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

SPENCE 99H Threaded Thermowell

The SPENCE Threaded Thermowell (MPN 99H) is a stainless steel temperature regulator and duct sensor thermowell designed for use with a 13 3/8 in stem length and 10 1/2 in insertion length. It has a maximum operating…

SKU 3G-OTH-179727

Brand
SPENCE
Item
99H Threaded Thermowell
Category
Temperature Regulator & Duct Sensor Thermowells
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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

SPENCE
Manufacturer Part Number
99H
Type
For 13 3/8 in Stem Lg, 250 psi
Insertion Lg
10 1/2 in
Maximum Operating Pressure
250 psi
Maximum Operating Temperature
400°F

Technical Documents

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

Product Description

The SPENCE Threaded Thermowell (MPN 99H) is a stainless steel temperature regulator and duct sensor thermowell designed for use with a 13 3/8 in stem length and 10 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 a SPENCE threaded thermowell used for?

A SPENCE threaded thermowell protects temperature sensors in industrial piping systems, allowing sensor replacement without system shutdown. It is used across process industries including HVAC, steam, and fluid handling where accurate temperature measurement is critical.

What are the specifications of the SPENCE 99H thermowell?

The SPENCE 99H thermowell is stainless steel, threaded, with a 13 3/8 in stem length and 10 1/2 in insertion length. It has 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 a SPENCE 99H thermowell worldwide?

3G Electric supplies the SPENCE 99H thermowell worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine SPENCE parts and deliver to your facility, ensuring compliance with international shipping requirements.

How to install a SPENCE threaded thermowell?

Install the SPENCE thermowell by threading it into a matching NPT port in the pipe or vessel. Apply anti-seize compound to threads, tighten to recommended torque, and insert the temperature sensor fully into the well. Ensure the stem length matches the sensor insertion depth for accurate readings.

Used in

Common applications for SPENCE
Steam condensate removal in industrial process heating — SPENCE inverted-bucket steam traps (e.g., 85-CPG9)
Pressure reduction for steam distribution in commercial buildings — SPENCE D50A pressure regulators
Modulating control of steam flow in heat exchangers — SPENCE pneumatic globe control valves (e.g., K1TC811-36RA)
Air venting from steam mains and headers — SPENCE NAV-213 air vents
Condensate drainage in low-pressure steam heating systems — SPENCE 81S-C1E9 steam traps with strainer
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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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Brass threaded thermowell for use with temperature sensors in piping and duct systems. Accommodates a 13 3/8 in stem length with a 10 1/2 in insertion length. Rated for maximum operating pressure of 250 psi and maximum temperature of 400°F
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Brass threaded thermowell for use with temperature sensors in piping and duct systems. Accommodates a 13 3/8 in stem length with a 10 1/2 in insertion length. Rated for maximum operating pressure of 250 psi and maximum temperature of 400°F
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Brass threaded thermowell for use with temperature sensors in piping systems. Accommodates stems of 15-5/8 in length and 1 in diameter. Rated for 250 psi maximum operating pressure and 400°F maximum operating temperature. Suitable for protecting sensors in HVAC ducts, boilers, and process lines
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