Threaded Thermowells
from Conax Technologies
Thermowells are pressure-tight receptacles that extend the life of a temperature in environments where the sensor is not chemically compatible with the process media or the sensor does not have the mechanical strength to withstand the process flow or pressure. Thermowells also facilitate removing,... [See More]
- Connection Means: Threaded
- Bore Diameter: 0.2600 to 0.3850
- Stem Length: 12
- Thread Options: 1/2" NPT; 3/4" NPT; 1" NPT
from ifm efector inc.
Efficient long-time protection of the temperature sensor. Protection against aggressive media and high process pressures. Easy replacement of the temperature sensor during operation. Learn more. From May 1st 2025, products produced in EU and Singapore have an import surcharge reflected in the price. [See More]
- Connection Means: Threaded
- Material of Construction: Stainless Steel
- Socket/Stem Insertion Length: 3.46
- Thread Options: 1/2" NPT
from ABB Measurement & Analytics
Overview. Solid drilled thermowell. Flanged and screwed designs. To suit ASME PTC19.3 2010-TW. Sized to the millimetre (40 thousands of an inch) [See More]
- Connection Means: Socket-weld or Weld-in; Flanged; Threaded
- Bore Diameter: 0.1378 to 0.5118
- Socket/Stem Insertion Length: 1.97 to 39.33
- Material of Construction: Stainless Steel; Other Material (Hastelloy C-276 / 2.4819, Inconel 600, Monel 400, Duplex, Super duplex, Others)
from United Electric Controls Company
Thermowell and protection tube manufacturer , United Electric Controls creates and designs custom thermowells and protection tubes. UE offers a complete line of sold-bore thermowells and manufactured protection tubes in a variety of materials and constructions. Serving customers worldwide, our... [See More]
- Connection Means: Threaded
- Bore Diameter: 0.2600 to 0.3850
- Stem Length: 4 to 24
- Material of Construction: Alloy Steel (optional feature); Aluminum (optional feature); Brass (optional feature); Carbon Steel (optional feature); Monel (optional feature); Stainless Steel (optional feature); Titanium (optional feature)
from Tempco Electric Heater Corporation
If your filter selections do not return your desired results from our standard configurations, please continue to select your Specifications on the right. You can submit your Wish List to Tempco. Thermowells are available in the following materials: Steel. Brass. 316 Stainless Steel. 304 Stainless... [See More]
- Connection Means: Flanged; Van Stone; Threaded
- Barrel or Shank Style: Stepped Shank well; Straight Shank; Tapered Shank
- Material of Construction: Brass; Monel; Stainless Steel; Other Material (Steel)
from Pyromation
A thermowell is a pressure-tight receptacle that protects and extends the life of a temperature sensor in processing applications where the sensor is not mechanically or chemically compatible with the process environment. Installed directly into piping systems, thermowells facilitate sensor... [See More]
- Connection Means: Threaded
- Material of Construction: Stainless Steel
- Bore Diameter: 0.2500 to 0.5000
- Thread Options: 1/2" NPT (optional feature); 3/4" NPT (optional feature)
from ifm efector inc.
Efficient long-time protection of the temperature sensor. Protection against aggressive media and high process pressures. Easy replacement of the temperature sensor during operation. Learn more. From May 1st 2025, products produced in EU and Singapore have an import surcharge reflected in the price. [See More]
- Connection Means: Threaded
- Material of Construction: Stainless Steel
- Socket/Stem Insertion Length: 1.06
- Thread Options: 1/2" NPT
from Tempco Electric Heater Corporation
Series 10 Straight Shank with .260 Bore for 1/4" Diameter Elements. Standard Duty Threaded. Thermowells are available in the following materials: Steel. Brass. 316 Stainless Steel. 304 Stainless Steel. Monel. [See More]
- Connection Means: Threaded
- Material of Construction: Brass; Monel; Stainless Steel; Other Material (Steel)
- Bore Diameter: 0.2600
- Barrel or Shank Style: Straight Shank
from Pyromation
A thermowell is a pressure-tight receptacle that protects and extends the life of a temperature sensor in processing applications where the sensor is not mechanically or chemically compatible with the process environment. Installed directly into piping systems, thermowells facilitate sensor... [See More]
- Connection Means: Threaded
- Material of Construction: Alloy Steel (optional feature); Brass (optional feature); Carbon Steel (optional feature); Hastelloy B&C (optional feature); Monel (optional feature); Nickel (optional feature); Stainless Steel (optional feature); Other Material (optional feature) (Zirconium)
- Bore Diameter: 0.2600
- Coatings: Teflon--coated (optional feature); Tantalum or Titanium jacket (optional feature)
from Tempco Electric Heater Corporation
Series 15 Straight Shank — Lagging Extension Type with .260" Bore for 1/4" Diameter Elements. Standard Duty Threaded. Thermowells are available in the following materials: Steel. Brass. 316 Stainless Steel. 304 Stainless Steel. Monel. [See More]
- Connection Means: Threaded
- Material of Construction: Brass; Monel; Stainless Steel; Other Material (Steel)
- Bore Diameter: 0.2600
- Barrel or Shank Style: Straight Shank
from Pyromation
A thermowell is a pressure-tight receptacle that protects and extends the life of a temperature sensor in processing applications where the sensor is not mechanically or chemically compatible with the process environment. Installed directly into piping systems, thermowells facilitate sensor... [See More]
- Connection Means: Threaded
- Socket/Stem Insertion Length: 1.25
- Stem Length: 1.5
- Bore Diameter: 0.2600
from Tempco Electric Heater Corporation
Series 25 Tapered Shank-Lagging Extension Type with .260" Bore for 1/4" Diameter Elements. Heavy Duty Threaded. Thermowells are available in the following materials: Steel. Brass. 316 Stainless Steel. 304 Stainless Steel. Monel. [See More]
- Connection Means: Threaded
- Material of Construction: Brass; Monel; Stainless Steel; Other Material (Steel)
- Bore Diameter: 0.2600
- Barrel or Shank Style: Tapered Shank
from Pyromation
A thermowell is a pressure-tight receptacle that protects and extends the life of a temperature sensor in processing applications where the sensor is not mechanically or chemically compatible with the process environment. Installed directly into piping systems, thermowells facilitate sensor... [See More]
- Connection Means: Threaded
- Material of Construction: Alloy Steel (optional feature); Brass (optional feature); Carbon Steel (optional feature); Hastelloy B&C (optional feature); Monel (optional feature); Nickel (optional feature); Stainless Steel (optional feature); Other Material (optional feature) (Zirconium)
- Bore Diameter: 0.2600
- Coatings: Teflon--coated (optional feature); Tantalum or Titanium jacket (optional feature)
from Tempco Electric Heater Corporation
Series 30 Straight Shank with .385" Bore for 3/8" Diameter Elements. Standard Duty Threaded. Thermowells are available in the following materials: Steel. Brass. 316 Stainless Steel. 304 Stainless Steel. Monel. [See More]
- Connection Means: Threaded
- Material of Construction: Brass; Monel; Stainless Steel; Other Material (Steel)
- Bore Diameter: 0.3850
- Barrel or Shank Style: Straight Shank
from Pyromation
A thermowell is a pressure-tight receptacle that protects and extends the life of a temperature sensor in processing applications where the sensor is not mechanically or chemically compatible with the process environment. Installed directly into piping systems, thermowells facilitate sensor... [See More]
- Connection Means: Threaded
- Material of Construction: Alloy Steel (optional feature); Brass (optional feature); Carbon Steel (optional feature); Hastelloy B&C (optional feature); Monel (optional feature); Nickel (optional feature); Stainless Steel (optional feature); Other Material (optional feature) (Zirconium)
- Bore Diameter: 0.2600
- Coatings: Teflon--coated (optional feature); Tantalum or Titanium jacket (optional feature)
from Tempco Electric Heater Corporation
Series 35 Straight Shank — Lagging Extension Type with .385" Bore for 3/8" Diameter Elements. Standard Duty Threaded. Thermowells are available in the following materials: Steel. Brass. 316 Stainless Steel. 304 Stainless Steel. Monel. [See More]
- Connection Means: Threaded
- Material of Construction: Brass; Monel; Stainless Steel; Other Material (Steel)
- Bore Diameter: 0.3850
- Barrel or Shank Style: Straight Shank
from Tempco Electric Heater Corporation
Series 40 Tapered Shank with .385" Bore for 3/8" Diameter Elements. Heavy Duty Threaded. Thermowells are available in the following materials: Steel. Brass. 316 Stainless Steel. 304 Stainless Steel. Monel. [See More]
- Connection Means: Threaded
- Material of Construction: Brass; Monel; Stainless Steel; Other Material (Steel)
- Bore Diameter: 0.3850
- Barrel or Shank Style: Tapered Shank
from ifm electronic gmbh
Reliable protection against aggressive media and high flow velocities. Allows the replacement of the temperature sensor in a running process. High pressure rating. Simple process connection via adapter. Robust stainless steel housing for the requirements of harsh industrial environments [See More]
- Connection Means: Threaded
- Socket/Stem Insertion Length: 3.27
- Stem Length: 3.74
- Material of Construction: Stainless Steel
from Winters Instruments
Description & Features: • Available in a wide range of materials for use on most applications • Standard "stepped construction" offering is complemented by an array of custom thermowells including: straight, tapered, sanitary and flanged configurations • 1 year... [See More]
- Connection Means: Threaded
- Socket/Stem Insertion Length: 1.38
- Stem Length: 2.5
- Bore Diameter: 0.2600
from Galco Industrial Electronics
Thermowell, 4in/100mm, 3/4NPT [See More]
- Connection Means: Threaded
- Thread Options: 3/4" NPT
from Minco
Protect probes from pressure, flow, and corrosive fluids. Thermowells on this page are machined from solid bar stock. Specify reduced tip style for fast response, tapered style for maximum rigidity in hig h flow conditions. Immerse the thermowell at least 2.5" (65 mm) for accurate readings. The well... [See More]
- Connection Means: Threaded
- Material of Construction: Stainless Steel
- Bore Diameter: 0.2600
- Thread Options: 1/2" NPT
from Chromalox
Protects Thermostat Sensors in Suitable Corrosive Applications. Seals Sensor Inserted Through a Tank, Pipe or Duct Wall [See More]
- Connection Means: Threaded
- Coatings: Teflon--coated (optional feature)
- Material of Construction: Brass; Carbon Steel; Stainless Steel
- Thread Options: 1/2" NPT; 3/4" NPT
from OMEGA Engineering, Inc.
Application: Armored liquid-in-glass test thermometers. #14 gage test thermocouples. Bimetal test thermometers. Connection Size: 1/2" NPT external thread is standard. Lagging Extension: When extra head length is required to extend through insulation, 2 1/2" lagging extension is standard. Materials:... [See More]
- Connection Means: Threaded
- Socket/Stem Insertion Length: 1.62 to 12
- Stem Length: 2.5 to 13.75
- Bore Diameter: 0.2600 to 0.3850
from Watts
Series G-TB Thermowells are brass parts used with thermometer Models TB and TBC in commercial, residential, and institutional HVAC applications. It features a set screw and 1/2 in. MNPT connection. [See More]
- Connection Means: Threaded
- Thread Options: 1/2" NPT
- Material of Construction: Brass
- Barrel or Shank Style: Straight Shank
from KOBOLD Instruments, Inc.
Product Features. NPT Threaded or Weld-On Version. 304 Stainless Steel Standard, Other Materials on Request. Allows for Rotation of Thermometer Indicator. Maximum Pressure 360 PSIG. For Use with TNS, TNF and DTM Series Thermometers. Thermometer thermowells are made of thermally conductive material... [See More]
- Connection Means: Socket-weld or Weld-in; Threaded
- Thread Options: 1/2" NPT; 3/4" NPT; 1" NPT
- Material of Construction: Stainless Steel
from Acrolab Ltd.
Acrolab Ltd is a thermal engineering solutions company and this year marks our 70th year as a custom solutions provider for various industrial manufacturers from high-end consumer and defense electronics to plastics, rubber, and composite processors in all areas of manufacturing. Acrolab ’s... [See More]
- Connection Means: Threaded
- Socket/Stem Insertion Length: 2.5 to 22.5
- Stem Length: 4 to 24
- Bore Diameter: 0.2600 to 0.3850
from Thermometrics Corporation
Threaded Thermowells are used to provide an isolation between a temperature sensor and the environment, either liquid or gas. [See More]
- Connection Means: Threaded
- Material of Construction: Brass; Carbon Steel; Monel; Stainless Steel
from Ashcroft Inc.
The Ashcroft ® threaded thermowells are utilized when pressure, high velocity and corrosive process media exist. This serves to isolate and protect the sensing instrument, and permits removal of a sensing instrument without shutting down the process. A perfect solution for protecting the process... [See More]
- Connection Means: Threaded
- Barrel or Shank Style: Stepped Shank well; Straight Shank (optional feature); Tapered Shank (optional feature)
- Thread Options: 1/2" NPT; 3/4" NPT (optional feature); 1" NPT (optional feature)
from Ultra Energy
Threaded Thermowell, Industrial Temperature Accessory, Thermowell [See More]
- Connection Means: Threaded
- Material of Construction: Stainless Steel
- Bore Diameter: 0.2600 to 0.3850
- Thread Options: 1/2" NPT (optional feature); 3/4" NPT (optional feature)
from Durex Industries
Resistance Temperature Detectors (RTDs) with thermowells are typically used in pressurized or harsh industrial process applications that require the benefits of RTD temperature measurement but require additional protection from the working environment. The thermowells are manufactured from drilled... [See More]
- Connection Means: Threaded
- Socket/Stem Insertion Length: 2.5
- Stem Length: 3.5
- Bore Diameter: 0.2600
from ifm electronic gmbh
Reliable protection against aggressive media and high flow velocities. Allows the replacement of the temperature sensor in a running process. High pressure rating. Simple process connection via adapter. Robust stainless steel housing for the requirements of harsh industrial environments [See More]
- Connection Means: Threaded
- Socket/Stem Insertion Length: 10.79
- Stem Length: 11.81
- Material of Construction: Stainless Steel
from Winters Instruments
Description & Features: • Designed to be welded in place within the system • 1 year warrantyApplications: • Slow velocity (i.e. a feed water system on a boiler) [See More]
- Connection Means: Threaded
- Socket/Stem Insertion Length: 2.5
- Stem Length: 4
- Bore Diameter: 0.2600
from Galco Industrial Electronics
Thermowell, 4in/100mm, 3/4NPT [See More]
- Connection Means: Threaded
- Thread Options: 3/4" NPT
from Minco
Protect probes from pressure, flow, and corrosive fluids. Thermowells on this page are machined from solid bar stock. Specify reduced tip style for fast response, tapered style for maximum rigidity in hig h flow conditions. Immerse the thermowell at least 2.5" (65 mm) for accurate readings. The well... [See More]
- Connection Means: Threaded
- Material of Construction: Stainless Steel
- Bore Diameter: 0.2600
- Thread Options: 3/4" NPT
from Chromalox
With 2 or 3" Lagging Extensions. Standard Threaded Well for 1/4" Diameter Elements. 1/2 and 3/4" NPT Standard. Additional Thread Sizes are Available on Request. Standard Well Materials: 304 SS, 316 SS, Carbon Steel and Brass. PFA Teflon ® Coated Thermowells are Available. For Companion Probe See... [See More]
- Connection Means: Threaded
- Bore Diameter: 0.2600
- Socket/Stem Insertion Length: 2.5 to 19.5
- Material of Construction: Brass; Carbon Steel; Stainless Steel
from OMEGA Engineering, Inc.
Standard length, 1/4" bimetal thermometers. #20 gage thermocouple elements. Unarmored liquid-in-glass test thermometers. Other temperature-sensing elements having .252 in. maximum diameter. [See More]
- Connection Means: Threaded
- Socket/Stem Insertion Length: 2.5 to 22.5
- Stem Length: 4 to 24
- Bore Diameter: ? to 0.2600
from Watts
Series G-TBR Thermowells are brass parts used with thermometer Model TBR in commercial, residential, and institutional HVAC applications. It features a 1/2 in. MNPT connection. Available in various stem sizes. [See More]
- Connection Means: Threaded
- Thread Options: 1/2" NPT
- Material of Construction: Brass
- Barrel or Shank Style: Straight Shank
from Acrolab Ltd.
Acrolab Ltd is a thermal engineering solutions company and this year marks our 70th year as a custom solutions provider for various industrial manufacturers from high-end consumer and defense electronics to plastics, rubber, and composite processors in all areas of manufacturing. Acrolab ’s... [See More]
- Connection Means: Threaded
- Socket/Stem Insertion Length: 2.5 to 22.5
- Stem Length: 4 to 24
- Bore Diameter: 0.2600 to 0.3850
from Ashcroft Inc.
The Ashcroft ® weld-in thermowell is used when pressure, high velocity and corrosive process media exist. Serving to isolate and protect, it also allows the sensing instrument to be removed without requiring process shut down. An ideal solution for ensuring system operation. Wide selection of... [See More]
- Connection Means: Threaded
- Barrel or Shank Style: Tapered Shank
from Durex Industries
Thermowells are manufactured from drilled bar stock and have threaded NPT process connections or flanges for direct immersion into high pressure or corrosive applications. The thermocouple element is mounted into the thermowell and is typically spring loaded for positive contact to the bottom wall... [See More]
- Connection Means: Threaded
- Socket/Stem Insertion Length: 2.5
- Stem Length: 3.5
- Bore Diameter: 0.2600
from Winters Instruments
Description & Features: • Utilized anywhere a welded thermowell is required • 1 year warrantyApplications: • High pressure and/or high vibration [See More]
- Connection Means: Threaded
- Socket/Stem Insertion Length: 2.5
- Stem Length: 4
- Bore Diameter: 0.2600
from Galco Industrial Electronics
Thermowell, 4in/100mm, 1/2NPT [See More]
- Connection Means: Threaded
- Thread Options: 1/2" NPT
from OMEGA Engineering, Inc.
Standard length, 1/4" bimetal thermometers. #20 gage thermocouple elements. Unarmored liquid-in-glass test thermometers. Other temperature-sensing elements having .252 in. maximum diameter. [See More]
- Connection Means: Threaded
- Socket/Stem Insertion Length: 2.5 to 19.5
- Stem Length: 6 to 24
- Bore Diameter: ? to 0.2600
from Galco Industrial Electronics
Thermowell, 4in/100mm, 1/2NPT [See More]
- Connection Means: Threaded
- Thread Options: 1/2" NPT
from OMEGA Engineering, Inc.
Application: Standard length, 3/8" stem, bimetal thermometers. #14 gage thermocouple elements. Armored liquid-in-glass test thermometers. Other temperature-sensing elements having .377 in. maximum diameter. Connection Size: 1" NPT is standard. Other thread sizes are available upon request. [See More]
- Connection Means: Threaded
- Socket/Stem Insertion Length: 2.5 to 22.5
- Stem Length: 4 to 24
- Bore Diameter: ? to 0.3850
from OMEGA Engineering, Inc.
Application: Standard length, 3/8" stem, bimetal thermometers. #14 gage thermocouple elements. Armored liquid-in-glass test thermometers. Other temperature-sensing elements having .377 in. maximum diameter. Connection Size: 1" NPT is standard. Other thread sizes are available upon request. [See More]
- Connection Means: Threaded
- Socket/Stem Insertion Length: 2.5 to 19.5
- Stem Length: 6 to 24
- Bore Diameter: ? to 0.3850
from OMEGA Engineering, Inc.
Standard Length, 1/4" stem, bimetal thermometers; #20 gage thermocouple elements; unarmored liquid-in-glass test thermometers. Other temperature-sensing elements having .252 in. maximum diameter. [See More]
- Connection Means: Threaded
- Socket/Stem Insertion Length: 2.5 to 19.5
- Stem Length: 6 to 24
- Bore Diameter: ? to 0.2600
from OMEGA Engineering, Inc.
Standard length, 1/4" stem, bimetal thermometers; #20 gage thermocouple elements; unarmored liquid-in-glass test thermometers. Other temperature-sensing elements having .252 in. maximum diameter. [See More]
- Connection Means: Threaded
- Socket/Stem Insertion Length: 2.5 to 22.5
- Stem Length: 4 to 24
- Bore Diameter: ? to 0.2600
from OMEGA Engineering, Inc.
Application: Standard length, 3/8" stem, bimetal thermometers. #14 gage thermocouple elements. Armored liquid-in-glass test thermometers. Other temperature-sensing elements having .377 in. maximum diameter. Connection Size: 3/4" NPT and 1" NPT are standard. Other thread sizes are available upon... [See More]
- Connection Means: Threaded
- Socket/Stem Insertion Length: 2.5 to 19.5
- Stem Length: 6 to 24
- Bore Diameter: ? to 0.3850
from OMEGA Engineering, Inc.
Application: Standard length, 3/8" stem, bimetal thermometers. #14 gage thermocouple elements. Armored liquid-in-glass test thermometers. Other temperature-sensing elements having .377 in. maximum diameter. Connection Size: 3/4" NPT and 1" NPT are standard. Other thread sizes are available upon... [See More]
- Connection Means: Threaded
- Socket/Stem Insertion Length: 2.5 to 22.5
- Stem Length: 4 to 24
- Bore Diameter: ? to 0.3850
from OMEGA Engineering, Inc.
Standard Threaded Wells [See More]
- Connection Means: Threaded
- Bore Diameter: 0.2756 to 0.3543
- Socket/Stem Insertion Length: 2.5 to 10.5
- Material of Construction: Stainless Steel