HONEYWELL TR21 NTC20K REMOTE AIR SENSOR TEMPERATURE WALL MODULE

HONEYWELL TR21 NTC20K REMOTE AIR SENSOR TEMPERATURE WALL MODULE – Temperature Sensor The Honeywell TR21 NTC20K Remote Air Sensor Temperature Wall Module is a direct-wired wall module designed for precise space temperature sensing in HVAC applications. This module is compatible with a range of Honeywell controllers, including Spyder Unitary Controllers (PUL, PVL), Excel 10 series, Excel 800/600/500/100/80 series, W7761 Controller, and ComfortPoint LON Controllers (CP-UL, CP-VL). It is suitable for electrical distributors and switchgear suppliers requiring reliable temperature sensing for building automation and lighting solutions integration. Specifications Manufacturer: Honeywell Model Number: TR21 Temperature Sensor: 20K Ohm nonlinear NTC sensor Operating Temperature Range: 45° to 99° F (7° to 37° C) Shipping Temperature Range: -40° to 150° F (-40° to 65.5° C) Weight: 0.2 lbs Approvals: CE, UL94 plastic enclosure, FCC Part 15 Class B Dimensions (Cover Plate): 6-7/8 x 5 in. (175 x 127 mm) UPC: 085267314305 Features Direct-wired wall module for space temperature sensing Equipped with a 20K Ohm nonlinear NTC temperature sensor for accurate temperature measurement Locking cover for secure installation Compatible with multiple Honeywell controllers for flexible integration Designed for indoor wall mounting, avoiding exposure to direct sunlight, water pipes, or air ducts Low electrical interference design with recommended wiring practices for reliable operation Downloads & Links Spec Sheet