Maintaining proper static pressure and airflow is critical for system longevity

making it suitable for shaft-up

the meter achieves an IP54 rating

frequent tripping of the circuit breaker during startup

specifically within Aaon rooftop units and chillers

Dwyer Instruments AAFS Switch Refrigerant Maintaining proper static pressure andThe Dwyer Instruments AAFS Adjustable Air Flow Paddle Switch is a heavy duty sensing solution engineered to monitor and verify air flow velocity in HVAC and industrial ductwork. Designed to handle air and compatible gases, this unit features a field adjustable SPDT switch, allowing for precise setpoint selection between 200 to 1800 FPM. As the direct replacement for F40AA 2, it offers a drop in upgrade for legacy systems requiring reliable proof of