Dungs AA-A1 Differential Air Pressure Switches have an adjustable setpoint (within listed pressure range) and a compact pressure switch for automatic gas burning equipment controls. Available with hose connections.
The AA…A1 series differential pressure switches are suitable for making and/or breaking a circuit when the medium pressure changes relative to the set point. Applications can be differential pressure monitoring in firing, ventilation and air-conditioning systems.
The AA…A1 can be used as a pressure, vacuum or differential pressure switch for air and non-aggressive gases. Not suitable for natural gas, propane, butane, and other combustible gases.
Ask us for engineering or product support.
UR, CSA and FM
AA…A1 Series NEMA 1
266906 – Dungs AA-A1-0-2 Air Pressure Switch, 0.16-1.2″ W.C.
266904 – Dungs AA-A1-0-3 Air Pressure Switch, 0.4-4″ W.C.
266908 – Dungs AA-A1-0-4 Air Pressure Switch, 1-20″ W.C.
216-864A – Dungs AA-A1-0-6 Air Pressure Switch, 12-60″ W.C.
AA…A1 Series NEMA 12, includes contact cover
266907 – Dungs AA-A1-3-2 Air Pressure Switch, 0.16-1.2″ W.C.
266905 – Dungs AA-A1-3-3 Air Pressure Switch, 0.4-4″ W.C.
266909 – Dungs AA-A1-3-4 Air Pressure Switch, 1-20″ W.C.
216-864CA – Dungs AA-A1-4-6 Air Pressure Switch, 12-60″ W.C.