Industrial Valves

Thermowells

Shop our range of Thermowells at ValveMan, designed to shield temperature sensors from harsh process conditions while allowing easy removal and maintenance. Thermowells extend the life of your sensors and ensure accurate temperature readings in pipelines, tanks, and vessels. Available in a variety of materials, sizes, and process connections to fit your specific application. Need help finding the right one? Reach out and we’ll get it for you.

Shop Thermowells

All Thermowells

30 products
SKU: NSK-50/75/100-1/2-in-NPT-1/2-in-NPSM
2-1/2" – 12" Available
NOSHOK 50/75/100 Series Temperature Thermowells, 1/2" NPT, 1/2" National Pipe Straight Mechanical (NPSM) Instrument Connection
Starting at $39.99
Browse Product
SKU: 50-025-304-SS
2-1/2"
2-1/2" NOSHOK 50/75/100 Series Temperature Thermowells, 50-025-304-SS, 1/2" NPT Straight Shank, 1/2" NPSM Instrument Connection, 304 Stainless Steel
$47.04$29.99
SKU: 50-025-316-SS-RTD
2-1/2"
2-1/2" NOSHOK 50/75/100 Series Temperature Thermowells, 50-025-316-SS-RTD, 1/2" NPT Stepped Shank, 1/2" NPSM Instrument Connection, 316 Stainless Steel, Resistance Temperature Device (RTD) Stem Length Specific
$55.33$34.99
SKU: 50-040-304-SS
4"
4" NOSHOK 50/75/100 Series Temperature Thermowells, 50-040-304-SS, 1/2" NPT Straight Shank, 1/2" NPSM Instrument Connection, 304 Stainless Steel
$69.78$43.99
SKU: 50-025-316-SS
2-1/2"
2-1/2" NOSHOK 50/75/100 Series Temperature Thermowells, 50-025-316-SS, 1/2" NPT Straight Shank, 1/2" NPSM Instrument Connection, 316 Stainless Steel
$55.33$34.99
SKU: 50-025-BRASS
2-1/2"
2-1/2" NOSHOK 50/75/100 Series Temperature Thermowells, 50-025-BRASS, 1/2" NPT Straight Shank, 1/2" NPSM Instrument Connection, Brass
$44.19$27.99
SKU: 50-060-316-SS
6"
6" NOSHOK 50/75/100 Series Temperature Thermowells, 50-060-316-SS, 1/2" NPT Stepped Shank, 1/2" NPSM Instrument Connection, 316 Stainless Steel
$94.10$58.99
SKU: 50-040-BRASS
4"
4" NOSHOK 50/75/100 Series Temperature Thermowells, 50-040-BRASS, 1/2" NPT Straight Shank, 1/2" NPSM Instrument Connection, Brass
$55.24$34.99
SKU: 50-060-304-SS
6"
6" NOSHOK 50/75/100 Series Temperature Thermowells, 50-060-304-SS, 1/2" NPT Stepped Shank, 1/2" NPSM Instrument Connection, 304 Stainless Steel
$85.45$53.99
SKU: 50-120-304-SS
12"
12" NOSHOK 50/75/100 Series Temperature Thermowells, 50-120-304-SS, 1/2" NPT Stepped Shank, 1/2" NPSM Instrument Connection, 304 Stainless Steel
$238.82$149.99
SKU: 50-090-304-SS
9"
9" NOSHOK 50/75/100 Series Temperature Thermowells, 50-090-304-SS, 1/2" NPT Stepped Shank, 1/2" NPSM Instrument Connection, 304 Stainless Steel
$143.42$89.99
SKU: NSK-50/75/100-1/2-in-NPT-3/4-in-NPSM
2-1/2" – 12" Available
NOSHOK 50/75/100 Series Temperature Thermowells, 3/4" NPT, 1/2" National Pipe Straight Mechanical (NPSM) Instrument Connection
Starting at $54.99
Browse Product
SKU: 75-025-316-SS
2-1/2"
2-1/2" NOSHOK 50/75/100 Series Temperature Thermowells, 75-025-316-SS, 3/4" NPT Straight Shank, 1/2" NPSM Instrument Connection, 316 Stainless Steel Thermowell
$75.24$46.99
SKU: 75-025-BRASS
2-1/2"
2-1/2" NOSHOK 50/75/100 Series Temperature Thermowells, 75-025-BRASS, 3/4" NPT Straight Shank, 1/2" NPSM Instrument Connection, Brass Thermowell
$58.94$36.99
SKU: 50-120-316-SS
12"
12" NOSHOK 50/75/100 Series Temperature Thermowells, 50-120-316-SS, 1/2" NPT Stepped Shank, 1/2" NPSM Instrument Connection, 316 Stainless Steel
$284.46$177.99
SKU: 75-025-304-SS
2-1/2"
2-1/2" NOSHOK 50/75/100 Series Temperature Thermowells, 75-025-304-SS, 3/4" NPT Straight Shank, 1/2" NPSM Instrument Connection, 304 Stainless Steel Thermowell
$65.70$40.99
SKU: 75-040-304-SS
4"
4" NOSHOK 50/75/100 Series Temperature Thermowells, 75-040-304-SS, 3/4" NPT Straight Shank, 1/2" NPSM Instrument Connection, 304 Stainless Steel Thermowell
$72.35$45.99
SKU: 75-040-316-SS
4"
4" NOSHOK 50/75/100 Series Temperature Thermowells, 75-040-316-SS, 3/4" NPT Straight Shank, 1/2" NPSM Instrument Connection, 316 Stainless Steel Thermowell
$81.62$50.99
SKU: 75-040-BRASS
4"
4" NOSHOK 50/75/100 Series Temperature Thermowells, 75-040-BRASS, 3/4" NPT Straight Shank, 1/2" NPSM Instrument Connection, Brass Thermowell
$59.72$37.99
SKU: 75-060-304-SS
6"
6" NOSHOK 50/75/100 Series Temperature Thermowells, 75-060-304-SS, 3/4" NPT Stepped Shank, 1/2" NPSM Instrument Connection, 304 Stainless Steel Thermowell
$95.86$59.99
SKU: 75-060-316-SS
6"
6" NOSHOK 50/75/100 Series Temperature Thermowells, 75-060-316-SS, 3/4" NPT Stepped Shank, 1/2" NPSM Instrument Connection, 316 Stainless Steel Thermowell
$108.03$67.99
SKU: 75-060-BRASS
6"
6" NOSHOK 50/75/100 Series Temperature Thermowells, 75-060-BRASS, 3/4" NPT Stepped Shank, 1/2" NPSM Instrument Connection, Brass Thermowell
$89.32$55.99
SKU: 75-090-BRASS
9"
9" NOSHOK 50/75/100 Series Temperature Thermowells, 75-090-BRASS, 3/4" NPT Stepped Shank, 1/2" NPSM Instrument Connection, Brass Thermowell
$269.90$168.99
SKU: 75-090-304-SS
9"
9" NOSHOK 50/75/100 Series Temperature Thermowells, 75-090-304-SS, 3/4" NPT Stepped Shank, 1/2" NPSM Instrument Connection, 304 Stainless Steel Thermowell
$142.98$89.99
30+
Products Available
All 50
States Served
Net 30
Terms Available
60 Years
Valve Expertise

Why Buy Thermowells From ValveMan?

Authorized Distributor Since 1965
We are an authorized distributor — not a grey market reseller. Every Thermowells product ships new, with the documentation your purchasing department needs — and whatever warranty the manufacturer offers is passed through to you in full.
Expedited Options + Net 30 Terms
In a hurry? Call 888-825-8800 — depending on the item we may be able to expedite your order, and we'll tell you what's realistic. Qualified buyers can apply for Net 30 terms — ideal for MRO, OEM, and project purchasing.
Technical Support from Valve Experts
Our team has 60+ years of valve product knowledge. Call 888-825-8800 or start a chat — we'll help you select the right Thermowells product for your application, pressure class, and end connection.
Need a volume quote or custom order?
Our B2B team responds within 2 hours on business days. Exton, PA — Trusted Since 1965.
888-825-8800