Tjernlund Products 950-1030 Fan Prover W/ Sensing Tube Kit

The Tjernlund Products 950-1030 Fan-Prover with Sensing Tube Kit is an essential part used in HVAC systems. It works by sensing air movement through a sensing tube connected to a pressure switch to improve system safety and performance. It is commonly used with furnaces, boilers and other ventilation equipment to verify fan operation to prevent conditions. It adds efficiency, wrings off the damage in components, and ensures code compliance. Designed for new installations or retrofits, it presents confidence that ventilation demands are being met before heating.