York S1-024-35309-000 SPNO Pressure Switch Close On Fall -0.35" WC

The York S1-024-35309-000 SPNO Pressure Switch is an essential part of the HVAC systems, its role being to measure and regulate the airflow. It works as a close on fall switch and closes when the pressure reduces to 0.35 inches WC. This SPNO switch is used to indicate negative pressure, for instance in applications such as checking whether a vent is properly functioning or whether filters are blocked. It seems to pressure variations well keeping the system in the better state possible to avoid complications such as low airflow or equipment degradation. This results in enhanced energy utilization, comfort of the occupants and increased durability of the equipment in HVAC systems.