Rheem next day shipped me a new Honeywell control valve. About this product. Feeling clean & grateful for hot water! This changes to red flash code when there is an abnormal condition. w~{c=?Y=R}N',8+*Skw:,q7o{v%NnxpwQNZy
ZpRe"n:o [KA8tX#aW:Y{HbTna+]U. I have not found a procedure to un-fault a Honeywell Electronic gas controller on any web site, so I think I am the only one to do this. 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. Take the front cover off. Well, I am having issues again and think I may have just screwed myself. Move the control to Hot and the Water Heater main burner should come on. Does the brains look at the voltage from thermopile to check for over heating or underheating? TOUGH! CS8840 pilot assemblies are designed for use with this control. So while they said just use the sealant through out, I actually used a combination of both. They said it needs to be assessed by a factory authorized repairman. Normally, you just need to dump a gallon or two at the most to get the sentiment out of the bottom of the tank. Repeat these steps with the new gas valve. Let me reiterate the steps Charles and I did so it will be on the end of the thread and readily visible. He gave me the $30 overnight speech but I opted for the $10 and some change shippingGot it 2 days later! Thanks guys!!! F-ING A BRA! Regardless what I tried, it was still 4 flashes. I also examined the circuit board and noticed a few minor differences, but I think the real problem was in the design and components. I have a water heater that is 18 months old and Im already repairing it? It is likely a Super Cap of 1 farad or more used for short term memory retention. Hope this information helps! There is no pilot, it just ignites completely as needed with electronic ignitor. 2. Not much of a DIYer am i but after reading about this scam Honeywell has going on about these modules i had to try this and besides how many more cold showers can one man take..My results? It works! Water heater runs both water AND heating in the home 0 degrees in Denver right now! Most others had it for from $200.00. NOTE: Only do this if youre sure that the problem that caused the overheating has been corrected. These things foul the sensor causing the 4 blink death light pattern. Shipping to: 98837. Then I came down later when I felt the barely warm water. One small jumper wire is all thats needed! I followed your instructions to clear the fault and they worked fine. As a side note, the light on the new valve is white. Could someone make a diagram or snap a pic and circle what posts to jumper? When the pilot is lit, it will only glow blue, and not look this intense. I would like to add my experience with this hoping it may shed some light. This one broke after less that 1 year. Reviews are especially welcome. 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. When I relit the heater, it started up just fine and went into the normal 1-flash mode and still is, a day later. 5.0 out of 5 stars. Well, tried this with TWO circuit boards (one was original w/red LED, the second was replacement w/white LED). I suspect it is modified by Honeywell to be less sensitive to the issue because of complaints. Went back to buy a new thermostat. It will stay on once i jump the top left and right pins but it wont clear the code. I got right on the phone to service again and the first person said they would send out another Gas Control Valve, this time no charge for the shipping. Then This year the pilot went out and I tried to re-light by pressing the red knob pointed at PILOT and pressing the square igniter button. Now, I urge CAUTION when performing this fix as, without a working pilot, you could accumulate an appreciable amount of gas and risk an explosion. Pilot light will come on but wont stay on after releasing the button. The Right top Pin is the main gas valve. After spending 51 minutes with Sears customer non-service the problem was resolved within 20 minutes following Davids instructions. This does require one special tool, pictured at left. Genius. burners are on. At least then Ill have a stockpile when the water heater is out of warranty. If you need to, stick the screwdriver in from below to lever them loose. Even though it did not appear excessively dirty or clogged there was some soot present on top of the screen and a small amount of dust under the burner (& one dead ladybug). Dead as a door knob. Im trying this tomorrow morning. and then it might come back on or not. Be sure you first fix the problem that caused the overheating usually you need to drain the tank (which is recommended as periodic maintenance anyway). It is obvious that they are making a killing on money selling this to just about every water heater brand out there. This should at least get you hot water and time to get another controller from like Amazon. This unit is a P.O.S.! I think the Board discharged and thus reset the memory allowing it to operate again. The government mandates all this crap that fails! Ill call for the replacement to have on hand and keep the instructions. HELP !! If this becomes a regular issue, I might solder a pigtail to each of the terminals and get a battery holder from Radio Shack with quick disconnect terminals. w.c.) maximum inlet pressure, Body Pattern: 90 degrees with 1/2 in. I am now one of the afflicted and would not like to have to go through this every 18 months. The main burner would go out without being up to temp (it may of been shutting off on the high limit ?) Flushing the tank briefly seems to be a pre-requisite for this fix, so do that first. It took right off and has been working fine. The manual, and Sears parts deptartment, told me I needed a new control valve at $150. F Im so mad I want to shoot the prick who cornered the market on Honeywells crap. At this point the flashing light went to the Heartbeat flash (call for heat), the exhaust flap opened and the ignitor lit the burner. Look at a site like http://hometips.me/Mar/How-to-test-and-replace-Honeywell-gas-control-valve.pdf on how to remove the Controller circuit board (one screw and 3 tabs) and black control knob ( lean it to the side and it will pop out. Lessons learned eh? When I contacted Rheem again, without hesitation they said they were Fed-Exing me a new valve. Few minutes later, gave me the all clearThermostat requiring heat (No faults). I am trying to get an idea of how reliable the soluton is. I havent opened the valve yet out of curiosity but from what I read here, the Capacitor sounds like a good culprit. BONUS!!! The WT8840 water heater control from Resideo is designed for use in standing pilot applications using an immersion well for water temperature sensing. Say, Im going to rip you open, you dirty so-and-so. See whether the light goes back to its regular one-blink mode in response to this threat. The next two times we dealt with it in in a very non-technical way. This whole thread is very interesting. Use a flat tip screwdriver and remove the housing by putting the blade into the two top tabs and depressing slightly. Also, is the setpoint continuously variable as the dial is turned, or are the labeled settings stepped and all there are? Then once it started running went to one blink. Im not certain it works in all cases, but if it does, youre all set to go. They have a manual shut off. Remember these guys deal with this everyday. I would like to get my hands on the jerk that designed that piece of sh___. My hat is off to all of you. detail describe please. I had to be transferred to water heater division and wait on hold a while but it was well worth it.). Lore leaf, Great post! If it has now cleared. Resetting the #$%@!! The pilot would stay lit for a while and then go out with a code 2 blink. I was ready to take the circuit board into work and try to reprogram it through what appears to be a serial port (TX RX pins). My water heater is still working fine. If the heating chamber gets too hot, the button pops out and the pilot will never light until you push it back in. I suspect that shorting the posts is the way the Sears tech did it the first time. Well, a couple of hours ago, (New Years Eve), my wife ended up in a cold bath again, so I went down and checked and this time it was the 4 flash code. No flashing lights, no pilot light, nothing. ; 4. The valve location is high enough on the tank that sediment likely wont interfere with its temperature sensing ability; 2. After just a couple of minutes the code changed to 1 and now I have hot water. YOU are a SUPER GENIUS! my water heater pilot light went out. thank you so much. Honeywell Wv8840B1158 Manual. WV8840B1109 WV8840B1110 WT8840B1500 WV8840B1059 WV8840B1117 WV8840B1118. Its two pins go through the board. They would have to diagnosis the water heater and then order the part, and then come back again to install at an additonal service price. Whirlpool did not improve their product going to this control valve thermostat. A plumber I know told me he has replaced dozens of these exact same units. $49.89. What your friend did to fix your problem temporarily, was press the reset button on the safety interlock probably located on the access cover of the heating chamber. Yes my 20 month old envirotemp gas water (purchased from lowes) heater quit and is displaying 4 flashes of death . The WT8840 is powered from a thermopile heated by the standing pilot flame. They charged me $30 to ship a new white light control valve and i installed it. 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. First, do NOT buy any water heater with this type of controller (you can zoom in on the ad pic. Thanks in advance. Now the replacement goes on the fritz. So thanks to commenters earlier, before, and above. Tom. To RaulDLCs 3/25/2015 post: Thanks forcreating this site! Look at where the Valve body pins connect to the circuit board. I guess Water heaters are now interactive devices requiring yearly maintenance. I am convinced there is a design problem with this product and this item should be recalled. Thanks to all the posts here!!! reattach the front cover with the wires still unplugged and light your pilot. CORRECTING LAST SENTENCE: main valve (Right pin to (+), So I would recommend to you ( with Valve off the water heater and no gas applied, to test the pilot valve (left pin to (+))with the AA battery, and test the main valve (Right pin to (+)), and each individually should click, photo of pilot valve solenoid This is an excellent solution. The cover is still attached to the back of the unit by a colorful ribbon of wires, with a plug at the end that connects to the circuit board. 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 said call anytime and they can help. You dont have to drain the tank or disconnect any gas lines. Started looking on line for a replacement and came across this site. How long does the pilot need to be held on for the thermopile to get to operational mode. I must say the internet is a life saver for problems like these. )and insert the circuit board back onto the 3 Valve body pins as it normally would be (circuit components showing) without the cover attached. After the pilot heats the thermopile, and the LED blinks, I released the Red knob but the pilot would not stay on. When utilities came to check gas pressure, my gas was shut off and meter opened for half hour or so. Those two must also be connected which ever method is selected to correct the problem. Hey just wanted to say a BIG thank you to you guys for the reboot reset tips the jumper wire to all points worked best for me! OMG!! The new honeywell gas valve is completely electronic. Honeywell stinks & has caused lots of trouble for me. thank u CT. U and DB are $$ saversfor now anyway..LOL! Since waaaay too many folks have experienced this failure, and since it seems to be electronics related, and since Honeywell is sending out replacements willy nilly and asking for return of the defective valves, I suggest that the true culprit may be that some bonehead just programmed the software at too low a critical temperature. https://www.flickr.com/photos/7428166@N07/14129889951/ Thanks to this thread and bigger thanks to David Boone and the follow on info from CrankyTenants, after 10+ days without hot water and zero expense my water heater is now performing as intended again. I hope it helps someone. 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