Question about Heating & Cooling
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Posted on Jan 02, 2017
All thremocouples have a number on them which tells what 'millivolt' output it has. Try to match that up or call a HVAC company and ask them for one with that number.
Posted on Oct 05, 2009
A thermocouple is a junction between two different metals that
produces a voltage related to a temperature difference. Thermocouples are a widely used type of temperature sensor for measurement and control and can also be used to convert heat into electric power.
The following steps can be used to replace them
- Shut off the gas supply valve to the heater. The supply line connects to the thermostat at the bottom front of the tank. Turn the gas supply valve clockwise to shut it off.
- Remove the screws from the outer door at the bottom of the tank and remove it. The outer door covers the pilot tube, supply tube and the thermocouple connection.
- Remove the screws from the inner door located behind the outer door. If your heater allows, remove the inner door. If the inner door is an integral part of the burner assembly, leave the door on but leave the screws removed.
- Disconnect the pilot tube, supply tube and thermocouple from the thermostat. Use an adjustable wrench and turn all three nuts counterclockwise that hold the two tubes and the thermocouple onto the thermostat.
- Pull the burner assembly from the combustion chamber located behind the inner door. They could connect to the inner door as stated in Step 3.
- Remove the old thermocouple and replace it with the new thermocouple. The thermocouple attaches to the burner assembly in a bracket next to the pilot light. Pull and twist the old thermocouple from the bracket.
- Push and twist the new thermocouple into the bracket. Position the tip of the thermocouple where the pilot light flame heats the tip of the thermocouple.
- Replace the burner assembly into the combustion chamber and reattach the pilot tube, gas tube and new thermocouple to the thermostat.
- Reattach the inner and outer doors on the bottom of the tank and turn the gas supply valve back on. Do not forget to light the pilot light.
Hope this solution has been helpful?
Posted on Dec 03, 2010
The part is ordered by Model number, a serial number is no help, and yes there is a part called the flame sensor that allows the gas to stay on, I am sure if you contact a local supplier they can provide a suitable substitute gas valve or sensor if it is a stand alone part, on most the sensor is part of the gas valve. I think you will end up having a local shop try and match up the valve.
Posted on Dec 03, 2010
SOURCE: I have a Sterling heater
ACE hardware, Tractor Supply, H Depot or Lowez should have what you need. Bring the old one with you. You may have to purchase one a bit longer, just keep the extra coiled up out of the way.
Posted on Mar 02, 2011
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