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

HONEYWELL HOME Copper Mounting Flange Thermowell

The HONEYWELL HOME Immersion Well: Mounting Flange (SKU 121371L, MPN 121371L) is a copper HVAC thermowell with a mounting flange type and a 1/2 in external thread size. It features a copper shank and copper…

SKU 3G-OTH-68660

Also listed as: 121371 L · 121371-L

Brand
HONEYWELL HOME
Item
Copper Mounting Flange Thermowell
Part Number
121371L
Category
HVAC Thermowells
Available to Order
Also known as:121371LHONEYWELL HOME
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

HONEYWELL HOME
Manufacturer Part Number
121371L
Type
Copper, Copper
Shank Material
Copper
Thermowell Type
Mounting Flange
Connection Material
Copper
External Thread Size
1/2 in
Maximum Insertion/Bulb Length
3 in, 3/8 in

Technical Documents

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

Product Description

The HONEYWELL HOME Immersion Well: Mounting Flange (SKU 121371L, MPN 121371L) is a copper HVAC thermowell with a mounting flange type and a 1/2 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 the HONEYWELL HOME Immersion Well 121371L used for?

The HONEYWELL HOME Immersion Well 121371L is a copper mounting flange thermowell used in HVAC systems to house temperature sensors or bulbs. It protects the sensing element from process pressure and corrosion while allowing accurate temperature measurement in pipes or tanks.

What are the specifications of the HONEYWELL HOME 121371L thermowell?

The HONEYWELL HOME 121371L is a mounting flange thermowell with a copper shank and copper connection. It has a 1/2 in external thread size and a maximum insertion/bulb length of 3 in and 3/8 in. The manufacturer part number is 121371L.

Where to buy the HONEYWELL HOME 121371L thermowell worldwide?

You can source the HONEYWELL HOME 121371L thermowell 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 a HONEYWELL HOME mounting flange thermowell?

To install the HONEYWELL HOME mounting flange thermowell, first ensure the pipe or tank has a matching 1/2 in threaded opening. Apply thread sealant to the external threads, then screw the thermowell into place until snug. Insert the temperature sensor or bulb fully into the well 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
TEL-TRU
TEL-TRU
Flanged thermowell for temperature sensor protection in high-pressure and high-temperature industrial processes. Accommodates 1/4 in stem diameter with 18 in stem length and 150 in insertion length. Rated for 5000 psi maximum operating pressure and 1000 °F maximum operating temperature
This capillary fitting assembly is designed for direct mounting to a thermowell in HVAC systems. It features a malleable connection material and is used to secure capillary tubing for accurate temperature sensing. No shank material is included
JOHNSON CONTROLS
This capillary fitting assembly is designed for direct mounting to a thermowell in HVAC systems. It features a malleable connection material and is used to secure capillary tubing for accurate temperature sensing. No shank material is included
TEL-TRU
TEL-TRU
Straight-shank threaded thermowell for use with temperature sensors in industrial piping and vessels. Accommodates 2 1/2 in stem length and 1/4 in stem diameter. Rated for maximum operating pressure of 5000 psi and maximum operating temperature of 1000 °F

More from HONEYWELL HOME

View all HONEYWELL HOME parts →
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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