Honeywell TR42-H-D1

LCD Wall Module

MPN: TR42-H-D1
Category: Honeywell Building Sensors & Detectors

Price and lead time confirmed within 1 business day

Discontinued by Honeywell — we can still source the original TR42-H-D1 (new, used or refurbished, subject to availability). Request a quote below.

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1We check stock, condition and lead time
2You get a written quote by email
3Approve it and we ship — in-stock parts within 1 business day

12-month warranty (new) · 3-month (used/refurbished)
30-day returns, no restocking fee on unused parts
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What is the Honeywell TR42-H-D1?

The TR42 series of LCD Wall module are designed to operate with Trend IQX controllers. All models have an integral temperature sensor and variants are available that also include sensors for relative humidity and/or CO2 concentration. The TR42 features a monochrome backlit LCD display which can be configured to show sensor readings and allow user control of fan speed, occupancy and temperature setpoint. Up to 7 devices can be connected to the controller by a two wire Sylk™ bus which carries both data and power.

Features & Benefits:

Single power/data connection to controller reduces wiring

Temperature sensing plus versions with humidity and/or CO2

Operates in either °C or °F

Common back plate and connections allows easy upgrade from TR40 to TR42

Backlit LCD display with temperature, humidity, CO2, fan speed, occupancy and setpoint display options

Setpoint, fan speed, and occupancy override functions.

Certifications:

UL94-V0

FCC Part 15, Class B

Honeywell Trend TR42-H-D1 — The TR42 series of LCD Wall module are designed to operate with Trend IQX controllers. All models have an integral temperature sensor and variants are available that also include sensors for relative humidity and/or CO2 concentration. Discontinued by Honeywell — no longer in the current range. PartnerPLC sources new, surplus and discontinued Honeywell parts — request a quote for price, condition and lead time.

Specifications

Product

Lifecycle	Discontinued by Honeywell
Brand line	Trend

Others

Minimum Shipping & Storage Temperature	-40 Degrees Celsius
Maximum Shipping & Storage Temperature	65 Degrees Celsius
Minimum Operating Ambient Temperature	0 Degrees Celsius
Maximum Operating Ambient Temperature	52 Degrees Celsius
Temperature Sensor Accuracy	±0.2 coulomb
Minimum Measured Humidity	5 Percentage
Maximum Measured Humidity	95 Percentage
Humidity Sensor Accuracy	±3 Percentage
CO2 Sensor Accuracy	±3 Percentage
Overall Height	121 Millimeter-PRD
Overall Width	84 Millimeter-PRD
Overall Depth	21 Millimeter-PRD
Brand	Trend
Network Communications	Sylk bus
Regulatory Approvals	CE; UL94-V0; FCC Part 15, Class B Watt
Maximum Measured CO2	0 to 2000 parts per million
Mounting Type	Wall inch
Product Type	LCD Wall Module Degrees Celsius

Ordering codes

Part numbers on this product page

TR42-H-D1, TR42-HC-D1

TR42-H-D1: frequently asked questions

Can I still buy the TR42-H-D1 now that it is discontinued?

Yes. Honeywell has discontinued the TR42-H-D1, but sourcing discontinued parts is what PartnerPLC specialises in — new old stock, used and refurbished units. Request a quote and we'll confirm availability, condition and lead time.

When can TR42-H-D1 be shipped?

TR42-H-D1 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up TR42-H-D1 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for TR42-H-D1 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for TR42-H-D1, subject to availability and destination.