Keep holding the gas knob or button down for a minute or so to ensure the pilot light gets plenty of gas flow. Show More. A fierce, freezing draft sends shivers down your spine. Read on for reasons why, and what you can do to fix it. This started occurring after I did some gas plumbing and had to relight the pilot. However, no matter setting I adjust the wall thermostat too the heater will not light at all. I turn the knob to the pilot position, then press down and lite the pilot light and depress when it stays lit. Then I move the know to the on position and then turn … ... Propane Pilot won't light. Soot buildup on the thermocouple may block the flame. Push in on the knob and turn the control knob to the “Off” position. Turn on the wall furnace circuit breaker. Cleaning the pilot on your wall furnace can get your furnace heating once again and save you from an expensive service call. If you look very closely, you'll find the thermocouple tucked in behind the burners. Some common causes include issues with the thermocouple and pilot tube. If removing and cleaning the thermocouple is something you're comfortable doing, perform this routine maintenance annually. The pilot is typically located inside fireplaces on one side close to the wall. Cecilia Harsch has been writing professionally since 2009. The pilot has a small opening in its end that can become dirty and clogged with dirt and debris. I have held the pilot light button pushed in for at least 2 minutes sometimes a little longer, but to no avail! She has several years of experience in the home-improvement industry, focusing on gardening, and a background in group exercise instruction. Th... SER cable vs Conduit - Indoor subpanel ampacity/temperature questions. Gently pull the gas line out of the pilot assembly housing. The gas is flowing good. Not only does it prevent a furnace from operating properly, but an unlit pilot can also steal away the comforts of a hot morning shower. It won't cost you much. Water Heater Pilot Light Keeps Going Out? Pilot Stays Lit But Heater Won't Come On If your heater isn't working but you can see a steady, blue pilot flame, the thermostat may not be signaling the heater to come on. Standing pilot lights are common in older furnaces, but many newer furnaces have intermittent pilot lights or hot surface igniters. Slowly release the gas control knob. Do This When The Gas Fireplace Pilot Light Won’t Stay Lit. ... but the main burner won't stay lit when I flip the wall … When your pilot light will not stay lit for more than a few moments, turn the pilot light ON and be sure it is aimed at the thermocouple. Even a slight residue can make the thermocouple malfunction. Harsch received her Certified Nurses Assistant license in 2004. 2. This is DIY furnace maintenance you can perform on your own to extend the life of your furnace and avoid emergency repairs. Locate the pilot light and look for the tip of a copper rod very nearby. The only thing more frustrating than a busted furnace is the hundred trips to the garage for tools when you're trying to fix it. Turn off the gas to your wall furnace. Sometimes it's referred to as the "flame sensor." The pilot light is supposed to be a strong blue cone, not a weak yellow flame. Before conceding the cost of emergency repairs and calling an HVAC professional, read ahead for some of the most common reasons why your furnace pilot light won’t stay on. I suspected the thermocouple and replaced it, but this didn't fix the problem. If you cannot locate the cutoff valve, use a gas meter key to shut off the gas supply to your house at the outside meter. © 2021 Hot Point Heating & Air Conditioning LLC. When I hold in the pilot button to light it, it does light but when you release it the flame goes out. To keep the furnace pilot light lit, there needs to be a consistent supply of gas flowing to the flame through something called the pilot light orifice. If you suspect this is the case, or you have noticed that your pilot light simply will not stay on for more than a few seconds, turn the pilot light on and see if it is actually aimed at the thermocouple. How to Clean the Pilot on a Wall Furnace. This can happen with age. You awake on a cold winter morning and cast the covers aside. 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. If your pilot light re-lights easily after going out overnight, it’s possible it was blown out by a draft. Dyna Glo wall mount propane heater won't stay lit (pilot light). Locate the pilot assemble holding screw and remove it. Shut off the electricity to the furnace at your main breaker panel. You may be able to fix the problem on your own if you’ve got the tools and the wherewithal. Your furnace may not be getting enough gas to keep the pilot lit. Attempts to re-light the pilot light are futile. Something's wrong. Here are the top five reasons your pilot won’t stay on, as well as methods to fix each issue. Slowly let go to make sure the pilot light stays lit. Pliers. The first thing you should do when faced with fireplaces that won’t stay lit is to make sure your pilot light is lit. The single-pole breaker operates the blower motor inside your gas furnace. Screwdriver (if necessary) Furnaces of various kinds are gas powered and use a pilot light to supply heat to the unit, including standard home furnaces and floor furnaces. Keep every intake air register in your home open and clear to avoid a “vacuum” effect in the inlet. Under constant exposure to a hot flame, a thermocouple wears down over time. Standard gas log sets are fairly simple. She writes mainly home improvement, health and travel articles for various online publications. Contact professional furnace repair technicians at Hot Point for thermocouple repairs if you aren't so confident. The thermocouple detects the pilot light via sensors. A weaker flame won’t envelop the thermocouple properly. The supply line is near the furnace and has a cutoff valve to stop the gas flow to the furnace. When natural gas consumption peaks, the “gas grid” in your area may be nearing its capacity and lower the gas pressure intermittently. There could be nothing wrong on your end. Hot Point Heating and Air Conditioning offers flat rate pricing on all of our Wisconsin repairs, meaning we charge exactly what we quote and don’t stray from it. I have a Gas Wall Heater and the pilot won't stay lit. Many HVAC techs will try to employ shady, scammy tactics to get the most money out of you. When the pilot on your wall furnace does not stay lit, your furnace won’t heat. It doesn't work, you need to call a repair person or install a new thermocouple yourself. If the thermocouple fails to shut off the gas, all the gas flowing through the furnace could get into your home. If your pilot light won’t stay lit, the thermocouple is very likely the culprit. On the Williams 3509612 wall heater with the eletronic ignition. Replacing a broken thermocouple is cheap and relatively easy if you're mechanically inclined. If the thermocouple isn't lined up correctly, it won't read the flame, and will shut the valve for the gas. The access panel is located at the bottom of the furnace and is held shut by one or two screws. You may be able to fix the problem on your own if you’ve got the tools and the wherewithal. So, you have to turn off the gas, clear the tube with compressed air and relight the pilot. Williams wall heater pilot light switch assembly part# 241973824 where is my on furnace millivolt definition what The problem may be a genuine defect or it could be an issue with the sensor. I have a williams furnace, gravity vented wall furnace, natural gas and the pilot light is lit- and remains lit. The pilot orifice may be full of dirt. The pilot light flame needs to completely envelop the top of the thermocouple rod so it knows the flame is on. © Copyright 2020 Hearst Communications, Inc. I can light the pilot light on my Dearborn model DRH35ASTR-1N gas heater; however, after the furnace turns on for a couple of minutes, the furnace and the pilot light go out. Unfortunately, there are a variety of reasons why pilot lights go out, all of which are dependent on a number of factors. I've tried that, but still no luck. Locate the copper rod near the burners. A bad regulator in your natural gas meter outside your home will affect all of the gas appliances in your home, including your furnace, dryer, stove, etc. The thermocouple safeguards against a catastrophic buildup of gas. No matter the pilot configuration, the thermocouple will be near the burners—look for a removable metal rod nearby. The pilot will light, I turn it to on and it stays lit. I replaced a really old wall heater with a brand new one today. 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