Mysa for In-Floor Installation Guide

Warning: The installation of high voltage equipment should be performed by a qualified electrician. Please ensure that you comply with local electrical codes and regulations. Improper installation can lead to device failure and even cause a fire. Damage to thermostat due to improper installation is not covered under Warranty.

Install Mysa for In-Floor with Confidence

 Getting Started




And you'll need to download our app:

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Let us guide you through each step


Floor Sensor

Mysa Sensor
Using an existing sensor

Prior to installation, please be sure to determine the resistance of your thermistor - this can be done using an ohmmeter which will display the resistance eg. 10KΩ. This will be pulled through the back of the in-floor thermostat before finishing the installation!

CAUTION: Please be sure not to connect the thermistor (sensor) wire to any wires on the back of the Mysa device




PDF Version

Mysa for In-Floor Installation Guide


Wiring Diagrams

Do I have 120V or 240V?
120V Wiring Instructions
240V Wiring Instructions


Setting up Mysa

1 - Identifying your Wires

2 - Using a Wire Nut

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