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it supports both On/Off and floating point control signals
you know that consistent damper positioning is critical for maintaining HVAC system efficiency
Technicians must disconnect the factory J1 plug and its associated wiring
an open circuit or erratic fluctuations usually indicate a failed probe
Dwyer Instruments 530 Switch 30067439-890 it supports both On/Off andThe Dwyer Instruments 530 Switch is a technician grade air flow switch engineered for precision monitoring in HVAC R duct work. This vane operated flow switch features a rugged die cast zinc body and a stainless steel vane designed for durability and long term sensitivity. It is field adjustable from 400 to 1600 FPM, allowing for precise set point calibration in various system configurations. The integrated SPDT snap switch provides reliable signaling