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

Honeywell 121371A Well for Temperature Sensors - Replacement HVACR Controls, Switches & Thermostats
HoneywellReplacement HVACR Controls, Switches & Thermostats

Honeywell 121371A Well for Temperature Sensors

Honeywell Replacement HVACR Controls, Switches & Thermostats. Specifications: Product Type: Well.

SKU 3G-OTH-82975

Also listed as: 121371 A · 121371-A

Brand
Honeywell
Item
121371A Well for Temperature Sensors
Category
Replacement HVACR Controls, Switches & Thermostats
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
121371A
Product Type
Well

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

Honeywell Replacement HVACR Controls, Switches & Thermostats. Specifications: Product Type: Well.

Frequently Asked Questions

What is the Honeywell 121371A well used for?

The Honeywell 121371A well is a replacement component used in HVACR systems to house temperature sensors or thermostats. It provides a protective enclosure that allows accurate temperature measurement in ducts, tanks, or pipes. This well is commonly applied in commercial and industrial heating, ventilation, and refrigeration equipment.

What are the specifications of the Honeywell 121371A well?

The Honeywell 121371A well is a replacement HVACR control component with manufacturer part number 121371A. Its product type is a well, designed for use with compatible Honeywell sensors and thermostats. For detailed dimensional or material specifications, consult the original Honeywell documentation or contact 3G Electric for technical support.

Where to buy the Honeywell 121371A well worldwide?

You can source the Honeywell 121371A well worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. 3G Electric supplies genuine Honeywell replacement parts for HVACR systems.

How to install the Honeywell 121371A well?

To install the Honeywell 121371A well, first ensure the system is powered off. Insert the well into the appropriate pipe or tank fitting, then secure it with the provided threads or compression fitting. Insert the temperature sensor into the well and tighten the cap. Follow standard HVACR best practices and consult the Honeywell installation manual for torque specifications.

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 hvacr controls, switches & thermostats. 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
Honeywell
Honeywell
This Honeywell pressure switch monitors and controls pressure levels in HVACR systems. It is used in commercial refrigeration, air conditioning, and heating equipment to protect compressors and maintain system performance
The Honeywell Q347A1004 is a direct spark igniter used in gas-fired heating equipment. It generates a high-voltage spark to ignite the burner in commercial and industrial furnaces, boilers, and rooftop units. This replacement component is designed for HVACR controls, switches, and thermostats
Honeywell
The Honeywell Q347A1004 is a direct spark igniter used in gas-fired heating equipment. It generates a high-voltage spark to ignite the burner in commercial and industrial furnaces, boilers, and rooftop units. This replacement component is designed for HVACR controls, switches, and thermostats
HONEYWELL Pressure Switch: Mfr Part # L4079B1033
Honeywell
HONEYWELL Pressure Switch: Mfr Part # L4079B1033
HONEYWELL Air Switching Valve: Mfr Part # L91A1037
Honeywell
HONEYWELL Air Switching Valve: Mfr Part # L91A1037
HONEYWELL Temperature Sensor: Mfr Part # TR22/U
Honeywell
HONEYWELL Temperature Sensor: Mfr Part # TR22/U
HONEYWELL Flame Sensor: Mfr Part # Q354A1018
Honeywell
HONEYWELL Flame Sensor: Mfr Part # Q354A1018

More from Honeywell

View all Honeywell parts
Pressure switch for HVACR systems, used to monitor and control air or gas pressure. Switches circuits based on pressure changes to ensure safe operation in commercial heating, ventilation, and air conditioning equipment
Honeywell
Pressure switch for HVACR systems, used to monitor and control air or gas pressure. Switches circuits based on pressure changes to ensure safe operation in commercial heating, ventilation, and air conditioning equipment
Flame amplifier for use in industrial and commercial burner systems. Detects and amplifies flame signals from a flame sensor to verify flame presence and trigger safety shutdowns if flame is lost. Commonly applied in boilers, furnaces, and process heaters
Honeywell
Flame amplifier for use in industrial and commercial burner systems. Detects and amplifies flame signals from a flame sensor to verify flame presence and trigger safety shutdowns if flame is lost. Commonly applied in boilers, furnaces, and process heaters
Honeywell
Honeywell
Replacement spring for HVACR controls, switches, and thermostats. Provides mechanical tension or return force within actuators, valves, or damper assemblies. Used to restore proper operation in commercial and industrial heating, ventilation, and air conditioning systems
Keyboard display module for flame safeguard control systems. Provides a user interface for monitoring burner status, adjusting settings, and viewing diagnostic data. Used in industrial boilers, furnaces, and process heaters
Honeywell
Keyboard display module for flame safeguard control systems. Provides a user interface for monitoring burner status, adjusting settings, and viewing diagnostic data. Used in industrial boilers, furnaces, and process heaters
The Honeywell L404F1102 is a steam pressure limit control used in HVAC systems to monitor and limit boiler pressure. It automatically shuts down the burner when pressure exceeds the set point, protecting equipment and ensuring safe operation in heating applications
Honeywell
The Honeywell L404F1102 is a steam pressure limit control used in HVAC systems to monitor and limit boiler pressure. It automatically shuts down the burner when pressure exceeds the set point, protecting equipment and ensuring safe operation in heating applications
Motor mounting base for HVACR controls, switches, and thermostats. Provides a secure mounting platform for motors in commercial and industrial heating, ventilation, air conditioning, and refrigeration systems, ensuring stable operation and alignment
Honeywell
Motor mounting base for HVACR controls, switches, and thermostats. Provides a secure mounting platform for motors in commercial and industrial heating, ventilation, air conditioning, and refrigeration systems, ensuring stable operation and alignment
The Honeywell S437A1025/U is a pressure control switch that converts pneumatic pressure signals into electrical switching actions. It is used in HVACR systems for monitoring or regulating pressure thresholds in applications such as commercial building automation, boiler controls, and refrigeration systems
Honeywell
The Honeywell S437A1025/U is a pressure control switch that converts pneumatic pressure signals into electrical switching actions. It is used in HVACR systems for monitoring or regulating pressure thresholds in applications such as commercial building automation, boiler controls, and refrigeration systems
Flame sensor for use in HVACR systems to detect flame presence in burners, boilers, and furnaces. Verifies ignition to prevent unburned fuel accumulation. Suitable for oil and gas heating equipment
Honeywell
Flame sensor for use in HVACR systems to detect flame presence in burners, boilers, and furnaces. Verifies ignition to prevent unburned fuel accumulation. Suitable for oil and gas heating equipment