Monitor and control indoor temperature with the precision of the Honeywell TR21 Indoor Temp Sensor. With a 20K OHM feature, this sensor ensures accurate readings for optimal comfort and efficiency in any indoor space. Trust the expertise of Honeywell for reliable and effective temperature control. Wall module with temperature display and sleek design, perfect for discreet installation in any room.

Specifications:

Features:

• Models available with user selectable setpoint adjustment dials in Fahrenheit, Celsius and Relative Scales
• Models available with occupied/unoccupied override (bypass) with LED
• Models available with 3-position (auto/0/1) or 5-position (auto/0/1/2/3 speed) fan switch
• LONWORKS network jack on all models except the TR21 and TR21-A models
• Models available with on board humidity sensor, humidity output: 0-10Vdc, 0-5 Vdc, 4-20ma selectable.