Replace the heating element or thermostat.
Replace thermocouple sealed hot water heater.
Replace the two piece wire connector onto the thermocouple and igniter wire securing it with the retainer clip and slide the manifold burner assembly back into the water heater.
Flush the heater to remove sediment from the tank.
Make sure that the power is connected.
A hot water heater that doesn t heat might just need a new thermocouple.
If you have a gas water heater with a pilot light that won t stay lit it s probably due to a failed thermocouple.
Insulate the hot water pipes.
Removing the thermocouple is easy and it requires only a screwdriver.
The thermocouple is a heat sensitive.
Learn how to replace this inexpensive part and keep your hot water heater working for years to come.
Get your thermocouples here.
Check the following when your water is not hot enough.
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At the base of the gas water heater there is a gas valve with the thermostat.
Raise the temperature setting on the thermostat.
How to replace the thermocouple if it is broken and how to test the element.
How to replace a thermocouple on a hot water heater.
When the pilot light on a gas water heater won t stay lit the problem is usually a faulty thermocouple.
The thermocouple is a thermoelectric device that shuts off the gas if the pilot light goes out.
In simple terms it s a short piece of tubing that runs from the gas controller to the pilot.
Remove the burner assembly and detach the thermocouple.
Turn off the main gas shut off valve that supplies the water heater.
A thermocouple or flame sensor is a device used to control gas flow in gas water heaters on older style heaters with standing pilot lights the device is typically called a thermocouple while on newer units with electronic ignition the same or virtually the same device is called a flame sensor for our purposes we ll refer to both devices as the thermocouple.
Step 8 reattach the manifold tube pilot tube and thermocouple to the gas control valve thermostat and tighten them using the adjustable wrench.
1 cause of pilot lights that won t stay lit is a worn out.