Dwyer Instruments 1950-0-2F Pressure Switch 326058-756 The unit features a manual

The unit features a manual override button for simplified commissioning and troubleshooting in the field

accommodating various manifold configurations

A unique water seal of high-temperature resisting material isolates the internal spring from the fluid during relief cycles

Professionals use the visible scale pointers to set the cut-in and cut-out points

Universal Commercial Fit: Compatible with various Lennox and Armstrong Air models requiring part number 104549-04

Dwyer Instruments 1950-0-2F Pressure Switch 326058-756 The unit features a manualThe Dwyer Instruments 1950 0 2F Pressure Switch is a high performance explosion proof differential pressure switch engineered specifically for technical environments requiring precision monitoring of air and non combustible gases. Designed for hazardous location service, this SPDT switch offers a versatile pressure range of 0. 15 to 0. 50 inches w. c., making it the industry standard for monitoring filter status and fan proof of flow in critical HVACR