Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

Honeywell Replacement Temperature Probe 50021579-001/U - Replacement Temperature Probes
HoneywellReplacement Temperature Probes

Honeywell Replacement Temperature Probe 50021579-001/U

The Honeywell Temperature Sensor (MPN 50021579-001/U) is a replacement temperature probe designed for indoor use. It is compatible with the T775 series and the W7620 model. This sensor is available under SKU…

SKU 3G-OTH-71250

Also listed as: 50021579001U · 50021579 001 U · 50021579-001-U

Brand
Honeywell
Item
Replacement Temperature Probe 50021579-001/U
Category
Replacement Temperature Probes
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Honeywell
Manufacturer Part Number
50021579-001/U
Application
Indoor Use
Product Type
Temperature Sensor
Compatible with Series
T775
Compatible with Manufacturer Model Number
W7620

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

Honeywell Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Honeywell Temperature Sensor (MPN 50021579-001/U) is a replacement temperature probe designed for indoor use. It is compatible with the T775 series and the W7620 model. This sensor is available under SKU 50021579-001/U and includes part numbers 278Y44, 278Y45, 278Y46, 278Y47, 2GZN7, 2GZN9, and 2GZP2.

Frequently Asked Questions

What is the Honeywell T775 temperature sensor used for?

The Honeywell temperature sensor (MPN 50021579-001/U) is a replacement probe for indoor use. It is designed to work with the T775 series controllers and the W7620 model, providing accurate temperature sensing for HVAC and building management applications.

What are the specifications of the Honeywell 50021579-001/U temperature sensor?

This Honeywell temperature sensor is a replacement probe for indoor use. It is compatible with the T775 series and the W7620 model. The manufacturer part number is 50021579-001/U, and it is also listed under SKU 50021579-001/U with alternate part numbers including T775B2032/U, T775M2048/U, T775B2040/U, T775U2006/U, T775B2024/U, T775A2009/U, and T775P2003/U.

Where to buy Honeywell temperature sensor 50021579-001/U worldwide?

You can source the Honeywell temperature sensor 50021579-001/U from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time.

How to install the Honeywell T775 temperature probe?

Install the Honeywell temperature probe by mounting it in a suitable indoor location away from direct heat sources. Connect the sensor wires to the T775 controller or W7620 model per the wiring diagram. Ensure proper probe placement for accurate temperature sensing. Follow standard HVAC installation practices.

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 replacement temperature probes. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Plastic-housed outdoor temperature sensor for building automation systems. Measures single-point ambient air temperature from -40°F to 158°F with ±0.06°F accuracy. No display; designed for outdoor mounting to provide input for HVAC control optimization
Honeywell
Plastic-housed outdoor temperature sensor for building automation systems. Measures single-point ambient air temperature from -40°F to 158°F with ±0.06°F accuracy. No display; designed for outdoor mounting to provide input for HVAC control optimization
Surface-mount outdoor temperature sensor with 60-inch leadwire for hardwired connection. Compatible with Honeywell TH8000 and TH7000 series thermostats. Measures outdoor ambient temperature from -40° to 120°F for HVAC system optimization
Honeywell
Surface-mount outdoor temperature sensor with 60-inch leadwire for hardwired connection. Compatible with Honeywell TH8000 and TH7000 series thermostats. Measures outdoor ambient temperature from -40° to 120°F for HVAC system optimization
PT1000 temperature sensor for use as a replacement part in HVACR heaters and heat exchangers. Monitors discharge temperature to support safe and efficient system operation in commercial and industrial heating applications
Honeywell
PT1000 temperature sensor for use as a replacement part in HVACR heaters and heat exchangers. Monitors discharge temperature to support safe and efficient system operation in commercial and industrial heating applications
The Honeywell TR22/U is a temperature sensor designed for use in HVACR systems. It is suitable for monitoring and controlling temperature in commercial and industrial environments, including building automation, refrigeration, and process control applications
Honeywell
The Honeywell TR22/U is a temperature sensor designed for use in HVACR systems. It is suitable for monitoring and controlling temperature in commercial and industrial environments, including building automation, refrigeration, and process control applications
Duct-mount temperature sensor with 21.6V DC input, measuring -40°F to 149°F. No display. Used in HVAC economizer systems to monitor duct air temperature for optimizing outside-air intake
Honeywell
Duct-mount temperature sensor with 21.6V DC input, measuring -40°F to 149°F. No display. Used in HVAC economizer systems to monitor duct air temperature for optimizing outside-air intake
Electronic temperature controller for HVACR systems. Used in commercial and industrial refrigeration, heating, and process control applications requiring precise temperature regulation
Honeywell
Electronic temperature controller for HVACR systems. Used in commercial and industrial refrigeration, heating, and process control applications requiring precise temperature regulation

More from Honeywell

View all Honeywell parts
Strap-mount temperature sensor for use with Honeywell T775 series controllers, including model T775A2009/U. Commonly applied in HVAC and refrigeration systems to measure pipe or duct temperature
Honeywell
Strap-mount temperature sensor for use with Honeywell T775 series controllers, including model T775A2009/U. Commonly applied in HVAC and refrigeration systems to measure pipe or duct temperature