266911 – Dungs AA-A2-4-3 Air Pressure Switch, 0.4-4″ W.C. The AA-A2-4… versions feature hose

The AA-A2-4… versions feature hose connections

or other refractory-lined combustion chamber

P/N: 501226

All Eclipse open burner nozzles are flame retention type nozzles which ensure satisfactory operation over a wide range of mixture pressures and draft conditions

Eclipse Full Port Butterfly Valve

266911 – Dungs AA-A2-4-3 Air Pressure Switch, 0.4-4″ W.C. The AA-A2-4… versions feature hoseIn 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