The Autunes JD2 switches, JD-2 Blue 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.
- Rugged die-cast aluminum construction
- Visible ON-OFF indicator
- Dual scales calibrated in millimeters and inches of water column
- Easy to install and wire
Blue Spring .07" - 1.7" Water Column