How to Adjust Your TC Temperature Switch

The TC duct limit temperature switch line manufactured by Senasys is an adjustable temperature switch that is a great solution for HVAC systems. Adjusting the switch is simple:

  1. Remove the cover
  2. Adjust the dial to the desired set point
  3. Replace the cover & Install (Click here for installation instructions)

When the temperature switch leaves our facility it is factory set at 125°F, but has an adjustable temperature of 100°F to 250°F.

For further details on how to adjustable a TC duct limit temperature switch, continue reading below.

If you require further assistance, click here to contact our direct technical support team.

Our adjustable TC switches are easy to adjust, but if you’re not familiar with temperature switches, you may not know where to start.

Remove temperature switch over1 Remove the temperature switch cover

The first thing you will need to do is remove the cover. This is done by pushing in on the sides of the switch and then pulling off the cover. This will reveal the inner workings of the switch.


Adjust the temperature dial2 Adjust the Temperature Dial

To adjust the temperature, simply loosen the screw and move the selector to the appropriate temperature. The temperature can be set from 100F to 250F. One you have moved the selector to the desired temperature, tighten the screw.


3 Replace the Cover & InstallInstall the duct limit temperature switch

Return the cover back to the switch and install into the system. For further guidance on installing the temperature switch, click here.


If you have questions, be sure to contact us.

Leave a Reply

Your email address will not be published.