It is not uncommon for a thermostat to require replacement. Luckily, thermostats are relatively inexpensive and can be replaced with a little knowledge and effort. A thermostat is used to read and regulate the temperature. Without this essential piece, the furnace may produce too much or too little heat. It is important that the thermostat is properly installed in order for it to function properly. It also must be placed in a central location for an accurate reading.
- Skill level:
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Things you need
- Phillips screwdriver
- Moulding putty
Disconnect the furnace from the power source. Check the thermostat wires for damage. If the wires are melted they must be replaced before the new thermostat is installed.
Remove the mounting screws from the thermostat with a Phillips screwdriver. Disconnect the wires from the thermostat. Take note of the wire positions as this will make the installation of the new thermostat much easier.
Take the old thermostat to a hardware store and purchase a model with similar wiring and identical mounting.
Connect the hot lead to the red wire on the thermostat and to the tent trailer battery. Attach the black ground wire to the black ground wire on the thermostat. Match the remaining wire from the furnace control box to the thermostat.
Use a Phillips screwdriver to mount the new thermostat on the wall. Hide the wire with a soft moulding putty that matches the wall colour.
Tips and warnings
- If you want to upgrade, look at wireless thermostat models. They are more expensive but do not have the obtrusive wire.
- Use a meter to determine the hot lead from the ground wire if you are unsure. Crossing the wires can damage the new thermostat.
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