We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

HONEYWELL HOME Immersion Well: Mounting Flange, Copper, Copper - HVAC Thermowells
HONEYWELL HOMEHVAC Thermowells

HONEYWELL HOME Immersion Well: Mounting Flange, Copper, Copper

The HONEYWELL HOME Immersion Well: Mounting Flange (SKU 3XK91, 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…

SKU 3G-OTH-68660

Brand
HONEYWELL HOME
Item
Immersion Well: Mounting Flange, Copper, Copper
Category
HVAC Thermowells
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

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
View Full Spec Sheet

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

Product Description

The HONEYWELL HOME Immersion Well: Mounting Flange (SKU 3XK91, 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.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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
Residential HVAC — Honeywell Home TH115-A-120S/U thermostat for 7-day programmable temperature control in homes.
Light commercial buildings — Honeywell Home TL8230A1003 line-voltage thermostat for electric heating systems in offices.
Hydronic heating systems — Honeywell Home L4006E1117 immersion controller for high-limit temperature regulation in boilers.
Indoor air quality monitoring — Honeywell Home C7263A1008 air quality sensor for gas analysis in commercial facilities.
Furnace control — Honeywell Home ST9120U1011 timer controller for circulating fan timing in integrated furnace systems.
HVAC switching — Honeywell Home RA889A1001 switching relay for 24V AC control of zone valves or dampers.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
JOHNSON CONTROLS Immersion Well: Direct Mount with Setscrew, Brass, Copper, 0.299 in Inside Dia (MPN WEL11A-601R). Key specifications — Maximum Insertion/Bulb Length: 2-3/8 in, 2-3/8 in; Shank Material: Copper; Connection Material: Brass; Thermowell Type: Direct Mount with Setscrew; Brand: JOHNSON CONTROLS.
JOHNSON CONTROLS
JOHNSON CONTROLS Immersion Well: Direct Mount with Setscrew, Brass, Copper, 0.299 in Inside Dia (MPN WEL11A-601R). Key specifications — Maximum Insertion/Bulb Length: 2-3/8 in, 2-3/8 in; Shank Material: Copper; Connection Material: Brass; Thermowell Type: Direct Mount with Setscrew; Brand: JOHNSON CONTROLS.
JOHNSON CONTROLS Immersion Well: Direct Mount with Setscrew, Brass, Copper, 0.43 in Inside Dia (MPN WEL14A-603R). Key specifications — Maximum Insertion/Bulb Length: 5-13/16 in, 5-13/16 in; Shank Material: Copper; Connection Material: Brass; Thermowell Type: Direct Mount with Setscrew; Brand: JOHNSON CONTROLS.
JOHNSON CONTROLS
JOHNSON CONTROLS Immersion Well: Direct Mount with Setscrew, Brass, Copper, 0.43 in Inside Dia (MPN WEL14A-603R). Key specifications — Maximum Insertion/Bulb Length: 5-13/16 in, 5-13/16 in; Shank Material: Copper; Connection Material: Brass; Thermowell Type: Direct Mount with Setscrew; Brand: JOHNSON CONTROLS.
JOHNSON CONTROLS Immersion Well: Direct Mount with Setscrew, Brass, Copper, 0.43 in Inside Dia (MPN WEL14A-602R). Key specifications — Maximum Insertion/Bulb Length: 4-15/16 in, 4-15/16 in; Shank Material: Copper; Connection Material: Brass; Thermowell Type: Direct Mount with Setscrew; Brand: JOHNSON CONTROLS.
JOHNSON CONTROLS
JOHNSON CONTROLS Immersion Well: Direct Mount with Setscrew, Brass, Copper, 0.43 in Inside Dia (MPN WEL14A-602R). Key specifications — Maximum Insertion/Bulb Length: 4-15/16 in, 4-15/16 in; Shank Material: Copper; Connection Material: Brass; Thermowell Type: Direct Mount with Setscrew; Brand: JOHNSON CONTROLS.
JOHNSON CONTROLS Immersion Well: Direct Mount with Setscrew, Malleable, Brass, 0.299 in Inside Dia (MPN WZ-1000-5). Key specifications — Maximum Insertion/Bulb Length: 2-3/8 in, 2-3/8 in; Shank Material: Brass; Connection Material: Malleable; Thermowell Type: Direct Mount with Setscrew; Brand: JOHNSON CONTROLS.
JOHNSON CONTROLS
JOHNSON CONTROLS Immersion Well: Direct Mount with Setscrew, Malleable, Brass, 0.299 in Inside Dia (MPN WZ-1000-5). Key specifications — Maximum Insertion/Bulb Length: 2-3/8 in, 2-3/8 in; Shank Material: Brass; Connection Material: Malleable; Thermowell Type: Direct Mount with Setscrew; Brand: JOHNSON CONTROLS.
JOHNSON CONTROLS Immersion Well: Direct Mount with Setscrew, Brass, Brass, 0.26 in Inside Dia (MPN TE-6300W-101). Key specifications — Maximum Insertion/Bulb Length: 2-3/8 in, 4-2/3 in; Shank Material: Brass; Connection Material: Brass; Thermowell Type: Direct Mount with Setscrew; Brand: JOHNSON CONTROLS.
JOHNSON CONTROLS
JOHNSON CONTROLS Immersion Well: Direct Mount with Setscrew, Brass, Brass, 0.26 in Inside Dia (MPN TE-6300W-101). Key specifications — Maximum Insertion/Bulb Length: 2-3/8 in, 4-2/3 in; Shank Material: Brass; Connection Material: Brass; Thermowell Type: Direct Mount with Setscrew; Brand: JOHNSON CONTROLS.
JOHNSON CONTROLS Immersion Well: Direct Mount with Setscrew, Stainless Steel, Stainless Steel (MPN TE-6300W-102). Key specifications — Maximum Insertion/Bulb Length: 2-3/8 in, 4-2/3 in; Shank Material: Stainless Steel; Connection Material: Stainless Steel; Thermowell Type: Direct Mount with Setscrew; Brand: JOHNSON CONTROLS.
JOHNSON CONTROLS
JOHNSON CONTROLS Immersion Well: Direct Mount with Setscrew, Stainless Steel, Stainless Steel (MPN TE-6300W-102). Key specifications — Maximum Insertion/Bulb Length: 2-3/8 in, 4-2/3 in; Shank Material: Stainless Steel; Connection Material: Stainless Steel; Thermowell Type: Direct Mount with Setscrew; Brand: JOHNSON CONTROLS.

More from HONEYWELL HOME

View all HONEYWELL HOME parts
HONEYWELL HOME Immersion Well: Mounting Flange, Copper, Copper, 3/4 in External Thread Size (MPN 121371B). Key specifications — Maximum Insertion/Bulb Length: 3 in, 3/8 in; Shank Material: Copper; Connection Material: Copper; Thermowell Type: Mounting Flange; Brand: HONEYWELL HOME.
HONEYWELL HOME
HONEYWELL HOME Immersion Well: Mounting Flange, Copper, Copper, 3/4 in External Thread Size (MPN 121371B). Key specifications — Maximum Insertion/Bulb Length: 3 in, 3/8 in; Shank Material: Copper; Connection Material: Copper; Thermowell Type: Mounting Flange; Brand: HONEYWELL HOME.
HONEYWELL HOME Immersion Well: Mounting Flange, Copper, Copper, 3/4 in External Thread Size (MPN 121371M). Key specifications — Maximum Insertion/Bulb Length: 3 in, 3/8 in; Shank Material: Copper; Connection Material: Copper; Thermowell Type: Mounting Flange; Brand: HONEYWELL HOME.
HONEYWELL HOME
HONEYWELL HOME Immersion Well: Mounting Flange, Copper, Copper, 3/4 in External Thread Size (MPN 121371M). Key specifications — Maximum Insertion/Bulb Length: 3 in, 3/8 in; Shank Material: Copper; Connection Material: Copper; Thermowell Type: Mounting Flange; Brand: HONEYWELL HOME.