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Thermowells for Industrial Applications

ThermowellsOnline.com is your one-stop shop for all of your industrial thermowell requirements. USA owned and operated, all thermowells supplied by ThermowellsOnline.com are manufactured to all required industry and customer requirements.

Founded by a team of experienced professionals, our goal is to provide thermowells to customers quickly and at cost-effective prices. Our customers can choose to order online directly from our inventory of standard thermowells, or to work directly with one of our knowledgeable staff members who will be happy to assist you with any custom thermowell requirements.

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NOTE: We sell internationally!

Our Products

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.260" Bore Thermowells for Bimetals & RTDs

Designed for Bimetal Dial Thermometers, RTDs or any application suitable for a .260" bore. Available in Brass, Lead-Free Brass, 304 Stainless Steel or 316L Stainless Steel materials standard. Standard threads are 1/2" FNPSM x 1/2" NPT, 3/4" NPT, 1.5" Sanitary or 2" Sanitary connections are standard. 
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Tapered Bore Industrial Thermowells

Designed to fit industry standard 7" and 9" industrial thermometers with tapered stems. Available in Brass, Lead-Free Brass, 304 Stainless Steel and 316 Stainless Steel materials are standard.  Female threads are 1-1/4" UNF with 1/2" NPT or 3/4" NPT process connections. Available with or without lagging extension.

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Sanitary Thermowells

Available in 1.5" or 2" Tri-Clamp® Sanitary process connection with .260" bore and  1/2" FNPSM instrument connection. Manufactured from all 316L Stainless Steel.

Tri-Clamp is a registered trademark of Ladish Co. 
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Custom Order Thermowells

ThermowellsOnline.com can provide flanged, Van Stone, weld-in and many proprietary customer designs upon request. ThermowellsOnline.com welcomes inquiries for all special thermowell requirements.

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