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Have you turned the control from Pilot to On? Have you increased the temperature setting?
Gas not turned on to water heater. Gas valve on water heater not set to pilot setting. Faulty gas valve. Igniter for lighting pilot not working.
Have you rotated the gas valve knob to "run". Have you turned up the thermostat? Is the pump running? No pump water flow - no heat -- no filtration. Is the filter clean? When was the last time you cleaned the filter? Ken
"Pilot" is only when initially igniting your water heater. Some manufacturers state to leave it on "Pilot" for so many minutes before turning to on but this is only temporary. It should be then turned to "On" and then if you have a low, medium or high setting or degrees adjustment, adjust the temperature setting. Remember that most local plumbing codes and water heater manufacturers recommend a temperature of no more than 120 degrees F.
low back, spillage, or a bad thermocouple.
Here are some things to check. Is the thermostat turned up? Sounds silly but I went into many homes it was turned down, or the switch on the thermostat was turned to off Is the pilot lit? This assumes you have a standing pilot furnace. If it is spark ignition, does the park cycle start. Check all fuses and breakers
Thermostat setting may be same as room temperature ,therefore boiler will not ignite
If the pilot light is on, the heater should come on by itself. If the pilot light is off then it has to be lit. If it will not stay on, the thermocouple is bad.
Check your furnace. It may be turned off.Answertry changeing the thermocoupling but first make sure the pilot stayeds light it my have an electric igniter on it and not a t hermocoupling if that's the case the igniter may be bad. or the thermostat my be set to air and not to heat check to see if brakers are on for the heater
Sometimes figuring out how to turn on and ignite a gas wall heater can gradually turn into a very difficult and arduous process. In fact, learning how to turn on a wall heater does not require superior intelligence and it can be done quickly and safely without any of the hassle. Lighting the Pilot The pilot is simply a small flame inside of the heater that is constantly burning whether the heater is on or off. It’s there to ignite the gas when needed. Instead of immediately jumping into lighting the pilot, it’s a good idea to make sure the pilot is not already lit. If it’s not, then you are ready to light it. Search for a knob that reads “Pilot” and make sure it is turned to that setting. After turning it to the “Pilot” position, hold down the knob until you smell gas emitting. Release the knob and the pilot should stay lit. If the knob is not able to be pressed down, search for a red knob or something similar that can be pressed in. After holding the knob down for at least a minute, let go and the pilot should stay lit. If the pilot doesn’t stay lit, repeat the process of lighting the pilot again. If the pilot still refuses to light, there might be a problem with the heater. Powering On the Gas Now that your pilot is lit, you’ll want to turn the gas on so that your wall heater can begin actually producing heat. Locate the same knob that you turned to the “Pilot” position, and turn it to the “On” or “Operate” position. Doing this can be a little troublesome because it may take a few tries. Also remember that the flames might be a little intense if the knob is turned over to the “On” position too quickly. Setting the Desired Temperature Now that your gas has been turned on, you’re ready to set the temperature. Search for a knob with temperatures or numbers, and twist to the desired level.
Thermocouple is most likely the problem but it also can be wind and draft which blows out the pilot light and very rare it can be you have a air pocket in your line or sometimes condensation can drip on the pilot. If you have a flame when starting the pilot light as you are pushing down on a non forced air gas water heater and the pilot goes out after you release the pilot handle then 90 out of a 100 times its your Thermocouple. If you have a forced air tank type gas water heater it can be a lot more sophisticated and I recommend you read your manual trouble shoot guide and follow those steps for YOUR specific water heater.
Make sure gas is on and shut offs are open Turn gas valve to PILOT position Push knob down and light pilot HOLD knob down for aprox. 30sec-1min Slowly release knob Pilot should stay light (if not troubleshoot) Turn know to ON position Adjust thermostat to desired position