolts 0.5 VDC Any less indicates a weak generator, replace generator. The thermopile detector T11722-01 is a dual type, You will need to invest in special tools and spend the better part of an afternoon working hard on your hot water heater. The Rheem PROTECH Pilot/Thermopile Assembly Replacement Kit contains everything that you need to replace the Pilot/Thermopile Assembly on your Rheem water heater with the Vesta liquid propane gas valve. It can be dangerous to play with gas in your own home. Talk about a hold on the market. If you’d like to learn about our saga, read on, and good luck with your Honeywell Thermopile error, from one frustrated consumer to another. This is a known issue for many Honeywell water heaters. A thermopile is an electronic device that converts thermal energy into electrical energy.It is composed of several thermocouples connected usually in series or, less commonly, in parallel.Such a device works on the principle of the thermoelectric effect, i.e., generating a voltage when its dissimilar metals (thermocouples) are exposed to a temperature difference. Share this conversation. Ask Your Own HVAC Question. A thermopile is a device that converts thermal energy into electrical voltage. Every gas appliance with a standing pilot that cycles on and off needs a thermocouple. Although I will say- I sure do get a lot of views from this article, which leads me to believe that Honeywell knows about this issue, but they are for sure not letting on about it. Thank you. Change ), You are commenting using your Facebook account. What should be my next step? It’s Cold! When measuring low concentrations of CO2, it is necessary to extend the distance between the thermopile detector and the light source and use a high luminance light source. Hey, maybe we ought to get our plumbers license?? How and I are probably going to have to agree to disagree on this but, if you are only getting around 400Mv from the power pile then I would replace it first. It takes quite a bit of technical skill and know-how. Be sure to call and check before you start handling this on your own! These devices appear in numerous applications, including appliances such as gas fireplaces and fireplace inserts. How a Thermopile Pyranometer Works (The settings go from Low-High-A-B-C-You’ll definitely die if you set it here). Bias Voltage [V] Application of an electrical voltage to make operate a thermopile detector in a desired way. Hold down the gas control’s thermostat knob until the maximum voltage is reached, which may take three minutes or so. That would take days to receive a replacement…. Schedule a repair. Dealing with a low Honeywell thermopile voltage can be a real pain. It’s almost time for you to celebrate your victory with a long, hot shower. It didn’t!!! He’d also called Home Depot, and asked about a return. When this happens, there is no electricity, so it shuts down the gas control valve until the light is relit. If the sensor is fouled, remove it and place it in a small can that has a lid; pour gasoline on top of the sensor until it is submerged. While you might find that the time investment is worth the money that you saved from a professional repair, you want to ensure that you do not accidentally cause damage to the unit. We are getting great at this home DIY thing. Because of the thermopile characteristics the instruments could be small, light, low cost, have a continuous voltage output signal, and not require any external electrical power or control systems. And after 5-7 seconds gas valve Honeywell shutdown – with […] Remedy: The original Thermopile that comes with most gas fireplace will fail in the first 3-5 years. We brought our new baby home, and installed a water heater tank for the second time. Honeywell Thermopile Voltage Low: How we troubleshooted Update June 2019 : For those looking for a solution to this problem, we ended up un-installing our new water heater, hauling the entire tank back to Home Depot, and switching it out. It needs to since the coils in gas solenoids are pretty low resistance. You have just finished installing your new water heater, saving hundreds of dollars by doing it on your own. I have a pool heater that isn't firing when I turn it on. Every make and model may be slightly different. … Type above and press Enter to search. Each additional thermocouple placed in a thermopile increases the device's ability to produce electricity. Microvolts too low to operate the gas valve most often involve a dirty pilot --- with a wall switch not making a good electrical circuit being in second place as a cause. Ok, so that’s less than 1%. The next day, Sam got a hold of a Rheem service tech. The product fit perfectly and screw snuggly into place. We describe the properties of low-voltage-controlled switches that operate 120V lights and receptacles in homes dating from the 1960's to the present. It starts temporarily (a couple of seconds) but then the flame goes out and it flashes twice. voltage situation, sustained low voltage situation, under voltage, or a low voltage disturbance, including brownouts, sags, or power outages; (c) damages caused by war, vandalism, theft, normal use wear-and-tear, depletion, obsolescence, abnormal ... equipment repair facility to inspect and estimate the cost to repair such equipment. This heat input produces a temperature gradient across the sensor. 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