Karl Dungs AA A1 Air Pressure Switch

Karl Dungs AA A1 Air Pressure Switch

  • Differential Pressure Switch
  • Factory adjusted
  • Hose Barb Connection

Description

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.
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Approvals:
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.

Technical Documentation

AA A1 Air Pressure Switch