Description
The United Electric B402-120 is a dual SPDT temperature switch designed for reliable temperature monitoring and control in HVAC systems. Its immersion stem senses temperature changes from 0°F to 225°F and actuates two independently adjustable snap-action switches at selected setpoints. The NEMA 4X enclosure provides protection against moisture and corrosive environments. It is suitable for air handling units, chillers, boilers, heat exchangers, and other HVAC equipment requiring temperature limits or staged control. The switch supports alarm, shutdown, heating, and cooling applications, helping improve equipment protection, operational reliability, and temperature management.
For an efficient and reliable HVAC system, the United Electric Temperature Switch is a great choice for optimal system performance.
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