Adding Thermostat To Baseboard Heater

Slide the wall mounted thermostat from its mounting plate on the wall.

Adding thermostat to baseboard heater.

How to do it. Disconnect the existing cable from the heater and remove the cable. The thermostat can be mounted directly on the heater itself or it can be mounted on the wall so that the circuit wiring passes through the thermostat first on the way to the baseboard heater. But installing a smart thermostat that is not designed for compatibility with baseboard heating requires added hardware a relay in this case.

A new line voltage thermostat will need to be connected as part of the installation of the new baseboard heater. Some thermostat models require you to. You can install a thermostat on the baseboard heater itself. Using a wire connector connect the hot supply wire to the thermostat wires.

Turn the circuit breaker off at the main electrical panel that supplies power to the existing baseboard heater and. Connect the new cable to the heater. Without touching any of the wires. Instead of doing the extra and quite dangerous work consider an option that s already designed for baseboard heating.

Label and disconnect wires. Pull a cable from the thermostat location to the heater. Installing a compatible smart thermostat is quick and easy. Typically this is marked l1 or line step 8.

Make the connections at the thermostat. Take the cover off the thermostat and remove the screws that attach it to the junction box. While this type of installation is easiest since it does not involve opening up walls it is considered to be inferior to installing the thermostat on the wall.