how to change a thermostat

Remove the existing thermostat base by loosening the mounting screws. Your thermostat should adjust to new settings as soon as you input them into the system.

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Wi-Fi thermostats may require a C wire.

. Find the large hose on top of the radiator and follow it to the thermostat housing. Before replacing a thermostat shut off the power to your thermostat at the breaker box. Replace it with the new thermostat. The manual will direct you whether to leave it in place or remove it.

Programme the thermostat then reconnect the electricity supply. Undo the two to four bolts on the radiator housing and pull out the old thermostat and o-ring. If you dont have a C wire consult the manual for options. Learn how to replace your home thermostat that controls your gas furnaceOne note - make sure you track which wires went where before uninstalling the old th.

Separate the front of the new thermostat from the base. Usually once you make the change to the settings youll hear the HVAC system respond right away. If it doesnt thats a signal that something may be wrong with your thermostat and its. In short to replace the analog thermostat with a digital youll first need to turn off the power in the house remove the faceplate from the current thermostat label the wires detach the wires and remove the cover mount the new thermostat rewire it and attach the faceplate.

Thread the low-voltage wires through the. Disconnect your thermostat and boiler from the mains electricity supply. Replace these with the new parts exactly how you took them out making sure the spring points down. How To Install Replace A Thermostat - YouTube.

Begin by installing the base first. Be sure to align the new thermostat in the same orientation as the old one you removed. Put a new gasket on the end of the thermostat housing that comes in contact with the thermostat. Fit the thermostat housing.

Insert the new gasket. How do I replace an old thermostat. If necessary you can use an adhesive to hold the gasket in place while fitting the thermostat housing. Insert the wires into the corresponding terminals on the thermostat and tighten the terminal screws.

Remove the old thermostat from the wall and make notes on how all of the wiring was attached so you. Disconnect the hose and lift it above the radiator. Remove your current thermostat labelling your wires with the terminals they were connected to. There may be a metal jumper connecting the R and Rc terminals on the new thermostat.

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Fit the new thermostat connecting the correct wires to the correct terminals as before. If you change the settings on your thermostat but nothing happens thats a sign its time to replace it. How-to replace a GM Duramax Thermostat - Mechanics Minute - YouTube.

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