We hope that your heater will stay lit. With a clean thermocouple, gas can travel to the flame easier and the heater will stay lit. Standard gas log sets are fairly simple. This is also a likely cause if the pilot won’t ignite at all. As a result, the pilot doesn’t get enough fuel to stay lit. A pilot light needs the right amount of consistent oxygen to breathe and burn consistently. Try cleaning the vent underneath the water heater. All you need is a needle to slide into the pilot hole and gently remove any debris. Yet another reason your patio will not stay lit is that the gas valve orifice is blocked. This problem only occurs in the summer. When you lite the pilot and hold if for about 30 sec, you let the button up and the pilot goes out or it stays lit? When I hold in the pilot button to light it, it does light but when you release it the flame goes out. was 20 deg. This allows time for all the air to get out of the line and gets the thermocouple nice and hot again. The air inlet gets clogged with debris. Sometimes there is air in the gas line which is blocking propane from getting to the heater head unit. Lift the protective flame screen off the heater, unscrew the nut and pull out the thermocouple. Is my breaker box three-phase or single-phase? Another possible reason why a pilot won’t stay lit has to do with the flex tubing. I can keep a flame as long as I hold down the button down (as when striking). It turns out thats all it was. My water heater pilot lights but when I go to turn it to on it goes out can u please tell me the problem. Don't change the size of the orifice in no way shape or form. No!! An operational pilot light in your furnace means safety from the possibility of a gas leak. Willing to try anything at this point. when i install a new TC, the pilot stays lit after about 10 seconds when it goes, i can hold the gas burning on the tc for 20 mins, and it wont stay lit. When the gas burner comes on, use a 50/50 dish soap/water mix to test the screw joints for air bubbles that indicate leaks. It seems the unit runs okay, but after a while the pilot begins to flickers and is eventually sucked out when starting on the next cycle. The pilot light will stay lit. How Do I Test My Thermostat To Make Sure It Really Works? Now, if it doesn't have an ODS pilot, some of that is going to change. I replaced the thermocoupler and the gas valve with a new valve (ITT General Controls B67RA56) and nothing different, it still won't stay lit. Its purpose is to not allow the gas valve to open if the pilot light isn’t lit. The problem may be a genuine defect or it could be an issue with the sensor. Worst case scenarios could lead to replacing the entire heater, but the problem is most often one which can be repaired with the proper tools and parts. Same thing happened to me with my gas furnace. Inquire as to who installed heating for them. After that , re-lite and it should stay lit. The question is asking, how to bypass/disable the sensor. It seems the unit runs okay, but after a while the pilot begins to … Install a direct vent unit, or gravity vent unit with air exchange. The Mr Buddy propane heater has a sensor which detects the amount of oxygen/fresh air in the area being heated. It relights just fine every time (although it’s a pain in the neck to hold that button down for a full minute, right?). I have a ventless propane heater. With a water hose, rinse the inside of the thermocouple tube, let it air-dry, then reconnect it. When try to relight the unit it wonât light until the next day after the door is opened to the greenhouse and it is aired out. Thankfully, a dirty pilot tube is the easiest issue to fix. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. The gas valve on this is heater is a Mertik Maxitrol GV31. What do I do? Thermocouple problems can be fairly common, and this component is often the culprit when the water heater pilot keeps going out. How to Fix. The flame sensor is responsible for regulating the gas flow to the burner. Its a GE barely a year old. Hey all I just had a good win with my water heater I thought I’d share. About 90% of the time, the propane torch works well the … NO one addresses this. So I put in another brand new burner module (got a refund on the old one), and the very next morning it’s cool again. ... How to connect 12 foot hose Mr Heater Big Buddy # F271802 to this propane tank network of valves? Pilot light issues are some of the most common problems experienced with gas water heaters. Here are the top five reasons your pilot won’t stay on, as well as methods to fix each issue. If the pilot won't stay lit, it may be because there's a … Suggestions? Turn the control valve to “on”. The pilot light in your hot water heater does more than simply ignite the gas. If it doesn't and goes out, it could be a bad thermocouple or the pilot is dirty. Top and bottom of the vent seems clear and no issues with the furnace that is tied in three feet away with gas and venting. The air isn't "coming in" enough, it has to be forced in with a small fan, try that. the temp. If the pilot light on your gas fireplace won’t stay lit, a very likely culprit is a component called a thermocouple. A healthy flame will be blue in color. Have tried three brand-new un-vented propane heaters. You will see dust fly out of the Ishtar at the base of the pilot. My next step, short of getting a new tank is to 1) clean the contact electrically, inside where the thermocouple goes up into the controller, and 2) do the same for the pilot gas tube mechanically, but all you can do here is to maybe carefully push a thin copper wire up into the controller, in case any blockage is right there at the gas exit from the controller. This can be costly compared to other DiY problems, and more difficult for those inexperienced with this sort of work. Without it, the water heater won’t be able to maintain internal temperatures, allowing the water to cool off. The gas supply to the pilot assembly is controlled by this valve. If changing the thermocouple didn't work, more than likely the entire gas valve is bad. The 2 inch hose for combustion air is irrelevant with neutral air exchange to the outside atmosphere. It then shuts off the gas supply as a safety precaution. Depending on your geographical location you most likely have quite a few options to choose from. On occasion, the tube can become kinked, interrupting the flow of gas. Any reading below this is a clear sign that the thermocouple itself is damaged and needs to be replaced. I think your ways are pretty easy to do and I am gonna try them. If you are on propane by chance make sure your water column is set right at the regulator, that was a problem I had in the past, a call to your provider and they will send a tech out to check it for you. Replaced the hot water tank and it worked for a day and went out again. But it got worse with the new one; it would go out after every tank heated. Fact: Unvented heaters and reasonably airtight greenhouses do not mix. I just posted a comment that should help hopefully. This is another relatively small piece of your fireplace that converts heat to electricity, ultimately opening up the gas valve when you turn on the fireplace. or does it burn lazily, blue at the base and about 1/2 of it yellow and curving up and not touching the pilot. The easiest way to diagnose a bad control valve is to try all other solutions first. I have replaced the regulator still will not stay lit when trying to select one of the temperature settings. Why does my unit burn low or won't stay ignited? That would explain why it would go out when it got warm because it would soften the obstruction making it more obstructive. I could be a leak in a pipe somewhere. This is a good rule of thumb for relighting the pilot in general, not just for diagnostics purposes. I've used this furnace for over 15 years without replacing the thermocouple. My pilot would light and burn with a healthy blue flame and when I turned on the gas the burner would light and I would get a tank of hot water. I put a two-inch flexible hose from the outside to come in under the heater for fresh airâ¦butane lighter lights in front of pipe...not in room. If you don't have canned air, place a long drinking straw over the end of the pilot and blow thru it forcefully. Thought it might be elevation problem (I live at 4,600â), but the last unit I bought is supposed to work to 5,500â. Method 5: Loose Gas Valve Checkup It senses when the flame of the pilot is hot enough to trigger ignition of the natural gas or propane that fuels the burner. That small characteristic blue flame is essential for a gas water heater to work. If the gas fireplace shuts off after a few minutes, it's pretty much always going to be a pilot head issue, or a valve issue. Blast some compressed air through the tube. If you have some canned air, stick the straw into the end of the pilot and blow back Thur it. Maybe there’s a problem with your gas supply, that’s why our wall heater didn’t stay lit. As a result, the pilot doesn’t get enough fuel to stay lit. Find a local heating contractor that has done Greenhouse installations. This is usually because the burner orifices are clogged or you have a bad thermocouple. its possible air flow is blowing out the pilot. How do you think about the answers? Can a 2 story house have only 1 A/C and heating unit? My uncle had this problem, he kept riping his hair out. My Fireplace Pilot Light Won’t Stay Lit. Source(s): warm morning gas heater pilot stay lit replaced thermocoupler out: https://tr.im/JyBbV. Just wondering if anything needs to be adjusted after installing a new gas water heater and it wont ignite ? I would guess the flexible pipe isn't bringing in enough air either. You should be able to get some info on what works best in your area. Sometimes, this tubing will get kinked in places which will prevent proper operation. Pilot light problems are common in gas appliances, such as water heaters, furnaces, and gas fireplaces. If the pilot light won’t stay lit and the thermocouple is okay, then the thermostatic control valve may be defective. A thermocouple which shows no signs of damage and is clean should be tested with a multimeter. If you need help with your water heater and aren’t sure what the issue is, please let us know what you need and one of our professionals will assist you. I have a Gas Wall Heater and the pilot won't stay lit. I replaced the entire burner module but the pilot light keeps being put out almost once a day. Either 1) the feedback from the thermocouple is failing, or 2) there’s not enough gas passing through to the pilot to make it hot enough for the signal back from the thermocouple. The sensor at the end should lightly touch the flame when the pilot’s lit. There is gas flow to the other appliances in the house. Sometimes, I encountered a problem that the light RV water heater pilot didn’t work and this is so bad to me. CC. 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