Test for Gas Leaks. The pilot is still lit but I don't hear any difference in the gas flow when turning on the switch so I'm assuming one of the safety circuits on the regulator is preventing it from opening up fully to supply the larger volume of gas for the burner to fire. Most gas hot water heaters us a pilot light to ignite the burner. I have a williams furnace, gravity vented wall furnace, natural gas and the pilot light is lit- and remains lit. Here we will look at some of the widespread reasons why the heater’s pilot light at your home might go out and what can be done to avoid it. Chances are, it’s a problem with your burner. 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. The flame sensor is responsible for regulating the gas flow to the burner. Replace the thermostat if it doesn't turn on the burner to heat the water. If the pilot does not light, the water heater will not heat. I turned everything off, and started from scratch after a while. I woke up to cold water. The burners do not light. However, in some cases, other issues can prevent the pilot light from being lit. The gas is on and the pilot is lit. If the pilot is restricted, try removing it and clearing it with a stiff brush and/or compressed air. A boiler has a pilot light that ignites incoming gas to the unit. Determine what style of water heater you have. If the pilot is restricted, try removing it and clearing it with a stiff brush and/or compressed air. Pilot Will Not stay lit when button is released: 1. There are some more expensive models that use electronic ignition. Turn the control valve to “on”. Pilot will light but the main burner will not come on: 1. When your tankless water heater fails to produce hot water, its burners do not ignite when you open your hot water tap to start the flow of water. Malfunctioning Flame Sensor. Sounds like the main gas valve needs to be turned from PILOT to the ON position. If the pilot cannot be cleaned, replace it. ð•Since there are two flames on the pilot (o ne to heat the thermal -couple and one to light the burner) the port that lights the main burner, may be Make sure to follow the directions on your water heater label. Your hot water heaters pilot light is on but the ... Thermostat setting may be same as room temperature ,therefore boiler will not ignite. Why does my pilot light, but the burner won't light? Bradford White water heater troubleshooting is the first helpmate for specialists while repair works of these high-tech machines. The pilot light is actually a bigger flame then the flame I … Relight the pilot light. This can happen with age. All of a sudden yesterday, thermostat clicks on and the pilot doesn't ignite a full flame to heat the room. A worn out thermocouple is one of the most common gas water heater problems. There are several reasons this may occur, including an electrical problem, an issue with the gas flow, damage or wear on the flow sensor that tells the unit when to activate, and dirt or dust buildup affecting the pilot assembly or burners. 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. ... You should be able to see a spark in the burner chamber when the blower switches on. Pilot light lit, but burners won't ignite? Pilot light stays lit on my gas water heater but burner doesn't work. If your pilot doesn’t re-light, won’t stay lit or keeps going out after a short time, you most likely have an issue with the hot water heater thermocouple. If you attempt all of these quick and easy remedies to get your Goodman furnace to ignite and it still … Water Heater Pilot Light Keeps Going Out? 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