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Thermowells & Accessories

Extend the life of your temperature sensors and improve system reliability with our durable thermowells and accessories. Designed to shield thermocouples, RTDs, and other sensors from pressure, flow, and corrosive media, thermowells allow accurate measurement without exposing instruments to harsh process conditions. Our selection includes threaded, flanged, weld-in, and sanitary thermowells, along with mounting hardware and protective accessories to meet your installation needs. Available in multiple materials, lengths, and bore sizes, these products are ideal for chemical processing, power generation, water treatment, food and beverage, and general industrial applications. With rugged construction, easy installation, and trusted-brand performance, our thermowells and accessories provide long-lasting protection, dependable accuracy, and lower maintenance costs in demanding environments.
387 items
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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.

$139.17

Should ship between 11 Jul and 18 Jul

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.

$76.70

Should ship between 11 Jul and 18 Jul

Subject to factory lead times

The Dwyer - SS-14-6CLOSED is a Standard Protection Tube featuring Miniature, 316 SS, Closed Sensing End, 6 " L, 0.25 " OD, and 0.194 ". It is rated for a temperature range of 900 °C (1650 °F). Part of the SS Series. Sold individually.

$17.37

Should ship between 11 Jul and 18 Jul

Subject to factory lead times

The Dwyer - SS-316-6CLOSED is a Standard Protection Tube featuring Miniature, 316 SS, Closed Sensing End, 6 " L, 0.187 " OD, and 0.132 ". It is rated for a temperature range of 900 °C (1650 °F). Part of the SS Series. Sold individually.

$16.45

Should ship between 11 Jul and 18 Jul

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.

$420.64

Should ship between 18 Jul and 25 Jul

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.

$58.94

Should ship between 11 Jul and 18 Jul

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.

$87.69

Should ship between 11 Jul and 18 Jul

Subject to factory lead times

The Dwyer - SS-14-6OPEN is a Standard Protection Tube featuring Miniature, 316 SS, Open Sensing End, 6 " L, 0.25 " OD, and 0.194 ". It is rated for a temperature range of 900 °C (1650 °F). Part of the SS Series. Sold individually.

$13.31

Should ship between 11 Jul and 18 Jul

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.

$144.31

Should ship between 11 Jul and 18 Jul

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.

$76.70

Should ship between 11 Jul and 18 Jul

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.

$65.15

Should ship between 11 Jul and 18 Jul

Subject to factory lead times

The Dwyer - SS-18-6CLOSED is a Standard Protection Tube featuring Miniature, 316 SS, Closed Sensing End, 6 " L, 0.125 " OD, and 0.07 ". It is rated for a temperature range of 900 °C (1650 °F). Part of the SS Series. Sold individually.

$18.99

Should ship between 11 Jul and 18 Jul

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.

$139.17

Should ship between 11 Jul and 18 Jul

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.

$76.70

Should ship between 11 Jul and 18 Jul

Subject to factory lead times

The Dwyer - SS-14-6CLOSED is a Standard Protection Tube featuring Miniature, 316 SS, Closed Sensing End, 6 " L, 0.25 " OD, and 0.194 ". It is rated for a temperature range of 900 °C (1650 °F). Part of the SS Series. Sold individually.

$17.37

Should ship between 11 Jul and 18 Jul

Subject to factory lead times

The Dwyer - SS-316-6CLOSED is a Standard Protection Tube featuring Miniature, 316 SS, Closed Sensing End, 6 " L, 0.187 " OD, and 0.132 ". It is rated for a temperature range of 900 °C (1650 °F). Part of the SS Series. Sold individually.

$16.45

Should ship between 11 Jul and 18 Jul

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.

$420.64

Should ship between 18 Jul and 25 Jul

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.

$58.94

Should ship between 11 Jul and 18 Jul

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.

$87.69

Should ship between 11 Jul and 18 Jul

Subject to factory lead times

The Dwyer - SS-14-6OPEN is a Standard Protection Tube featuring Miniature, 316 SS, Open Sensing End, 6 " L, 0.25 " OD, and 0.194 ". It is rated for a temperature range of 900 °C (1650 °F). Part of the SS Series. Sold individually.

$13.31

Should ship between 11 Jul and 18 Jul

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.

$144.31

Should ship between 11 Jul and 18 Jul

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.

$76.70

Should ship between 11 Jul and 18 Jul

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.

$65.15

Should ship between 11 Jul and 18 Jul

Subject to factory lead times

The Dwyer - SS-18-6CLOSED is a Standard Protection Tube featuring Miniature, 316 SS, Closed Sensing End, 6 " L, 0.125 " OD, and 0.07 ". It is rated for a temperature range of 900 °C (1650 °F). Part of the SS Series. Sold individually.

$18.99

Should ship between 11 Jul and 18 Jul

Subject to factory lead times

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About NISCO Inc.

NISCO offers a wide range of pressure gauges & instruments, diaphragm seals, thermometers, valves, and flow control products to the industrial and commercial marketplaces, as well as other resellers like ourselves. We can also provide other value-added services such as gauge repair, NIST traceable calibration, diaphragm seal assembly, and valve automation. NISCO takes pride in providing extensive product knowledge, helpful customer service, and market competitive pricing to help fit whatever need you may have because it is our goal to be regarded by our customers as the best supplier of pressure, temperature, and flow control products.

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