The DBL Series Differential Pressure Switches are adjustable vacuum, pressure and differential
pressure switches designed for both HVAC and Energy Management Applications. Due to the ease of
calibration and adjustment procedures, these units will save you both installation time and money. The
units have field adjustable setpoints and switching differentials. They will reset automatically. Each unit
contains (1) SPDT contact rated for 1.5 Amps @ 250 VAC. All wiring connections are to be made with
spade connectors and a maximum wire size of 16 AWG.
The DBL Series is covered by an industry-leading Two (2) year warranty, which can be found on www.workaci.com.