Page bookmarked! Went back to buy a new thermostat. Draining your tank yearly may have prevented this but who the hell does that. Water Heater Gas Valve Replaces Honeywell Resideo WV8840B1109 WV8840B1110 WV8840B1109 WV8840B1110 Furnace Heater Gas Valve Shut-off Slow Fast Opening Pilot Spark Hot Surface Ignition Repair Part . I cant believe this actually worked!!! Mine is the 1109 and has no posts. Good luck, and be sure to write Whirlpool and tell them their tank design valve is a piece of crap. That signaled an error code for a fatal flaw in the water heater gas valve. This piece of junk is only 13 months old. Although, it wouldnt hurt to turn the gas off at the water heater line by twisting the valve into the horizontal position. Its two pins go through the board. So this is the only site I could find regarding this stupid gas valve!!! In case you havent seen one before, its called a flat-bladed screwdriver.. Thanks again. Id rather spend money at some local cage, or boxing matches here in So. (I realize this is way after the fact but just adding some personal experience) 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. It may take a minute or so before the heating element comes on; be patient. Rheems quality control gets low marks for the initial failure. 5.0 out of 5 stars. * 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 #$%@!! Four flashes only happens if the water overheated different problem. My Family thanks you for the tip to reset the Honeywell Gas control valve. Is it flashing at you? 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. DONT BUY THEM. The wires for the main burner valve solenoid had not broken. I have drained the tank twice and in both cases I got virtually NO SEDIMENT out of my water heater. Just install the board with the cover removed as outlined. I got the dreaded 4 blink on a 3 year old water heater that had to have the control module replaced after the first year. Picture:here, 3. God Bless you! We have a drought in CA and losing 100 gallons (2 TANKS) of water every six months isnt backbreaking, but it sure is a pain that should not be in the design. In the meantime I figured the shutoff valve to the WH was not working then started to leak! While still contemplating my options, this morning the heater quit altogether. The WT8840 Water Heater Control is designed for use in Standing Pilot applications using an immersion well for water temperature sensing. Thanks. heres what i did take off the cover on the valve and disconnect the 3 wire connector. Neither worked, the second board is now dead. Gas Control Valve Kit (Natural Gas) Brand: AO Smith SKU: 100112336 ( 70) Q&A: ( 1) - + $163.99 each ADD TO CART In Stock Get 312 Wed, Mar 1 More Available Inventory Details Order by today, receive Wednesday Free Shipping This item ships free Easy Returns No restocking fee for 90 days Product Highlights - Natural Gas Specs - Contact Question? On one end make two tiny wraps to fit over the left and right pins on the valve under the cover like described elsewhere. . Now, for the praise! Whirlpool owners are fortunate that the company is sending them replacement valves. I have always had it at one above on A. smith), the gas valve went bad so I had to replace it. For anyone who encounters valve control failure, as long as the problem relates to this particular Honeywell valve controller model (mine was model NU50T61-403), I suggest to go straight to David Boones instruction in this thread for resetting the fault. They dont want to send any more parts until I pay someone to come look at it. After I reconnected got 7 flashes instead of 4 flashes and the gas valve opened properly. At this point mine lit the main burner and blinked 7 a few times then blinked 1 1 1 1. She then told me that she would have to transfer me to someone else to finish up because my unit has the power exhaust flap and that was a different group. 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. 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. Error clears. I touched the two top ones. This is how you can un-fault the Controller or make it check for a fault again (and clear the fault). Started looking on line for a replacement and came across this site. Honeywell covered the replacement unit cost including shipping. Do this at your own risk, your mileage may vary. I suspect it is modified by Honeywell to be less sensitive to the issue because of complaints. Atleast it did for me. Wednesday morning earlylooked on porch for another package I was expecting and found the new control valve. The dreaded 4 red flashes. This time I turned to this forum. My control has an additional wire plugged into the bottom of the controller (Im not certain what it does). and now I got myself a huge repair issue, what the hell is wrong with kenmore and Honeywell to make a dial that allows you to raise the temp up to A,B,C AND VERY HOT and just by putting it up to A now I get 4 blinking lights and have to pay a repair technician to come give me a diagnostic! I even suspect there is a simpler method to do it than the one Ill now detail. If it reads less than 12 volts, you may need to replace your gas valve or controller. Put it all back together and re-sealed the gasket with red (high temperature) RTV gasket sealer. Although the Frankinvalving wasnt an option/didnt work, it did show me what I was up against, introduced me to others who have had the same problem and what everyones resolution was. -thanks. As a side note, the light on the new valve is white. The pilot would stay lit for a while and then go out with a code 2 blink. One other thing I could mention and that is there is likely more to this story than what is apparent. Put the cover back on and relight the pilotand set your heat temperature. Wow, amazing! I am deeply in the debt of David Boone and would offer to buy you lunch should we ever meet. Voltage Maximum: 850 mV dc, open circuit. mwa-ha-ha-ha! Thanks for the info. This is the second time I have had the dreaded four blink failure in a 30 Gal. I hope this helps others! 3. Nope! The manual, and Sears parts deptartment, told me I needed a new control valve at $150. Even though there are 4 higher settings! Mine got here today, wont be changing it. I was afraid of cooking the old board. Ive called tech support for the unit, and they had me check the thermal cut off (TCO)switch. BTW To those who are confused about the poststhey are not on the circuit board or between the board & cover. Fixed it last night and still have hot water this morning. Rotate the knob to 9 oclock to see if it will fire up on its own. Franken valve worked! As he indicated, YOU DO THIS AT YOUR OWN RISK! I will now start flushing sediment every quarter instead of annually. So are you saying that you got yours from the MFR? BUT, the adapter for the wire harness only goes into the new board one way. After spending a day shopping for a replacement nowhere to be found for same day repair, and after 2 freezing cold morning showers, I followed DBs instructions and voila! It only puts out about 0.5 volts, but it is enough energy to operate everything. I dont know, but I do know you need to get the sediment out of there in any case, so you might as well try it. The two upper pins of V push out of the cover and have doughnut shaped gaskets to seal gases. Having been working with systems at this level for nearly all my life I will say it looks like the micro-code in the controller goes away and hides when it gets that dreaded 4 code. Thank you David Boone for your excellent instructions in your, How to un-fault a controller post. The two 10 inch jumpers wrapped around the left and right pins was the method that worked for me. Pilot light will come on but wont stay on after releasing the button. I used your method with Crankytenants jumper wire modification; thanks to crankytenants, as well. Awesome! DB: Instructions are clear and hope to follow this to override the Honeywell piece of crap Gas Control Thermostat on my 2.5 year old 50gal tank. WT8840 controls provide direct replacement, Pressure Regulator: The outlet pressure regulator, See appliance rating plate for inlet pressure range, 0.5 PSI (14.0 in. Many, many thanks for the previous posters comments that led to this fairly simple fix. Took the whole circuit board out and shorted the back of the capistor. What powers the light? When the pilot wont light and there are no flashes, the problem is generally that the heating chamber got too hot and tripped the safety interlock. THIS METHOD WORKS!!! Still working so far. tried several rimes, will not stay lit. Could only see me in the eveningReading about what you guys have done. Contemplated telling my wife and child to go take a ride around the block while I finished it up, but was confident everything was solid and ready. 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. https://www.flickr.com/photos/7428166@N07/13946581980/ I found the most reliable one is to install the parts without the cover and short the top two pins that go to the pilot light (left) and the main burner (right) and running it for a while. My plumber advised he has been seeing A LOT of these units fail. It is interesting to note that the water remained lukewarm with just the pilot lit over the past several days. Honeywell WV8840B1109 Gas Water Heater Control Valve. But they knew nothing about that. Once you have the pilot lit and the pilot valve on, (faint click can be heard) all that is necessary to open the main valve is to jump (connect) the top left pin to the top right pin. Thats what this sounds like and shorting across it is perfectly OK. Speaker wire. Air PRO Air Security PRO Security Water PRO Water Energy PRO Energy Partner with Resideo Pro Perks 2. Thanks for taking the time to post this. One big question. Gently wiggle out the housing. Hot water is a good thing!! It is . Rheem next day shipped me a new Honeywell control valve. I hear a click when the pilot tube opens but no 2nd click for the main tube. this makes it quite easy to press the starter. Got a back-up valve for free since mine was under warranty. Take the front cover off. This worked for me, and saved me some money and headaches. Sears is charging $181.64. Thanks for the submission. I first noticed it a few days after install and immediately freaked and went to get the manual. they refused to sell me a new control///, i will not buy awhirlpool; any thing again////////////. Maybe I can avoid the $120 labor charge the next time it breaks. As ColdShowerMan noted, there are differences in the new design they sent me. If you need to look at the back to see how the tabs are arranged, look at the new valve. Bam! I bet between all of us we could design a much better water heater. After spending 51 minutes with Sears customer non-service the problem was resolved within 20 minutes following Davids instructions. It Is Designed For Use In Standing Pilot Applications Using An Immersion Well For Water Temperature Sensing. Thanks to all the posts here!!! Lastly, be VERY careful when ordering your replacement unit, in that one has a square COM plug with four pin slots. Correction, meant to say gas control valve, not thermostat. While you have the old valve out, be sure to probe inside to see if you have gunk/sediment and/or crystals/salts. Plug the cord back in and found a guy that removed the board allowing the capacitors to discharge fully, (just by removing the board). Should I replace the Temperature sensor? I had to be transferred to water heater division and wait on hold a while but it was well worth it.). All models of, WT8840 include an integrated NTC temperature, The WT8840 is powered from a thermopile heated by, the standing pilot flame. Yes. In this case relight the pilot and try again. Also, is the setpoint continuously variable as the dial is turned, or are the labeled settings stepped and all there are? 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