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HONEYWELL HOME Copper Thermowell with Mounting Flange - HVAC Thermowells
HONEYWELL HOMEHVAC Thermowells

HONEYWELL HOME Copper Thermowell with Mounting Flange

The HONEYWELL HOME Immersion Well: Mounting Flange (SKU 121371B, MPN 121371B) is a copper thermowell with a mounting flange type and a 3/4 in external thread size. It features a copper shank and copper connection…

SKU 3G-OTH-68709

Also listed as: 121371 B · 121371-B

Brand
HONEYWELL HOME
Item
Copper Thermowell with Mounting Flange
Part Number
121371B
Category
HVAC Thermowells
Available to Order
Also known as:121371BHONEYWELL HOME
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Technical Specifications

HONEYWELL HOME
Manufacturer Part Number
121371B
Type
Copper, Copper
Shank Material
Copper
Thermowell Type
Mounting Flange
Connection Material
Copper
External Thread Size
3/4 in
Maximum Insertion/Bulb Length
3 in, 3/8 in

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

Product Description

The HONEYWELL HOME Immersion Well: Mounting Flange (SKU 121371B, MPN 121371B) is a copper thermowell with a mounting flange type and a 3/4 in external thread size. It features a copper shank and copper connection material, with a maximum insertion/bulb length of 3 in and 3/8 in.

Frequently Asked Questions

What is a Honeywell Home immersion well thermowell used for?

A Honeywell Home immersion well thermowell, like the 121371B, protects temperature sensors in HVAC and industrial process piping. It allows sensor insertion without direct fluid contact, enabling accurate measurement in heating, cooling, and combustion systems while simplifying maintenance.

What are the specifications of the Honeywell Home 121371B thermowell?

The Honeywell Home 121371B is a copper mounting flange thermowell with a 3/4 in external thread size. It has a copper shank and connection, with a maximum insertion/bulb length of 3 in and 3/8 in. It is designed for immersion in HVAC and process applications.

Where to buy a Honeywell Home immersion well thermowell worldwide?

3G Electric supplies the Honeywell Home 121371B immersion well thermowell worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this copper mounting flange thermowell to your facility, regardless of location.

How to install a Honeywell Home mounting flange thermowell?

Install the Honeywell Home 121371B thermowell by threading the 3/4 in external thread into a matching pipe fitting or tank opening. Ensure the copper shank is fully immersed in the process fluid. Use appropriate sealant on threads and insert the sensor to the specified bulb length for accurate readings.

Used in

Common applications for HONEYWELL HOME
Commercial rooftop units — Honeywell Home VR8345K4809 dual-stage gas valve for direct spark ignition
Industrial boilers — Honeywell Home L6006A1145 immersion controller for high-limit and circulator control
Hydronic heating systems — Honeywell Home L4081B1047 circulator/high-limit controller with millivolt switching
Radiant floor heating — Honeywell Home L7224U1002 dual-function controller for high and low limit protection
Gas-fired furnaces — Honeywell Home VR8345M4302 single-stage gas valve for intermittent pilot ignition
Steam boilers — Honeywell Home L6081A1036 high/low limit controller with fixed differential
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HONEYWELL HOME Products

3G Electric supplies HONEYWELL HOME hvac thermowells. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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This mounting flange thermowell features a copper shank and copper connection material. It has a 3/4 in external thread size and supports a maximum insertion/bulb length of 3 in and 3/8 in. Used in HVAC systems to protect temperature sensors in pipes or tanks, it allows accurate measurement while shielding the sensor from pressure, corrosion, and flow
HONEYWELL HOME
This mounting flange thermowell features a copper shank and copper connection material. It has a 3/4 in external thread size and supports a maximum insertion/bulb length of 3 in and 3/8 in. Used in HVAC systems to protect temperature sensors in pipes or tanks, it allows accurate measurement while shielding the sensor from pressure, corrosion, and flow

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