Karl Dungs High or Low Gas Pressure Switch GAO-A4-4-3 266920

Part Number: GAO-A4-4-3 266920

Manufacturer: Karl Dungs

Brand: Karl Dungs

High or Low Gas Pressure Switch 0.4-4.0″ wc, automatic reset



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The Dungs 266920 GAO-A4-4-3 Gas Pressure Switch is designed for automatic gas burning equipment controls, offering adjustable pressure settings. Belonging to the GAO, GMH, and GML A4 series, these pressure switches facilitate making or breaking a circuit in response to changes in medium pressure relative to the set point.

Ideal for industrial and commercial heating applications with 1/4″ NPT pipe connections, they are suitable for various gasses including natural gas, propane, butane, air, and other inert gasses.

Brand: Dungs
Mfg. P/N: 266920
Approvals: UL, CSA and FM
Connections: 1/4″ NPT pipe connections/mount
Ratings: NEMA Type 4

  • Silver (Ag) contact ratings: SPDT Switch 10A resistive/8A inductive @ 120 Vac
  • Electrical rating: DC min. 20 mA @ 24 VDC, max. 1 A @ 24 and 48 Vdc
  • Electrical screw terminals with 1/2 NPT conduit connection. Neon light included.
  • Factory setting range: 0.4-4″ W.C.
  • Max. operating pressure: 7 PSI (500 mbar)
  • Temperature rating: -40 Deg F to +140 Deg F (-40 Deg C to +60 Deg C)
  • Automatic reset

Formerly: 46014-3 or 217-091A

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