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Each stage features independent SPDT switching
preventing vibration-induced fatigue that often leads to premature motor bearing failure
Rugged Design: Built by International Comfort Products to withstand the high-vibration environment of internal blower and coil cabinets
F insulation rating protect against high-temperature cabinet environments
Siemens Building Technology 141-0518 Switch 320819-301 Each stage features independent SPDTThe Siemens 141 0518 141 0518 Airflow Switch is a high performance differential static pressure switch engineered for precision air monitoring in duct systems. This rugged HVAC pressure controller features a field adjustable setpoint range of 1. 0 to 12. 0 inches Water Column (WC), allowing for accurate sensing of pressure variations across fans, filters, and coils. Designed with a Single Pole Double Throw (SPDT) switch configuration, the 141 0518