Honeywell TR42 Sylk Bus Temperature Wall Module for HVAC Control

Honeywell · Sensors & Instrumentation

Honeywell TR42 Sylk Bus Temperature Wall Module for HVAC Control

Description The Honeywell TR42 is a wall-mounted temperature module designed for monitoring and adjusting room temperature in HVAC and building automation systems. Utilizing Sylk Bus communication, it provides accurate temperature sensing while allowing occupants to adjust temperature setpoints, fan settings, and occupancy override functions. Its two-wire design enables simple installation and reliable integration with compatible Honeywell controllers.     Technical Specifications Condition New/Never Used Surplus Brand Honeywell Category Controls & Indicators Part Number TR42 Subcategory Temperature & Process Control Device Type LDC Temperature Wall Module Communication Protocol Sylk Bus Wiring 2-wire Temperature Sensor Integrated room temperature sensor Setpoint Adjustment Yes Occupancy Override Yes Fan Control User-selectable fan options Application HVAC and building automation Compatible Systems Honeywell Sylk Bus building automation controllers Mounting Wall mount Weight 2 lb     Information About TR42 The TR42 is part of Honeywell's family of communicating wall modules developed for commercial HVAC and building management systems. It communicates over the Sylk Bus protocol using a simple two-wire connection that carries both power and communications, reducing installation complexity. The module combines room temperature sensing with user-adjustable setpoint, fan control, and temporary occupancy override functions to improve occupant comfort and system efficiency. Designed for seamless integration with compatible Honeywell controllers, the TR42 is commonly installed in offices, schools, healthcare facilities, retail buildings, and other commercial environments. Key Features: Wall-Mounted Temperature Module: Designed for HVAC and building automation systems. Sylk Bus Communication: Two-wire communication and power connection. Integrated Temperature Sensor: Provides accurate room temperature monitoring. Adjustable Setpoint: Allows occupants to fine-tune room temperature. Override Function: Supports temporary occupancy override operation. Fan Control Options: Enables local fan speed selection where supported. Easy Installation: Two-wire design simplifies wiring and commissioning. Building Automation Ready: Compatible with Honeywell commercial HVAC controllers. The TR42 delivers the reliability and precision required for commercial HVAC temperature monitoring and building automation control.

Brand: Honeywell · Category: Sensors & Instrumentation

Key features

Specifications

Manufacturer part numberTR42
ConditionNew/Never Used Surplus
BrandHoneywell
CategoryControls & Indicators
Part NumberTR42
SubcategoryTemperature & Process Control
Device TypeLDC Temperature Wall Module
Communication ProtocolSylk Bus
Wiring2-wire
Temperature SensorIntegrated room temperature sensor
Setpoint AdjustmentYes
Occupancy OverrideYes
Fan ControlUser-selectable fan options
ApplicationHVAC and building automation
Compatible SystemsHoneywell Sylk Bus building automation controllers
MountingWall mount
Weight2 lb
Product typeTemperature Sensor

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