DPS107 series adjustable differential pressure switch for monitoring overpressure, vacuum and differential pressure of air or other noncombustible, non-aggressive gases for both HVAC and Energy Management Applications. Automatic reset and field adjustable setpoints.The differential pressure switch includes a SPDT relay rated for 1.5A @  250V and can be set as low as 20 Pa.

Features
- High Quality, Low-Cost
- Adjustment knob enables easy switch point setting
- Transparent cover for setpoint confirmation
- Switch can be set up as N.O. or N.C.
- Installer kit with PVC tubing included