Tjernlund Products 950-0029 Pressure Switch J-Box

The Tjernlund Products 950-0029 Internal J-Box Pressure Switch is a dependable component that is used to monitor and control HVAC systems. It changes and activates draft inducers or other equipment when certain pressure levels are detected ensuring safe operation. It is commonly used in furnaces and boilers to used increase the efficiency of the system and to prevent backdrafting or unsafe combustion. It responds to airflow variations accurately to used keep proper ventilation and protect heating appliances. This design is internal and simplifies the installation to residential or light commercial use with dependable performance and improved safety for HVAC applications.