Spectrum Enterprises

SERIES 1900 COMPACT LOW DIFFERENTIAL PRESSURE SWITCHESSet Points from 0.07" to 20" w.c., Repetitive Accuracy within 3%

Our most popular Series 1900 Compact Low Differential Pressure Switch combines advanced design and precision construction to make these switches able to perform many of the tasks of larger, costlier units. Designed for air conditioning service, they also serve many fluidics, refrigeration, oven and dryer applications. For air and non-combustible compatible gases, Series 1900 switches have set points from 0.07 to 20" w.c. (1.8 to 508 mm). Set point adjustment is easy with range screw located inside conduit enclosure. Internal location helps prevent tampering. UL, CE and CSA listed, and FM approved.

CAUTION: FOR USE ONLY WITH AIR OR COMPATIBLE GASES.

Please see Series AT-1900 for ATEX approved.

California Residents:  Click Here for Proposition 65 WARNING.

PRODUCT APPLICATIONS

• Air conditioning refrigeration coil icing detection; defrost cycle intiation.
• Clogged filter detection.
• Variable air volume controller.