Lochinvar & A.O. Smith 100224394 Normally Closed Pressure Switch 1.66" WC

The Lochinvar & A.O. Smith 100224394 -1.66” WC Normally Closed Pressure Switch is a safety tool that is used to protect HVAC systems from harm due to pressure. It operates through checking the pressure in the system and, in case the pressure exceeds a certain level, the equipment is turned off. This helps to avoid cases of damage of parts of the system such as compressors, condensers and the pipes. The switch is normally placed in the refrigerant line of air conditioning and refrigeration equipments. Other advantages include increased system availability, lower maintenance expense, and increased energy efficiency.