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SPENCE 99Q Threaded Thermowell for Temperature Regulator & Duct Sensor - Temperature Regulator & Duct Sensor Thermowells
SPENCETemperature Regulator & Duct Sensor Thermowells

SPENCE 99Q Threaded Thermowell for Temperature Regulator & Duct Sensor

The SPENCE Threaded Thermowell is a stainless steel temperature regulator and duct sensor thermowell designed for use with a 15 5/8 in stem length and 12 1/2 in insertion length. It has a maximum operating pressure…

SKU 3G-OTH-179729

Brand
SPENCE
Item
99Q Threaded Thermowell for Temperature Regulator & Duct Sensor
Part Number
99Q
Category
Temperature Regulator & Duct Sensor Thermowells
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Technical Specifications

SPENCE
Manufacturer Part Number
99Q
Type
For 15 5/8 in Stem Lg, 250 psi
Insertion Lg
12 1/2 in
Maximum Operating Pressure
250 psi
Maximum Operating Temperature
400°F

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

Product Description

The SPENCE Threaded Thermowell is a stainless steel temperature regulator and duct sensor thermowell designed for use with a 15 5/8 in stem length and 12 1/2 in insertion length. It has a maximum operating pressure of 250 psi and a maximum operating temperature of 400°F.

Frequently Asked Questions

What is the SPENCE Threaded Thermowell used for?

The SPENCE Threaded Thermowell is used to protect temperature sensors in industrial piping systems. It is commonly installed in steam, water, and process lines to allow accurate temperature measurement without exposing the sensor to corrosive or high-pressure media.

What are the specifications of the SPENCE Threaded Thermowell?

The SPENCE Threaded Thermowell (MPN 99Q) is made of stainless steel. It has a 15 5/8 in stem length, a 12 1/2 in insertion length, a maximum operating pressure of 250 psi, and a maximum operating temperature of 400°F. It is designed for temperature regulator and duct sensor applications.

Where to buy the SPENCE Threaded Thermowell worldwide?

You can source the SPENCE Threaded Thermowell through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to install the SPENCE Threaded Thermowell?

Install the SPENCE Threaded Thermowell by threading it into a matching process connection. Ensure the insertion length matches the pipe diameter for accurate sensing. Apply thread sealant to prevent leaks. Always follow the manufacturer's guidelines for torque and orientation to avoid damage.

Used in

Common applications for SPENCE
Process heating — SPENCE reverse-acting temperature regulators (e.g., 2020TD-GQD) control steam flow to maintain set temperatures in heat exchangers and jacketed vessels.
Condensate removal — SPENCE steam trap repair kit for model 4NU80 restores internal components in steam traps used for condensate removal and energy management.
Storage tank heating — SPENCE bronze temperature regulators with 1/2 in to 2 in connections modulate steam to maintain fluid temperatures in storage tanks.
HVAC and district heating — SPENCE reverse-acting regulators open on temperature drop to provide fail-safe heating in steam-based heating systems.
Industrial steam distribution — SPENCE temperature regulators and steam traps are used in steam headers and branch lines to control flow and remove condensate.
Maintenance and repair — SPENCE repair kits and replacement parts support planned maintenance programs for steam traps and regulators in continuous process plants.
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SPENCE Products

3G Electric supplies SPENCE temperature regulator & duct sensor thermowells. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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