Ulcers most commonly occur on the inside of the mouth but may also occur on the tongue and lips, or in association with more generalized conditions, such as cancer. Allergic reactions to food and other substances may cause inflammation, swelling, and development of mouth white patches.
Part 3 Relighting the Pilot Light. 1. Turn the gas valve to the Pilot setting and push down on it. Doing this starts the flow of gas into the tube that supplies the pilot light. If your water heaterâs gas valve does not push down, look for a red control button near the valve. Hold this button down.
A bad gas valve will not allow any gas to go to the burner or pilot light. See Hot Water Heater Gas Valve for the issues surrounding this device. A clogged or partially clogged vent can cause this problem. See Venting a Gas Water Heater for information on keeping your vent clear.here are (2) Key Topics associated with ' Gas Hot Water Heaters '. Hot Water Heater Pilot Light-If the pilot light goes out, the water heater won't work. Gas Water Heater Thermocouple-A bigger problem than just lighting the pilot.