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Honeywell Temperature Sensor: Wall Mount, Conduit Box - Room Temperature Sensors
HoneywellRoom Temperature Sensors

Honeywell Temperature Sensor: Wall Mount, Conduit Box

The Honeywell TR21-H/U is a wall-mount room temperature sensor in a conduit-box housing with wireless transmission. It offers a temperature accuracy of ±1 °F (12 °C to 30 °C) and is compatible with building…

SKU 3G-OTH-69517

Brand
Honeywell
Item
Temperature Sensor: Wall Mount, Conduit Box
Category
Room Temperature Sensors
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Technical Specifications

Honeywell
Manufacturer Part Number
TR21-H/U
Display
No Display
Housing Type
Conduit Box
Product Type
Temperature Sensor
Mounting Location
Wall Mount
Temperature Signal
Wireless Transmission
Temperature Accuracy
±1 °F (12 °C to 30 °C)
Temperature Signal Output
Wireless Transmission
For Use With Building Automation Systems
Building Automation System Compatible
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Honeywell Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Honeywell TR21-H/U is a wall-mount room temperature sensor in a conduit-box housing with wireless transmission. It offers a temperature accuracy of ±1 °F (12 °C to 30 °C) and is compatible with building automation systems.

Used in

Common applications for Honeywell
Commercial kitchen and inflight-catering steam boilers — RM7890 / RM7895 flame relays with UV detection
Food-processing ramp-and-dwell ovens — DBC2000E / DBC2100E controllers
Hotel and hospital boiler plants — VR8205 combination gas controls
Petrochemical tank-farm heating — V4xxx gas-valve bodies with ML7420 actuators
Retrofit swap-outs from legacy Fireye / Satronic — Honeywell replacement kits

Honeywell Products

3G Electric supplies Honeywell room temperature sensors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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