33.00 Dollar US $ · Honeywell TR21 Temperature Sensor 20K Ohm

Published date: April 24, 2026 11:04 am

Location: 700 Nicholas BLVD Suite 105 Elk Grove Village IL 60007, chicago, IL, United States

The Honeywell TR21 Temperature Sensor 20K Ohm is a wall-mounted sensing device designed to measure ambient temperature in HVAC control systems. It uses a thermistor element with a 20K ohm resistance curve to detect temperature changes and transmit accurate signals to building automation systems. Commonly used with air handling units, VAV systems, and zone controls, it supports precise temperature regulation. The sensor improves energy efficiency, ensures consistent indoor comfort, simplifies installation, and provides reliable performance, making it an essential component for effective environmental monitoring and control.



For an efficient and reliable HVAC system, the Honeywell Temperature Sensor is a great choice for optimal system performance.



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