Industrial Neoprene Composition: Maximizes durability and flexibility

The sensor monitors the exact speed of the inducer wheel

The 480Vac coil is housed in a NEMA 4X enclosure

allowing the control board to resume the heating cycle

Dwyer Instruments 1638-5 Pressure Switch 320735-701 Industrial Neoprene Composition: Maximizes durabilityFor high precision air pressure monitoring in commercial HVAC and industrial process control, the Dwyer Instruments 1638 5 Pressure Switch is the technician's standard for reliability. Engineering with a large diaphragm design, this unit provides superior sensitivity for detecting differential pressure within a range of 2. 0 to 6. 0" w. c. The 1630 series is purpose built for clean air and non combustible gases, utilizing a silicone rubber diaphragm