Description
The York S1-02435780000 SPNO Close On Fall-Switch is a safety feature applied to HVAC systems to regulate the flow of air. It is the single pole normally open switch that gets operated when the air pressure is low, usually a 1.00″ water column. A decrease in this pressure can also suggest that there is a faulty filter or blower motor by the airflow present in the automobile. When the switch closes it can sound an alarm or turn off the HVAC system to avoid further damage. This switch is used mainly in furnaces, air conditioners, and other equipment used in heating, ventilating, and air conditioning. Some of the advantages of implementing the system include; safety, energy, and system efficiency.
