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P/N: 42148
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266911 – Dungs AA-A2-4-3 Air Pressure Switch, 0.4-4″ W.C. P/N: 42148In 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
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