Note the LED flash sequence. I am convinced there is a design problem with this product and this item should be recalled. Just came home one day and the pilot light was out (this is the second time). Note that sometimes it can be hard to get the valve closed completely if this was the first time and you had never done it before in years of use. It is now running with no problems thank you for saving me 125$ plus shipping. One note, since I did not have any clip leads I just used a rubber band to hold two pieces of speaker wire to a AA battery and held the wires on the pins with my index fingers. Correction, meant to say gas control valve, not thermostat. These sensors, provide the fail-safe mechanism through which the, temperature control as well as water temperature. I also drained a small amount of sediment from the bottom of the tank, which was mostly brown water. Have fun boys! The Thermopile already supplies the current necessary to open the gas valve! I didnt use a battery and just jumped upper left and upper right pegs. Worked like a charm with an old AA battery & a couple of bread ties, thanks for for sharing the knowledge! Important to note, new wires were different colors! If no updates this worked for me. Also, is the setpoint continuously variable as the dial is turned, or are the labeled settings stepped and all there are? So I called and paid the $30 to get a new one delivered the day after Christmas. Holy Shite.Im at the end of my gas heater nightmare with one thing left to doreplace the whole valve and im back and runningwas researching whether to do it myself, then ran into this article about the dreaded four flashesalready had the valve, and presto, in 10 minutes I had a working water heaterI love the Internetand Tyler, you are my new hero. Folks, here is the problem with this controller design. It installed easily. When I screw the gas adapter, just half way in the screw, the housing cracked. My Family thanks you for the tip to reset the Honeywell Gas control valve. As a side note, the light on the new valve is white. There is no pilot, it just ignites completely as needed with electronic ignitor. Also turn the black dial to Off. I do believe I will call for my warranty replacement anyway as it is likely needed. I have set a reminder in outlook to drain my tank once a year from now on. Sediment in the bottom of a tank reduces efficient heat transfer from the heat source (gas or electric) to the water by putting a layer of less conductive minerals between the two. Cheers. If it does not open then that means the pilot did not stay on. I cant think of how many brands of water heaters use the same honeywell gas valve. I will miss 7 -10 years of worry free 1 viewed per hour. It did not need to be reset (zero resistance across the terminals). Let the pilot without the chip wires plugged in then turned it off. So to all of you, thank you! The customer service representative explained to me that I needed a new Gas Valve and that if there was a store around me that had the Gas Valve, I could buy there (Menards, etc.) Too good buddy, the solution you proposed works like charm, all working now ! NOW MY WIFE WILL THINK IM SOMEONE IMPORTANT. My light is now white instead of red and the electronic board appears slightly different. What number did you call? Well, hows your repair going? Whirlpool sent me the upgraded replacement. you will get a 7 flash error. Unscrew one screw at the bottom of the gas valve. I was told that you can use the yellow teflon and sealant for gas and water, but the water products do not work on gas. Thanks so much. 17 product ratings. What the gas pressure has to do with a faulty temperature sensor is a mystery to me, and perhaps just part of their damage control process to delay things. Pull the three wire connector off the circuit board by pulling it straight out. Mounting: Mounting in upright position only. Speaker wire. Do this at your own risk, your mileage may vary. My Honeywell WV8860B1309 failed after 2 years. This is if the controller just will not cooperate. Only 1 day without hot water thanks to you. Thanks for you insight. And so the very thin wires (at point where wire became tinned or soldered) became brittle and had broken. This item: WV8840B1109 Gas Valve for Honeywell Whirlpool Water Heaters - WV8840B1109 WV8840B1042 $429.99 Fixitshop Water Heater Pilot Assembely Includes Pilot Thermocouple and Tubing Natural 24" $14.99 Water Heater Pilot Assembely Includes Pilot Thermocouple and Tubing LP Propane $14.99 Product information Technical Details Additional Information With the new unit, since it goes into the water tank itself, do you need to drain all the water from the tank before replacing it? WT8840 TRADE WATER HEATER CONTROLS 34-00013EF01 2 PLANNING THE INSTALLATION WARNING Fire or Explosion Hazard. 2. Of course I would have to pay for service. Bioluminescent Reindeer and the Value of Diversity. So I changed that out for a 1/4 turn one, much easier. Im going to take everyone elses lead and call for a replacement valve. This is huge the most important post. I have drained the tank twice and in both cases I got virtually NO SEDIMENT out of my water heater. Depending on your levels of finger strength and determination, you might need the screwdriver to depress the tabs. The replacement valve I received also has a white sensor light instead of red, and it has a metal capped sensor instead of black plastic. That SHOULD simply cause the heat source to have to stay on longer to heat water, not get the water too hot; 3. Add Sears to Lowes of where not to buy a product. Got 7 blinking lights burner came on and back to 1 blinking light. I had the four blink Water too hot issue. About 5-10 minutes the 7 flashes reverted back to a single flash, maybe got lucky. Asked the associate, he said they are all interchangeable. My hat is off to you David, I followed you instruction and it clear the fault and is now heating my water. Called for a replacement through AOS Smith and in the meantime followed Davids How to un-fault a controller mission with success. They charged me $30 to ship a new white light control valve and i installed it. Lady on phone said they werent aware of any problems but our heater still under warranty and would send us a new valve. Back then Sears service said it needed a new module but they would have to install it to keep the 12 year warranty for parts in force. They have a manual shut off. and see what the thermostat looks like). Again, not a water heater expert, just saying based on my own experiences with the ones in my home. Sears is charging $181.64. After a lot of back and forth they sent me the module which was a breeze to install. my water heater pilot light went out. What is top left pin and the top right pin you arereferring to, while holdingcircuit board still inside the controllerassembly and facing towards me which corner are youreferring to, can you please give me some details or a picture thatwould be great. Ill let you know in a year! It will die eventually and it would be nice to have the gas valve ready to go. Problem solved. Set the dial to a reasonable temperature that wont upset the finicky little thing, and you should be good to go. Maybe the situation was wrong, maybe I just didnt hold my tongue the right way. I must say the internet is a life saver for problems like these. and cannot get circuit board outtheres a screw of some sort and and something that looks like glass attached before it will let go? If the new valve is basically the same model as the old one, you dont need to pay a plumber to replace the evil valve. The pilot light alone is keeping the solar water warm all night at about 120F. I used the short across the top left and right connectors while everything was still connected method as my problem was a straight 7 flash error. One of the comments below, describes a way to do this by hooking a battery to a couple of connection points on the board. Those two must also be connected which ever method is selected to correct the problem. Just lit the pilot again and set the temperature!! I havent opened the valve yet out of curiosity but from what I read here, the Capacitor sounds like a good culprit. New controller on the way but hot water is now flowing. Although, it wouldnt hurt to turn the gas off at the water heater line by twisting the valve into the horizontal position. Resideo WT8840B1500 - WT8840 Water Heater Gas Valve Control, NG - 2" Spud, 5" W.C.- WATER HEATER GAS VALVE, STANDING PILOT WITH PIEZO, SETPOINT 55-155F, SPUD LENGTH = 2", BRACKET= CENTERED, REGULATOR SETTING= 5" W.C., GAS TYPE=NATURAL GAS <br><br> The WT8840 series is the Water Heater Control for trade use to replace WV8840 valves used in AO Smith and Bradford White Water Heaters. I suspect it to be calcium and salts. Executive summary: Once it has detected a water too hot event, the gas valve will never work again unless you know how to reset it. Genius. Be sure the tank is flushed as much as possible. The water heater had supposedly over heated, even though I had never had it set to anything but low in the 3 years I have had it. I tried this simple solution you provided and it worked awesome. On one end make two tiny wraps to fit over the left and right pins on the valve under the cover like described elsewhere. (Published under a different name to sow maximal confusion). It took right off and has been working fine. Amazing! Some people said touching the 2 top posts and you said top right and bottom one. It is interesting to note that 106F is normally just about as hot as you can stand in the shower. My background issue: The heater would simply stop working every once in a while, with no lights flashing whatsoever. They have a manual shut off. Get a contractor model. I nervously turned the controller dial to the 9 oclock position, the burner burst to life, and today I have hot water again. So now it is connected up as it would be normally but without the cover attached. It has a stainless steel protective cover. One small jumper wire is all thats needed! limit (Temperature Cut-Out [TCO]) function. I did follow the advise of flushing the tank. inlet and. Gas and Flame Detection. Troubleshooting (just to make sure it wasnt the thermal switch or something) I took the board only out of the new valve they sent and put it on there. The GE people walked me through a reset process over the phone and it fired right up. I released the pilot knob and advanced the setting to HOT and the main burner came on.. Yay. I would like to pursue the same solution (get a replacement). Why doesnt Lowes carry repair parts for the water heaters they sell? BONUS!!! With 4 flashes, I unplugged the little cable for about 10 minutes and replugged in and got 7 flashes, but after another 10 minutes or so, it reverted to 1 flash and fired up. The most I have had to do this is twice before the fault cleared. Now WH is working fine. Can cause severe injury, death or property damage. $30 plus tax and I will roll up my sleeves and attempt to do this-I CAN DO THIS (I think) In the mean time I will be stinky at work and my hair will serve as grease for deep frying. The wt8840 is powered from a thermopile heated by the standing pilot flame. the gas did shut off but it was drained for a vinegar cleaning. Just for reference THISpicture shows the wire that attaches to the control board. Pre-Owned. After removing the controller board and the wires, I had to reattach it to light the pilot light. I saw that the light went out and the pilot had gone out. * Honeywell Gas Valve on a Water [], [] How turn water main cutoff valve , In event main water valve fails, final backstop operate shut water house: main water valve street.. How to Turn Off Your Water Using the Main Cutoff Valve on 411 plumb: &p valve water heater leaking, Learn determine &p valve water heater leaking fix leaking &p valve.. 411 Plumb: The T&P Valve On My Water Heater Is LeakingResetting #$%@!! I had the unit replaced. Few minutes later, gave me the all clearThermostat requiring heat (No faults). I had the first valve replaced under the one year warranty but sears will not replace the valve under the six year warranty. No battery, no removing of circuit board, just a short jumper wire. Cold water for 3 days in winter. Wait a minute to be sure, then turn the knob to off, and disconnect (the RED and WHITE power leads first) everything and reassemble the controller normally and start it back up. heres what i did take off the cover on the valve and disconnect the 3 wire connector. I had to pay $30 overnight shipping. Jolie, even you can do this. There is also a White or clear silicone rubber gasket that is entangled with pins and solenoid wires. If you cant get the pilot lit, the thermopile that generates the .75 volt power to the controller will not be generating any power either. I even suspect there is a simpler method to do it than the one Ill now detail. Pilot light will come on but wont stay on after releasing the button. Slide the power switch off. any suggestions ? After refitting the cover and lighting the pilot again, this resulted in the 7 flashes as mentioned in another post. When it calls for heat the damper opens and the pilot ignites but the main burner will not activate. Some points to consider: 1. Cheers. Dead as a door knob. Be sure the pilot stays on before continuing. This controller issue is a serious concern for me as I often leave for weeks at a time with the rest of the family to tend to the fort, but they would not know what to do, so I shall have to give specific instructions with pics etc. 3. The water heater is a Kenmore and I called Sears but they only wanted to send out a service worker for $79 to diagnosis the water heater although I explained numberous times that the water heater is OK It is the controller that failed. I dont think it is cost effective. It cant flip up (actually it can if you try hard enough, but then youve probably broken it). Well it died for good. If you are getting 750 millivolts at the RED and WHITE connections, then I would think it is a dud. Honeywell covered the replacement unit cost including shipping. You can only find the entire assembly. Rheems quality control gets low marks for the initial failure. In this case relight the pilot and try again. I did order free replacement the part and went for the free ground ship to Calif as well as i had faith in you guys thatthe tips would work before the part got here. I understand that the Honeywell product is in recall. YOU are a SUPER GENIUS! The valve in my heater is a revision C and has a blue status LED for normal. Thanks for the information and comments it help me restart my waterheated. This is the second time mine has gone out in 27 months. At least it works again and Ill have the replacement ready if it ever fails again. This option is great because it saves you a lot of plumbing and headaches replacing the old valve. If youre ever in Fort Wayne Indiana, Ill treat you to a steak dinner/sushi/(or your preference)! I cant believe this actually worked!!! I hope this helps others! Started right back up. Good info here, had 4 flashes, remove white valve cover after lighting pilot, place a jumper wire across two posts that were right side top , pilot quit, waited, relit pilot, turn gas control to low, main burner lit. step by step please for dummies. (day job of electrical engineer). After turning the heater off and shutting off the gas to the unit. I just frankenvalved my unit last night and it is working like a charm! Got the ominous 4 flash a couple days ago after turning heat up too high. After going through this ordeal, I had the pretty much the same experience as ColdShowerMan. All, I called Whirlpool and they didnt hesitate to send a replacement which I need overnight because of my work schedule, so the $30 is worth it. (no blinks, no pilot) Turned it around and clipped it back in and went through the lighting the pilot light. Keep track of which front is which! Thanks to everyone that posted with this problem. Although the majority on this thread are dealing with Whirlpool heaters and the infamous 4 flashes of death, my heater is a brand new Rheem, installed just a couple weeks ago. Took a wire and touched the two pins where the thermo plugs in. Voltage Minimum: 350 mV dc, open circuit. The valve is known to be defective and maybe they will help ? It saved me $150. This would do the same as pulling the connector off the board and relighting the pilot momentarily. It only puts out about 0.5 volts, but it is enough energy to operate everything. This is an excellent solution. ( P.S. My tank is fed solar preheated water, and so far, that water has been warm enough that the main propane burner has never fired with the thermostat set to LOW, so I was just curious. I had to do it again so Ill detail what seems to have worked form me. 1. Probably not, but it was worth a try. Thanks for the info. The water heater is a Kenmore and I called Sears but they only wanted to send out a service worker for $79/$90 to diagnosis the water heater although I explained numberous times that the water heater is OK It is the controller that failed. THIS METHOD WORKS!!! Put the cover back on and relight the pilotand set your heat temperature. It is powered from a thermopile heated by the standing pilot flame. reattach the front cover with the wires still unplugged and light your pilot. does this mean I have to replace the entire valve? Had a 7 blinking light. The light started the all is good single blink and the furnace fired up. Move the control to Hot and the Water Heater main burner should come on. Its an excellent description, and if you dont already have the new valve, I suggest you try that first. 6. This whole thread is very interesting. Ive been reading through all this information, but other than learning the honeywell unit is a POS, I havent figured out my problem. > Isnt there any way to tell the gas valve to [reset the error condition]? I understand that the Honeywell product is in recall. Nothing on the shelf that looked like the Honeywell. I closed the cover again and lit the pilot again. I shorted the 2 pins on top of the module base for maybe 30 seconds. Take the front cover off. The two wires (red/white) pluged to the honeywell box front rightside, power the box, make sure the wires are not loose, refer to diagram, mine were loose had to reattach with tiny plyers. Resetting the #$%@!! It is a V pattern. Plus the cost of the above repairs. I first noticed it a few days after install and immediately freaked and went to get the manual. I have always had it at one above on A. I have 2 bad Gas valves that i tried this on. Rheem, to their credit, is overnight shipping a new sensor to replace the bad one in the new Home Depot Rheem that I installed yesterday. Nothing else worked for me. Brand New. The main burner would go out without being up to temp (it may of been shutting off on the high limit ?) The instructions are short, but they have very helpful tips and information. Turned the dial to low and it started heating. Untwist wires and relight pilot. I hear a click when the pilot tube opens but no 2nd click for the main tube. The same issues and the dreaded 4 flashes of death. Appreciate the guidance. I cleaned burner and vents as well. Honeywell has a scam going, I paid over $500,00 for my water heater and several hundred to have it installed, since day one I have had nothing but trouble with the Honeywell thermostat,gas valve. save delay . 5. 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