Compact, Sensitive Air Pressure Switch
The JD-2 switch is a compact, sensitive air pressure switch made of rugged die-cast aluminum. It features an adjustable set point, set point indication and visible ON-OFF indicator to provide the accuracy and reliability you need. Available in five range scales.
- Rugged die-cast aluminum construction
- Visible ON-OFF indicator
- Dual scales calibrated in millimeters and inches of water column
- Cost-effective pricing
- Custom design per OEM specifications available

This item is available in the following models:
Switch | Model | Spring | Range |
---|---|---|---|
JD-2R | 801111303 | Red | 0.1" to 24" W.C. (3 mm to 600 mm) |
JD-2P | 801111310 | Purple | 0.1" to 10" W.C. (3 mm to 250 mm) |
JD-20 | 801111315 | Orange | 5.0" to 35" W. C. (125 mm to 875 mm) |
JD-2G | 801111302 | Grey | 0.1" to 4" W.C. (3 mm to 102 mm) |
JD-2B | 801111301 | Blue | 0.07" to 1.7" (2 mm to 43 mm) |
View Owner’s Manual for all JD-2 Models | View Spec Sheet for all JD-2 Models