Question about Heating & Cooling
Fear not, unless you havewater leaking from the tank you won't have to worry with replacing it.
Heres how your heaters ignition system works.
The Pilot is lit, and the flame sensor detects flame and sends signal to the gas valve.The gas valve then sends gas to the burners and the burnes ignite.
If the gas valve does not recieve signal from the sensor it will not come on and it will shut off all gas to the pilot, and burners to prevent raw gas from dumping into your home.
If your system has a thermocouple, 99% change the problem is the thermocouple.
When I service a customers unit, I automatically replace the thermocouple because they are so notoirus for going bad.
You can buy one at Lowes for less than 10 bucks.
To locate the thermocouple, go to the gas valve, fint the small copper tube (about as thick as a pencil lead) and follow it to the pilot. The sensor will be slightly larger in diameter and about 2 to 3 inches long.
You can try cleaning the sensor with steel wool, but usully they just need to be replaced.
To replace it, turn off the gas, unscrew the nut holding the tube in the gas valve, and disconnect the sensor from the ignitor/pilot assembly. Make sure your new T-couple is long enough, as the come in different lengths, you can simply coil the extra length up out of the way near the gas valve.
Install the new one as you removed the old one.
Relight pilot, be sure to hold the button down long enough, and enjoy your hot shower!
If you have any other problems, let me know, and I will be glad to help you.
Please don't forget to rate this solution.
Posted on Dec 26, 2008
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Posted on Jan 02, 2017
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