Thermowells
Thermowells protect temperature sensors from pressure, flow, corrosion and abrasion. They also let you remove sensors for replacement or calibration without draining or shutting down the process.
Thermowell Types
- Threaded thermowells – common for general service
- Socket weld and weld-in – high-pressure installations
- Flanged thermowells – easy removal and corrosive service
- Sanitary thermowells – tri-clamp for food and pharma
- Tapered and stepped stems – strength and fast response
Choosing a Thermowell
Select material, insertion length, bore size and connection. For high-velocity flows, perform a wake frequency calculation to avoid stem failure.
Centro supplies thermowells for temperature sensors and thermometers.
Related categories: Temperature Measurement, Instrumentation and Control | Temperature Regulators | Temperature Transmitters | Temperature Sensors | Temperature Recording
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The Dwyer - 1/2-260S-U101/2-304SS is a Standard Threaded Thermowell for 1/4 " Dia Element featuring 304 SS, 0.26 " Bore Dia, Step Down, 5/8 " Shank Dia, 12 ", 10-1/2 ", 7000 psi, 1/2 " NPSM, and 1/2 " NPT. Part of the 260S Series. Sold individually.
$139.66
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 1/2-260S-U41/2-304SS is a Standard Threaded Thermowell for 1/4 " Dia Element featuring 304 SS, 0.26 " Bore Dia, Step Down, 5/8 " Shank Dia, 6 ", 4-1/2 ", 7000 psi, 1/2 " NPSM, and 1/2 " NPT. Part of the 260S Series. Sold individually.
$76.97
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 3/4-260W-U221/2-316SS is a Socket Weld Thermowell for 1/4 " Dia Element featuring 316 SS, 3/4 " Pipe Size, 0.26 " Bore Dia, Step Down, 3/4 " Shank Dia, 24 ", 22-1/2 ", 7000 psi, and 1/2 " NPSM. Part of the 260W Series. Sold individually.
$417.65
Should ship between 04 Dec and 11 Dec
Subject to factory lead times
The Dwyer - 1/2-260S-U21/2-304SS is a Standard Threaded Thermowell for 1/4 " Dia Element featuring 304 SS, 0.26 " Bore Dia, Straight, 1/2 " Shank Dia, 4 ", 2-1/2 ", 7000 psi, 1/2 " NPSM, and 1/2 " NPT. Part of the 260S Series. Sold individually.
$59.15
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 3/4-260W-U21/2-316SS is a Socket Weld Thermowell for 1/4 " Dia Element featuring 316 SS, 3/4 " Pipe Size, 0.26 " Bore Dia, Straight, 1/2 " Shank Dia, 4 ", 2-1/2 ", 7000 psi, and 1/2 " NPSM. Part of the 260W Series. Sold individually.
$88.00
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 3/4-260S-U101/2-304SS is a Standard Threaded Thermowell for 1/4 " Dia Element featuring 304 SS, 0.26 " Bore Dia, Step Down, 3/4 " Shank Dia, 12 ", 10-1/2 ", 7000 psi, 1/2 " NPSM, and 3/4 " NPT. Part of the 260S Series. Sold individually.
$144.82
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 3/4-260S-U41/2-304SS is a Standard Threaded Thermowell for 1/4 " Dia Element featuring 304 SS, 0.26 " Bore Dia, Step Down, 3/4 " Shank Dia, 6 ", 4-1/2 ", 7000 psi, 1/2 " NPSM, and 3/4 " NPT. Part of the 260S Series. Sold individually.
$76.97
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 3/4-260W-U21/2-304SS is a Socket Weld Thermowell for 1/4 " Dia Element featuring 304 SS, 3/4 " Pipe Size, 0.26 " Bore Dia, Straight, 1/2 " Shank Dia, 4 ", 2-1/2 ", 7000 psi, and 1/2 " NPSM. Part of the 260W Series. Sold individually.
$65.38
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 1/2-260S-U41/2-BRASS is a Standard Threaded Thermowell for 1/4 " Dia Element featuring Brass, 0.26 " Bore Dia, Step Down, 5/8 " Shank Dia, 6 ", 4-1/2 ", 5000 psi, 1/2 " NPSM, and 1/2 " NPT. Part of the 260S Series. Sold individually.
$89.22
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 3/4-260S-U21/2-304SS is a Standard Threaded Thermowell for 1/4 " Dia Element featuring 304 SS, 0.26 " Bore Dia, Straight, 1/2 " Shank Dia, 4 ", 2-1/2 ", 7000 psi, 1/2 " NPSM, and 3/4 " NPT. Part of the 260S Series. Sold individually.
$59.15
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 1/2-260S-U21/2-BRASS is a Standard Threaded Thermowell for 1/4 " Dia Element featuring Brass, 0.26 " Bore Dia, Straight, 1/2 " Shank Dia, 4 ", 2-1/2 ", 5000 psi, 1/2 " NPSM, and 1/2 " NPT. Part of the 260S Series. Sold individually.
$65.83
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 1/2BSP-260S-U101/2-316SS is a Standard Threaded Thermowell for 1/4 " Element featuring 316 SS, 0.26 " Bore Dia, Step Down, 5/8 " Shank Dia, 12 ", 10-1/2 ", 1/2 " NPSM, and 1/2 " BSP. Part of the BSP Series. Sold individually.
$206.27
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 3/4-385S-U41/2-BRASS is a Standard Threaded Thermowell for 3/8 " Dia Element featuring Brass, 0.385 " Bore Dia, Straight, 49/64 " Shank Dia, 6 ", 4-1/2 ", 5000 psi, 1/2 " NPSM, and 3/4 " NPT. Part of the 385S Series. Sold individually.
$63.80
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 3/4-260S-U131/2-304SS is a Standard Threaded Thermowell for 1/4 " Dia Element featuring 304 SS, 0.26 " Bore Dia, Step Down, 3/4 " Shank Dia, 15 ", 13-1/2 ", 7000 psi, 1/2 " NPSM, and 3/4 " NPT. Part of the 260S Series. Sold individually.
$206.70
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 3/4-260W-U71/2-304SS is a Socket Weld Thermowell for 1/4 " Dia Element featuring 304 SS, 3/4 " Pipe Size, 0.26 " Bore Dia, Step Down, 3/4 " Shank Dia, 9 ", 7-1/2 ", 7000 psi, and 1/2 " NPSM. Part of the 260W Series. Sold individually.
$123.89
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 1/2-260S-U41/2-316SS is a Standard Threaded Thermowell for 1/4 " Dia Element featuring 316 SS, 0.26 " Bore Dia, Step Down, 5/8 " Shank Dia, 6 ", 4-1/2 ", 7000 psi, 1/2 " NPSM, and 1/2 " NPT. Part of the 260S Series. Sold individually.
$105.02
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 1/2-260S-U21/2-304SS-F is a Standard Threaded Thermowell for 1/4 " Dia Element featuring Commodity, 304 SS, 0.26 " Bore Dia, Straight, 1/2 " Shank Dia, 4 ", 2-1/2 ", 4120 psi, 1/2 " NPSM, and 1/2 " NPT. Part of the 260-Commodity Series. Sold individually.
$39.99
Should ship between 22 Nov and 25 Nov
Subject to factory lead times
The Dwyer - 3/4-260A-U15/8-304SS is a Limited Space Thermowell for 1/4 " Dia Element featuring 304 SS, 0.26 " Bore Dia, Straight, 1/2 " Shank Dia, 2-1/2 ", 1-5/8 ", 4120 psi, 1/2 " NPSM, and 3/4 " NPT. Part of the 260A Series. Sold individually.
$55.46
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 3/4-260L-U101/2-BRASS is a Standard Threaded Thermowell for 1/4 " Dia Element featuring Brass, 0.26 " Bore Dia, Straight, 3/4 " Shank Dia, 15 ", 10-1/2 ", 5000 psi, 1/2 " NPSM, 3/4 " NPT, and 3 " Lag Extension. Part of the 260L Series. Sold individually.
$164.21
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 1/2-260S-U101/2-316SS is a Standard Threaded Thermowell for 1/4 " Dia Element featuring 316 SS, 0.26 " Bore Dia, Step Down, 5/8 " Shank Dia, 12 ", 10-1/2 ", 7000 psi, 1/2 " NPSM, and 1/2 " NPT. Part of the 260S Series. Sold individually.
$206.27
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 3/4-260L-U71/2-304SS is a Standard Threaded Thermowell for 1/4 " Dia Element featuring 304 SS, 0.26 " Bore Dia, Straight, 3/4 " Shank Dia, 12 ", 7-1/2 ", 7000 psi, 1/2 " NPSM, 3/4 " NPT, and 3 " Lag Extension. Part of the 260L Series. Sold individually.
$143.53
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 1/2-260S-U221/2-304SS is a Standard Threaded Thermowell for 1/4 " Dia Element featuring 304 SS, 0.26 " Bore Dia, Straight, 1/2 " Shank Dia, and 22-1/2 ". Part of the 260S Series. Sold individually.
$368.92
Should ship between 11 Dec and 25 Dec
Subject to factory lead times
The Dwyer - 3/4-260H-U41/2-304SS is a Heavy Duty Threaded Thermowell for 1/4 " Dia Element featuring 304 SS, 0.26 " Bore Dia, Tapered, 7/8 " Shank Dia, 6 ", 4-1/2 ", 7800 psi, 1/2 " NPSM, and 3/4 " NPT. Part of the 260H Series. Sold individually.
$94.82
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 3/4-260W-U41/2-316SS is a Socket Weld Thermowell for 1/4 " Dia Element featuring 316 SS, 3/4 " Pipe Size, 0.26 " Bore Dia, Step Down, 3/4 " Shank Dia, 6 ", 4-1/2 ", 7000 psi, and 1/2 " NPSM. Part of the 260W Series. Sold individually.
$105.24
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 1/2-260S-U101/2-304SS is a Standard Threaded Thermowell for 1/4 " Dia Element featuring 304 SS, 0.26 " Bore Dia, Step Down, 5/8 " Shank Dia, 12 ", 10-1/2 ", 7000 psi, 1/2 " NPSM, and 1/2 " NPT. Part of the 260S Series. Sold individually.
$139.66
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 1/2-260S-U41/2-304SS is a Standard Threaded Thermowell for 1/4 " Dia Element featuring 304 SS, 0.26 " Bore Dia, Step Down, 5/8 " Shank Dia, 6 ", 4-1/2 ", 7000 psi, 1/2 " NPSM, and 1/2 " NPT. Part of the 260S Series. Sold individually.
$76.97
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 3/4-260W-U221/2-316SS is a Socket Weld Thermowell for 1/4 " Dia Element featuring 316 SS, 3/4 " Pipe Size, 0.26 " Bore Dia, Step Down, 3/4 " Shank Dia, 24 ", 22-1/2 ", 7000 psi, and 1/2 " NPSM. Part of the 260W Series. Sold individually.
$417.65
Should ship between 04 Dec and 11 Dec
Subject to factory lead times
The Dwyer - 1/2-260S-U21/2-304SS is a Standard Threaded Thermowell for 1/4 " Dia Element featuring 304 SS, 0.26 " Bore Dia, Straight, 1/2 " Shank Dia, 4 ", 2-1/2 ", 7000 psi, 1/2 " NPSM, and 1/2 " NPT. Part of the 260S Series. Sold individually.
$59.15
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 3/4-260W-U21/2-316SS is a Socket Weld Thermowell for 1/4 " Dia Element featuring 316 SS, 3/4 " Pipe Size, 0.26 " Bore Dia, Straight, 1/2 " Shank Dia, 4 ", 2-1/2 ", 7000 psi, and 1/2 " NPSM. Part of the 260W Series. Sold individually.
$88.00
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 3/4-260S-U101/2-304SS is a Standard Threaded Thermowell for 1/4 " Dia Element featuring 304 SS, 0.26 " Bore Dia, Step Down, 3/4 " Shank Dia, 12 ", 10-1/2 ", 7000 psi, 1/2 " NPSM, and 3/4 " NPT. Part of the 260S Series. Sold individually.
$144.82
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 3/4-260S-U41/2-304SS is a Standard Threaded Thermowell for 1/4 " Dia Element featuring 304 SS, 0.26 " Bore Dia, Step Down, 3/4 " Shank Dia, 6 ", 4-1/2 ", 7000 psi, 1/2 " NPSM, and 3/4 " NPT. Part of the 260S Series. Sold individually.
$76.97
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 3/4-260W-U21/2-304SS is a Socket Weld Thermowell for 1/4 " Dia Element featuring 304 SS, 3/4 " Pipe Size, 0.26 " Bore Dia, Straight, 1/2 " Shank Dia, 4 ", 2-1/2 ", 7000 psi, and 1/2 " NPSM. Part of the 260W Series. Sold individually.
$65.38
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 1/2-260S-U41/2-BRASS is a Standard Threaded Thermowell for 1/4 " Dia Element featuring Brass, 0.26 " Bore Dia, Step Down, 5/8 " Shank Dia, 6 ", 4-1/2 ", 5000 psi, 1/2 " NPSM, and 1/2 " NPT. Part of the 260S Series. Sold individually.
$89.22
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 3/4-260S-U21/2-304SS is a Standard Threaded Thermowell for 1/4 " Dia Element featuring 304 SS, 0.26 " Bore Dia, Straight, 1/2 " Shank Dia, 4 ", 2-1/2 ", 7000 psi, 1/2 " NPSM, and 3/4 " NPT. Part of the 260S Series. Sold individually.
$59.15
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 1/2-260S-U21/2-BRASS is a Standard Threaded Thermowell for 1/4 " Dia Element featuring Brass, 0.26 " Bore Dia, Straight, 1/2 " Shank Dia, 4 ", 2-1/2 ", 5000 psi, 1/2 " NPSM, and 1/2 " NPT. Part of the 260S Series. Sold individually.
$65.83
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 1/2BSP-260S-U101/2-316SS is a Standard Threaded Thermowell for 1/4 " Element featuring 316 SS, 0.26 " Bore Dia, Step Down, 5/8 " Shank Dia, 12 ", 10-1/2 ", 1/2 " NPSM, and 1/2 " BSP. Part of the BSP Series. Sold individually.
$206.27
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 3/4-385S-U41/2-BRASS is a Standard Threaded Thermowell for 3/8 " Dia Element featuring Brass, 0.385 " Bore Dia, Straight, 49/64 " Shank Dia, 6 ", 4-1/2 ", 5000 psi, 1/2 " NPSM, and 3/4 " NPT. Part of the 385S Series. Sold individually.
$63.80
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 3/4-260S-U131/2-304SS is a Standard Threaded Thermowell for 1/4 " Dia Element featuring 304 SS, 0.26 " Bore Dia, Step Down, 3/4 " Shank Dia, 15 ", 13-1/2 ", 7000 psi, 1/2 " NPSM, and 3/4 " NPT. Part of the 260S Series. Sold individually.
$206.70
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 3/4-260W-U71/2-304SS is a Socket Weld Thermowell for 1/4 " Dia Element featuring 304 SS, 3/4 " Pipe Size, 0.26 " Bore Dia, Step Down, 3/4 " Shank Dia, 9 ", 7-1/2 ", 7000 psi, and 1/2 " NPSM. Part of the 260W Series. Sold individually.
$123.89
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 1/2-260S-U41/2-316SS is a Standard Threaded Thermowell for 1/4 " Dia Element featuring 316 SS, 0.26 " Bore Dia, Step Down, 5/8 " Shank Dia, 6 ", 4-1/2 ", 7000 psi, 1/2 " NPSM, and 1/2 " NPT. Part of the 260S Series. Sold individually.
$105.02
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 1/2-260S-U21/2-304SS-F is a Standard Threaded Thermowell for 1/4 " Dia Element featuring Commodity, 304 SS, 0.26 " Bore Dia, Straight, 1/2 " Shank Dia, 4 ", 2-1/2 ", 4120 psi, 1/2 " NPSM, and 1/2 " NPT. Part of the 260-Commodity Series. Sold individually.
$39.99
Should ship between 22 Nov and 25 Nov
Subject to factory lead times
The Dwyer - 3/4-260A-U15/8-304SS is a Limited Space Thermowell for 1/4 " Dia Element featuring 304 SS, 0.26 " Bore Dia, Straight, 1/2 " Shank Dia, 2-1/2 ", 1-5/8 ", 4120 psi, 1/2 " NPSM, and 3/4 " NPT. Part of the 260A Series. Sold individually.
$55.46
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 3/4-260L-U101/2-BRASS is a Standard Threaded Thermowell for 1/4 " Dia Element featuring Brass, 0.26 " Bore Dia, Straight, 3/4 " Shank Dia, 15 ", 10-1/2 ", 5000 psi, 1/2 " NPSM, 3/4 " NPT, and 3 " Lag Extension. Part of the 260L Series. Sold individually.
$164.21
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 1/2-260S-U101/2-316SS is a Standard Threaded Thermowell for 1/4 " Dia Element featuring 316 SS, 0.26 " Bore Dia, Step Down, 5/8 " Shank Dia, 12 ", 10-1/2 ", 7000 psi, 1/2 " NPSM, and 1/2 " NPT. Part of the 260S Series. Sold individually.
$206.27
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 3/4-260L-U71/2-304SS is a Standard Threaded Thermowell for 1/4 " Dia Element featuring 304 SS, 0.26 " Bore Dia, Straight, 3/4 " Shank Dia, 12 ", 7-1/2 ", 7000 psi, 1/2 " NPSM, 3/4 " NPT, and 3 " Lag Extension. Part of the 260L Series. Sold individually.
$143.53
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 1/2-260S-U221/2-304SS is a Standard Threaded Thermowell for 1/4 " Dia Element featuring 304 SS, 0.26 " Bore Dia, Straight, 1/2 " Shank Dia, and 22-1/2 ". Part of the 260S Series. Sold individually.
$368.92
Should ship between 11 Dec and 25 Dec
Subject to factory lead times
The Dwyer - 3/4-260H-U41/2-304SS is a Heavy Duty Threaded Thermowell for 1/4 " Dia Element featuring 304 SS, 0.26 " Bore Dia, Tapered, 7/8 " Shank Dia, 6 ", 4-1/2 ", 7800 psi, 1/2 " NPSM, and 3/4 " NPT. Part of the 260H Series. Sold individually.
$94.82
Should ship between 27 Nov and 04 Dec
Subject to factory lead times
The Dwyer - 3/4-260W-U41/2-316SS is a Socket Weld Thermowell for 1/4 " Dia Element featuring 316 SS, 3/4 " Pipe Size, 0.26 " Bore Dia, Step Down, 3/4 " Shank Dia, 6 ", 4-1/2 ", 7000 psi, and 1/2 " NPSM. Part of the 260W Series. Sold individually.
$105.24
Should ship between 27 Nov and 04 Dec
Subject to factory lead times