Water Heater Pilot Won't Stay Lit. I shutoff the main gas feed due to a loss of water to the tank. If your pilot light won't stay lit, this can be for a few different reasons: the thermocouple, the gas pressure or the light itself. A pilot light that wonât stay lit; An electronic Igniter that wonât spark ; Thermostat problems; No Heat or Insufficient Heat â A Rheem Furnace that Wonât Do Its Job. My in laws have a Rheem 21V40-38 and the pilot light will not stay lit. I have good water flow through the heat exchanger. When I press the pilot reset button (allows a small flow to generate the pilot light) and use the piezo sparker, it lights fine. One brand name is WD-40. Relevance. 9,168 Posts #21 â¢ Jan 13, 2013 (Edited) mike356 said: I came across this thread via Google, and found it very helpful. Pilot light won't stay lit. Started Friday the 25th, so far - Answered by a verified Plumber She bought it March 03. Water Heaters - Water heater in attic won't stay lit in TX. These numbers seem to be ok per Rheem. share. A reason this can happen is the pilot shut off does not shut down when the burners safety does. save. Satisfied Customers: 24,499. It did this 3 or 4 times and then stayed lit. Ask Question Asked 5 years, 7 months ago. If you have a natural gas or propane water heater and have opened your hot water faucet to find that thereâs no hot water, the usual culprit is the pilot light going out. Water heater burner won't stay lit. I have a Rheem Water Heater MDL 21vr50-2p Propane. My Rheen furnace ignitor glows red, the gas is lit & is blown into the heating duct by the fan for about 3 seconds. Joined Feb 6, 2006 Messages 35 Location Alabama. Replaced the thermocouple; pilot lite â¦ LOL just kidding..... â¢â¢â¢ More options. Then the pilot won't light again unless I wait a long time before trying again. So the system lights, then the signal goes back to the board to tell it that its lit. With a r65rr control. 1. Rheem water heater- pilot light will not stay lit after having been turned off to install new water filter system. I was wondering if I should attempt to replace the pilot burner or since the unit is ten yrs old go for a replacement which has been quoted as 650 for all labor and materials including the new water heater. My Rheem Criterion II won't keep the burners lit. If that signal doesn't get back to the board or the board just doesn't see, the system shuts down. I've replaced the thermocouple, cleaned the burner, cleaned the vent, and removed and checked the flue baffle. I can get the flame the light, but it won't stay lit even though the thermocouple is new. With renewed confidence, I went to the water heater and gave it another go. Turn on your hot water tap and wait for about 4 -5 minutes for the burner to ignite. Viewed 6k times 1. Share this conversation . This guide to common water heater problems covers gas and electric models from Rheem, Ruud, and other brands. Answered in 4 minutes by: 3/18/2014. 79.9k 5 5 gold badges 93 93 silver badges 210 210 bronze badges. After 3 times the furnace goes into lockout, and the only way to get it out of lockout is to turn the power switch off and on. Begin by checking that your furnace is working. Sep 9, 2008 #1 Hi Jake, Got a new one for you. A couple of weeks ago we got a lot of rain around here and our basement got flooded. Now pilot won't stay lit. I replaced sump pump and basement has been dry for 3 days, I checked inside, burner is dry, blew out lines, no water anywhere. share | improve this question | follow | edited Dec 31 '15 at 11:36. isherwood. Troubleshooting these problems with a water heater's pilot light can be done at home. Now pilot won't stay lit. Sort of like a marriage. rheem furnace will ignite, but not stay lit. My Rheem gas water heater wont stay lit sometimes. Show More. A faulty thermocouple or malfunction of the gas valve could be the culprit, but the problem may be as simple as a draft coming from a crack in the wall or under the door. The pilot light is a small flame that ignites the gas burner. - My mother's water heater won't stay lit. Hi, I have a rheem gas water heater, 3 months old, bought at home depot, unfortunately basement flooded and water heater covered about two feet high by the water, the controls are Honeywell, I believe they got wet. I have a State Select Model PR650XCVIT Natural gas water heater is approximately 2 - 3 years old. Rheem â Aquamax â Dux â Valcan â Thermann. Size is 83 gal approx 9 yrs old Would appreiate any suggestions for troubleshooting. 100% Upvoted. After about 30 seconds, heat from the ignited pilot light flame activates a simple electrical switch called a thermocouple which ensures that the gas supply to the pilot stays open and your water heater keeps functioning. Faulty piezo igniter. Ask Your Own HVAC Question. What happens when the pilot light is lit, but the heat still wonât turn on? Whether you need high water delivery or low energy costsâor both, we have your next water heater. Why? Why Wonât My Water Heater Light? Before taking the Rheem water heater pressure relief valve below, itâs worth remembering the potential dangers â burns â¦ New thermocouple didn't fix the issue. Although a blocked gas line is one reason why the pilot light on a Rheem water heater won't light or stay lit, there are other reasons as well--some easier to correct than others. hide. The plumber told her that the orifice was not the right This means it can be a nightmare when your water heater pilot light wonât stay lit. Replaced the thermocouple; pilot lite â¦ My gas water heater won't stay lit, tried everything. Chances are, itâs a problem with your burner. Still the pilot would not stay lit. I'm having trouble keeping my water heater burner lit or lighting automatically. With a r65rr control. Today I am having the same problem. HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 6 years ago. Granted, a very few rare occassion but I have encountered it. Problem: Your furnace main burner ignites, the main burner stays on for 8 to 10 seconds, then shuts right back off.Your furnace tries this ignition sequence again, and the same thing happens. Active 5 years, 5 months ago. We call that a failed ASO. After I light the pilot, I switch on the gas and it lights -- and then goes out almost immediately. Sometimes your water heater pilot light wonât stay lit no matter what you do. I checked the pilot light for dirt or anything maybe clogging it already as well. Any ideas? 5 comments. How to fix: In most cases, it is advisable to change the burner entirely, but first you can conduct some preliminary checks. WHY? One of the reasons why there is no hot water is when the burner did not ignite, and this is happening when the pilot light does not light. So here are the reasons: If the pilot line is clogged, clean it or replace it. Experience: Endorsed for unlimited heating, cooling, oil burners, boilers, refrigeration, â¦ Observed that the pilot light is lit but can't hear the main burner â¦ I shutoff the main gas feed due to a loss of water to the tank. The gas valve is a dumb part and only does what its told to do by the board. The furnace goes through this cycle 3 times, then stops altogether. Over my years servicing water heaters, there have been a few occassions where the pilot will remain on but the burner fails to light. Gas and Oil Home Heating Furnaces - Rheem Classic 90 Furnace - Won't Stay Lit - HELP - I have been doing some research on the net, and also here on this forum. Water heater won't stay lit. Both times, the water got high enough to douse the â¦ In some cases, it could also be an indicator of potential gas buildup. 4 Answers. 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