266911 – Dungs AA-A2-4-3 Air Pressure Switch, 0.4-4″ W.C. Eclipse Full Port Butterfly Valve

Eclipse Full Port Butterfly Valve

or other refractory-lined combustion chamber

Rugged die-cast aluminum housing

Flame Safety Component

266911 – Dungs AA-A2-4-3 Air Pressure Switch, 0.4-4″ W.C. Eclipse Full Port Butterfly ValveIn Stock Dungs AA A2 Differential Air Pressure Switches are field adjustable, compact pressure switches for automatic burner controls. Available with hose or NPT threaded connections. The AA A2 4 differential pressure switches are suitable for making and or breaking a circuit when the medium pressure changes relative to the setpoint. The AA A2 4 versions feature hose connections. Application: Differential pressure monitoring in firing, ventilation and