Quck answer
To remove the thermocouple in a Heat & Glo fireplace, follow these steps:
1. Turn off the gas supply to the fireplace and allow it to cool down completely.
2. Locate the thermocouple, which is a small metal rod near the pilot light.
3. Use a wrench to loosen and disconnect the nut that attaches the thermocouple to the gas valve.
4. Gently pull out the thermocouple from its mounting bracket.
5. Inspect the thermocouple for any signs of damage or wear. If necessary, replace it with a new one.
6. Reinstall the new thermocouple by reversing the steps above, ensuring it is securely attached to the gas valve.
7. Turn on the gas supply and relight the pilot light to test the fireplace’s functionality.
Note: It is recommended to consult the manufacturer’s manual or seek professional assistance if you are unsure about removing the thermocouple.
A thermocouple is an important safety device that prevents the accumulation of unburned gas around the Heat & Glo fireplace by shutting off the gas when the pilot goes out. If your fireplace has a worn-out thermocouple, you can replace it with a new one. However, accessing the underside of the grate where all the gas paraphernalia is located can be challenging.
Determining Whether the Thermocouple Needs Replacing
If the pilot won’t stay lit, the thermocouple might be malfunctioning. You can light the pilot following the normal ignition process. However, the pilot will go out as soon as you release the gas control if the thermocouple is bad. If the gas tubes are clogged, the pilot won’t start or will burn unsteadily with an orange hue, and it will keep burning when you release the gas control.
What You Need
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Small wrench
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Pliers
Removing the Thermocouple
Step 1: Turn Off the Gas
Locate the inline gas valve and turn the handle 90 degrees to be perpendicular with the gas tube.
Step 2: Disconnect the Thermocouple From the Gas Valve
Locate the gas control module and find the three copper tubes attached to it. Two large tubes on either side feed the burners and pilot, while the small one in the middle is for the thermocouple. Unscrew the nut holding the thermocouple to the module using a small wrench and remove it.
Step 3: Disconnect the Probe From the Pilot Assembly
Follow the thermocouple tube to the other end where the probe is mounted next to the pilot orifice. You’ll see a small screw on the mounting plate. Turn this screw with pliers and when the thermocouple is loose, you can lift it right out of the fireplace.
Testing a Weak Thermocouple
If the Heat & Glo thermocouple is weak, the fireplace might work intermittently. Use a multimeter to measure voltage in millivolts and make sure the pilot is burning. Place one of the meter leads just under the thermocouple probe, which should be in the pilot flame, and the other lead on the nut that connects it to the gas valve. If the reading is between 25 and 30 mV, the thermocouple is good. If the reading is under 20 mV, the thermocouple has failed completely. If the reading is between 20 and 25 mV, the thermocouple is weak, and you need to replace it soon.
FAQ
1. How do I access the thermocouple in my Heat & Glo fireplace?
To access the thermocouple in a Heat & Glo fireplace, you will first need to locate the pilot assembly. This is usually located behind a removable panel or access door on the front or side of the fireplace. Once you have located the pilot assembly, you can follow the manufacturer’s instructions to remove any necessary screws or fasteners to access the thermocouple.
2. What tools do I need to remove the thermocouple?
To remove the thermocouple in a Heat & Glo fireplace, you will typically need a few basic tools. These may include a screwdriver (either flathead or Phillips, depending on the type of screws or fasteners used), pliers (to disconnect any gas line connections), and possibly a wrench or socket set (if there are additional bolts or nuts securing the thermocouple in place).
3. Are there any safety precautions I should take when removing the thermocouple?
Yes, it is important to take certain safety precautions when removing the thermocouple in a Heat & Glo fireplace. Before starting any work, make sure to turn off the gas supply to the fireplace and allow it to cool down completely. It is also recommended to wear protective gloves and safety glasses to prevent any injuries. Additionally, follow the manufacturer’s instructions carefully and consult a professional if you are unsure about any steps or procedures.