Bryant 478 Air Pressure Switch

The actual job of the switch is to sense if the blower is running. An air pressure switch is just one of many safety creations designed to keep your family safe and sound. Some particular air pressure switches may have a manual reset, by which you must manually reset it or else the system will cease to function.

Signals that the System Pressure Switch is Failing

Check to see if your air pressure switch is in stock!
If you are going to be buying or purchasing a new Bryant 478 replacement part, do your due diligence and make sure of the correct model as well as make a visual inspection so that you are positive that the correct replacement air pressure switch is being ordered. Once you have the part to install the part by yourself. Hire a pro in your town or city to pay to install it for you.
Feel free to download your manual for help.
Check out your air pressure switch!