Perhaps the pilot light is out and the gas has been turned off at the valve.
The pilot light goes out when the fireplace is turned off because it is no longer needed to keep the flame ignited. The pilot light is a small flame that stays lit constantly to ignite the main burner when the fireplace is turned on. When the fireplace is turned off, there is no need for the pilot light to continue burning, so it goes out.
No because water heaters have a safety valves and when the pilot light goes out the safety valve shuts off the gas
If the pilot light goes out on your gas appliance, follow these steps: Turn off the gas supply to the appliance. Wait for the gas to dissipate before attempting to relight the pilot light. Follow the manufacturer's instructions for relighting the pilot light. If you are unsure or uncomfortable, contact a professional technician for assistance.
To safely and effectively light a gas heater, follow these steps: Make sure the gas supply is turned off before starting. Locate the pilot light and follow the manufacturer's instructions to ignite it. Hold the pilot light button down for a few seconds to allow the flame to stabilize. Once the pilot light is lit, turn the gas supply back on and adjust the temperature as needed. Regularly check for any gas leaks or unusual smells and have the heater serviced annually by a professional.
A thermocouple in a gas heater is a safety device that detects if the pilot light is on. If the pilot light goes out, the thermocouple shuts off the gas supply to prevent a dangerous gas leak.
When pilot light goes out, gas flows out of the pilot light nozzle. If out has continued for a long time, a gas cloud can develop around the furnace. When you go to light the pilot light, you'll ignite this gas cloud and make a big fire ball. If your basement is drafty, you might never get a huge cloud of gas hovering around your furnace. When you notice that your pilot light is out, you should shut off the gas to the furnace and allow any stray gas to dissipate before you turn the gas back on and light the pilot light. alliedallcityinc.com
You may mean a 'thermocouple' - this is a small metal bulb that sends a signal to the gas regulator that the pilot light is on or off. This is a safety feature that will not allow the gas regulator to open if the pilot light is off.
It is supposed to quit burning.
Common signs of a malfunctioning thermocouple include the pilot light going out frequently, difficulty in lighting the pilot light, or the gas appliance not staying lit. To troubleshoot and replace a bad thermocouple, first, ensure the gas supply is turned off. Next, locate the thermocouple near the pilot light and disconnect it from the gas valve. Install a new thermocouple by following the manufacturer's instructions, making sure it is securely attached. Finally, relight the pilot light and test the gas appliance to ensure it is functioning properly.
To relight the pilot light on your Honeywell water heater, follow these steps: Locate the gas control knob and set it to the "off" position. Wait for at least 5 minutes to allow any lingering gas to dissipate. Turn the gas control knob to the "pilot" position. Press and hold down the pilot button while using a long lighter to ignite the pilot light. Continue holding the pilot button for about 60 seconds after the pilot light is lit. Release the pilot button and turn the gas control knob to the desired temperature setting. If the pilot light does not stay lit or you smell gas, turn off the gas supply and contact a professional for assistance.
To safely relight the gas stove pilot light in your kitchen, follow these steps: Turn off the gas supply to the stove. Wait for any lingering gas to dissipate. Locate the pilot light assembly near the burners. Use a long match or lighter to ignite the pilot light. Hold the pilot light button down for a few seconds to ensure it stays lit. Turn the gas supply back on and test the burners to ensure they light properly.