Honeywell 621-9937 DCS Control System
Honeywell 621-9937: A high-performance pressure switch with a pressure range of 0-150 psi and a maximum working pressure of 300 psi. It features a SPDT snap-action switch and is designed for use in industrial applications such as HVAC systems, compressors, and pumps. Compared to similar Honeywell models like the 05701 series, the 621-9937 offers a wider pressure range and higher durability, making it suitable for more demanding environments.
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