Compact Footprint: Removable mounting bracket allows for flexible orientation in crowded electrical panels

and 174 Broan heater models

The automatic reset functionality ensures consistent performance without manual intervention

reducing labor time during critical HVAC system repairs and restoring factory-spec airflow to the conditioned space

Industrial Neoprene Composition: Maximizes durability and flexibility

Dwyer Instruments 1638-5 Pressure Switch 320735-701 Compact Footprint: Removable mounting bracketFor 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