No Hot Water: How to Assess the Problem
If the pilot light is not lit:
1. Attempt to re-light pilot light following the instructions posted on your water heater.
2. If the pilot light will not re-light, the problem could be a clogged pilot line, or that gas is not reaching the water heater. Check with your gas supplier.
3. If the pilot light will light but does not stay lit when the gas valve control is released, the problem could be a defective thermocouple or perhaps a loose thermocouple connection to the gas control valve. Make sure the thermocouple connection to the control valve is tight.
If the pilot light is lit:
1. Turn on a hot water tap and let the water run for several minutes. Check to see if the burner comes on.
2. If not, run the hot water several more minutes. If the burner still does not come on the problem could be a defective control valve/thermostat. Check to see if the control valve knob is in the "on" setting and not set to the "pilot" position.
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