Dwyer Instruments 1638-0 Pressure Switch R-410A though checking for mechanical obstructions

though checking for mechanical obstructions is recommended during routine maintenance

Its rugged construction ensures long-term reliability in demanding environments

including 40

critical for vertical shaft-up or shaft-down positioning

Constructed from heavy-duty 3/8-inch welded steel

Dwyer Instruments 1638-0 Pressure Switch R-410A though checking for mechanical obstructionsThe Dwyer Instruments 1638 0 Pressure Switch is a high precision, large diaphragm differential pressure switch engineered for critical HVAC and industrial process monitoring. Designed for use with air and non combustible gases, this low pressure switch features an adjustable range of 0. 05" w. c. to 0. 25" w. c., making it ideal for duct air control and sensitive differential pressure sensing. The unit utilizes a single pole double throw (SPDT)